The document discusses the TREK experiment at J-PARC, which aims to search for violations of time reversal symmetry and test lepton universality by measuring the transverse muon polarization in stopped kaon decays. It will use the K1.1BR beamline at J-PARC, which has been commissioned, to achieve a sensitivity of 10-4 for the transverse muon polarization. This would allow the experiment to probe several theories of physics beyond the Standard Model and place stringent constraints on parameters in models like the 3-Higgs Doublet Model. The document provides background on the J-PARC facility and hadron hall, and gives details on the TREK experimental apparatus and expected sensitivity.
The document discusses the TREK experiment at J-PARC, which aims to search for violations of time reversal symmetry and test lepton universality by measuring the transverse muon polarization in stopped K+ decays with a sensitivity of 10-4. It provides details on the TREK experimental apparatus, including upgrades to the detector such as a new fiber target and GEM tracking, as well as the expected sensitivity and potential to discover new physics beyond the standard model. The collaboration involves researchers from Japan, Canada, the US, Russia, and Vietnam working together on the TREK program at J-PARC.
The document summarizes the TREK experiment at J-PARC, which aims to search for physics beyond the Standard Model by measuring the transverse muon polarization (PT) in stopped K+ decays. The TREK experiment plans to use an upgraded detector from the E246 experiment along with a new fiber target and GEM tracking chambers. It expects to achieve sensitivity to PT at the 10-4 level, allowing it to probe several theories of new physics. It will take data at the K1.1BR beamline at J-PARC, which has been commissioned for stopped kaon experiments and can provide the necessary 270 kW beam power for TREK's measurements when operating at full capacity in 2014.
The document summarizes potential discoveries at the LHC beyond the Standard Model. It discusses:
1) Searches for new constituents like excited neutrinos that may appear as single particles produced via Z, W, or gamma decays.
2) Searches for new quark singlets with charges of -1/3 that could be discovered if pair produced and decaying to bosons and jets.
3) Searches for new up-type quark doublets that could be discovered if pair produced and decaying to W bosons and jets. The document outlines possible mass ranges and luminosities needed for discovery.
4) It notes how new quark discoveries could enhance the search for the Higgs boson
The document provides an update on CMS's search for the standard model Higgs boson. It discusses searches in both the high mass region above 200 GeV and the low mass region below 135 GeV. Eight analyses are presented using different Higgs decay modes and up to 5.2 fb-1 of data collected by CMS at the LHC. The analyses explore the full mass range for the SM Higgs and improved exclusion limits are expected from combining all the channels. Detailed results are shown for some of the high mass analyses in the H→ZZ→2l2ν, H→ZZ→2l2q, and H→ZZ→2l2τ decay modes.
Influence of Trapping on the Recombination Dynamics in Disordered Organic Sem...disorderedmatter
This document summarizes research on the influence of trapping on recombination dynamics in disordered organic semiconductors. Photo-CELIV measurements on annealed P3HT:PCBM blends show that recombination follows reduced Langevin behavior with an order greater than 2, indicating the influence of traps. Analysis fitting the continuity equation to the experimental data supports reduced Langevin recombination over monomolecular or standard Langevin models. The high recombination order is attributed to the influence of trapping on recombination dynamics in these materials.
This document presents an algorithm called Fractional Fourier Transform (FXT) to remove spectral leakage caused by non-coherent sampling of sinewaves. The algorithm works by "twisting" the time/frequency space to accommodate fractional periods. It was shown through simulations and ADC testing to automatically correct for frequency drift, maintain spectral resolution, and conserve SNR. The FXT algorithm allows using non-coherent oscillators for testing applications like ADC or waveform recorders.
The document discusses the TREK experiment at J-PARC, which aims to search for violations of time reversal symmetry and test lepton universality by measuring the transverse muon polarization in stopped K+ decays with a sensitivity of 10-4. It provides details on the TREK experimental apparatus, including upgrades to the detector such as a new fiber target and GEM tracking, as well as the expected sensitivity and potential to discover new physics beyond the standard model. The collaboration involves researchers from Japan, Canada, the US, Russia, and Vietnam working together on the TREK program at J-PARC.
The document summarizes the TREK experiment at J-PARC, which aims to search for physics beyond the Standard Model by measuring the transverse muon polarization (PT) in stopped K+ decays. The TREK experiment plans to use an upgraded detector from the E246 experiment along with a new fiber target and GEM tracking chambers. It expects to achieve sensitivity to PT at the 10-4 level, allowing it to probe several theories of new physics. It will take data at the K1.1BR beamline at J-PARC, which has been commissioned for stopped kaon experiments and can provide the necessary 270 kW beam power for TREK's measurements when operating at full capacity in 2014.
The document summarizes potential discoveries at the LHC beyond the Standard Model. It discusses:
1) Searches for new constituents like excited neutrinos that may appear as single particles produced via Z, W, or gamma decays.
2) Searches for new quark singlets with charges of -1/3 that could be discovered if pair produced and decaying to bosons and jets.
3) Searches for new up-type quark doublets that could be discovered if pair produced and decaying to W bosons and jets. The document outlines possible mass ranges and luminosities needed for discovery.
4) It notes how new quark discoveries could enhance the search for the Higgs boson
The document provides an update on CMS's search for the standard model Higgs boson. It discusses searches in both the high mass region above 200 GeV and the low mass region below 135 GeV. Eight analyses are presented using different Higgs decay modes and up to 5.2 fb-1 of data collected by CMS at the LHC. The analyses explore the full mass range for the SM Higgs and improved exclusion limits are expected from combining all the channels. Detailed results are shown for some of the high mass analyses in the H→ZZ→2l2ν, H→ZZ→2l2q, and H→ZZ→2l2τ decay modes.
Influence of Trapping on the Recombination Dynamics in Disordered Organic Sem...disorderedmatter
This document summarizes research on the influence of trapping on recombination dynamics in disordered organic semiconductors. Photo-CELIV measurements on annealed P3HT:PCBM blends show that recombination follows reduced Langevin behavior with an order greater than 2, indicating the influence of traps. Analysis fitting the continuity equation to the experimental data supports reduced Langevin recombination over monomolecular or standard Langevin models. The high recombination order is attributed to the influence of trapping on recombination dynamics in these materials.
This document presents an algorithm called Fractional Fourier Transform (FXT) to remove spectral leakage caused by non-coherent sampling of sinewaves. The algorithm works by "twisting" the time/frequency space to accommodate fractional periods. It was shown through simulations and ADC testing to automatically correct for frequency drift, maintain spectral resolution, and conserve SNR. The FXT algorithm allows using non-coherent oscillators for testing applications like ADC or waveform recorders.
This document discusses techniques for pulse shaping to reduce inter-symbol interference (ISI) in digital communication systems. It introduces the Nyquist criteria that pulse shapes must satisfy to avoid ISI, including having zero crossings at symbol intervals, zero areas within symbol periods, and zero values at decision thresholds. Methods like raised cosine filtering are presented that trade off bandwidth for smoothness to meet the Nyquist criteria. The document also discusses partial response signaling techniques like duobinary that relax the criteria but require differential encoding to avoid error propagation.
Asymptotics for discrete random measuresJulyan Arbel
This document provides an introduction to asymptotics for discrete random measures, specifically the Dirichlet process and two-parameter Poisson-Dirichlet process. It discusses several key aspects in 3 sentences or less:
1) It outlines the stick-breaking construction of the two-parameter Poisson-Dirichlet process and defines related notation. 2) It introduces the truncation error Rn and discusses how its asymptotic behavior differs between the Dirichlet and two-parameter Poisson-Dirichlet cases. 3) It briefly describes some applications of these processes in mixture modeling and summarizes different sampling approaches like blocked Gibbs and slice sampling that rely on truncation of the infinite-dimensional distributions.
Analysis of SST images by Weighted Ensemble Transform Kalman Filter1.pdfgrssieee
The document discusses data assimilation techniques to estimate the state of a dynamical system given observations. It presents the Kalman filter, ensemble Kalman filter (EnKF), and particle filter approaches. The weighted ensemble transform Kalman filter (WETKF) is a hybrid particle-EnKF filter that uses the EnKF as a proposal distribution within the particle filter framework. It applies the WETKF to assimilate oceanic images of sea surface temperature to estimate vorticity and currents. Results show the WETKF achieves lower error than the EnKF alone.
Nanoscience seminar Grenoble March 2012hankeijzers
The document describes experiments on vibrating suspended carbon nanotube Josephson junctions. Key findings include:
1) Measuring the junction current as a function of microwave frequency showed peaks when the frequency matched the mechanical resonance frequency of the nanotube, indicating coupling between the Josephson dynamics and nanotube vibration.
2) The coupling was strongest when the system was in the superconducting state and disappeared when superconductivity was quenched, providing evidence it involves the Josephson effect.
3) Analysis of the mixing signal amplitude versus dc bias current allowed extracting the amplitude of an ac Josephson mixing current driving the nanotube vibration.
Awg waveform compensation by maximum entropy methodFangXuIEEE
This document discusses using maximum entropy methods for waveform compensation to overcome limitations in instrument bandwidth. It presents the problem of distorted waveforms due to limited bandwidth and describes using pre-distortion to cancel out the effects of linear distortion. It introduces the maximum entropy method as an algorithm for selecting the best pre-distortion solution from the set of acceptable solutions that minimize the difference between the emulated and target waveforms. The maximum entropy method aims to find a unique solution by maximizing the entropy of the system. Application of this technique is shown to improve rise time and setting time performance beyond the original instrument specifications.
Using potential field data and stochastic optimisation to refine 3D geologica...Richard Lane
This document summarizes a method for using potential field data and stochastic optimization to refine 3D geological models. [1] It demonstrates tools for gravity and magnetic modeling that incorporate forward modeling, property optimization, and geometry optimization. [2] A synthetic example and field example are provided to test the method. [3] The goal is to recover buried geological structures from potential field data by iteratively optimizing the geometry and properties of 3D geological models.
This document discusses correlative-level coding and its applications in baseband pulse transmission systems. Correlative-level coding introduces controlled intersymbol interference to increase signaling rate. It allows partial response signaling and maximum likelihood detection at the receiver. Specific techniques discussed include duobinary signaling and modified duobinary signaling. The document also covers tapped-delay line equalization using adaptive algorithms like least mean square to compensate for channel distortion. Decision feedback equalization and its implementation are summarized as well. Eye patterns are described as a tool to evaluate signal quality in such systems.
Spectroscopic ellipsometry is a technique for investigating the optical properties and electrodynamics of materials. It has several advantages over other optical techniques:
1) It provides an exact numerical inversion with no need for Kramers-Kronig transformations, allowing consistency checks.
2) Measurements are non-invasive and highly reproducible as they do not require reference samples.
3) It is very sensitive to thin film properties due to its ability to measure at oblique angles of incidence.
Ellipsometry has been used to study phenomena like superconductivity in cuprates and pnictides by measuring changes in spectral weight, and collective charge ordering in oxide superlattices.
Enhancing the working temperature span and refrigerant capacity of two-phase...Universidad de Oviedo
The document discusses enhancing the working temperature span and refrigerant capacity of two-phase composite systems based on amorphous FeZrBCu ribbons. It first introduces the magnetocaloric effect and improving the relative cooling power through composite compounds. It then presents results on the magnetocaloric properties of FeZrBCu amorphous alloys, including their tunable Curie temperatures and large magnetic entropy changes. The advantages of using these alloys in two-phase composite systems are discussed.
This document summarizes key concepts from the first chapter of thermodynamics, including:
1. It defines internal energy and introduces the first law of thermodynamics which states that the change in internal energy of a system equals the heat transferred plus work done.
2. It describes different types of work (isochoric, isobaric, isothermal, adiabatic) and heat transfer processes and how they relate to changes in internal energy, temperature, and pressure.
3. It shows that work and heat are not state functions while internal energy, enthalpy, and entropy are state functions. This has implications for calculating work and heat transfer in thermodynamic processes.
This document summarizes and compares different distances that can be used in generative adversarial networks (GANs). It introduces the Wasserstein distance, also known as the Earth Mover (EM) distance or Wasserstein-1 distance. The document shows that the Wasserstein distance is more meaningful than other distances like total variation, Kullback-Leibler divergence, and Jensen-Shannon divergence when the real and generated distributions start to differ but their support still overlap. It also demonstrates that training GANs with the Wasserstein distance provides improved stability during training compared to other distances. Several theorems and examples are provided to illustrate properties of the Wasserstein distance such as Lipschitz continuity.
This document discusses calibration of the SMOS (Soil Moisture and Ocean Salinity) Earth Explorer mission. SMOS uses an interferometric radiometer called MIRAS to measure brightness temperatures. MIRAS requires comprehensive calibration to correct for measurement errors. The calibration scheme involves internal noise injection, external sky views by a reference radiometer, and ground characterization. The goal is to parameterize errors, measure coefficients, extract errors through calibration, and assess residuals to iteratively refine the error model.
Pore-scale direct simulation of flow and transport in porous mediasreejithpk78
The document summarizes a PhD thesis defense presentation on pore-scale direct numerical simulation of flow and transport in porous media. The presentation covers developing pore-scale models using an unfitted discontinuous Galerkin method to simulate single-phase flow and solute transport through porous media. It also discusses using the results to determine macroscopic parameters like permeability and dispersion coefficients to improve understanding of how pore structure influences flow and transport behavior.
This document provides biographical and career information about Sébastien Bianchin. It includes details about his education, research activities, skills, publications, and contact information. Some key points:
- Sébastien Bianchin is a postdoctoral fellow at GSI Darmstadt working on the HypHI project.
- He received a PhD in Nuclear Physics from Louis Pasteur University, Strasbourg in 2007.
- His research focuses on experimental and analysis work for the HypHI project, including designing detectors and analyzing data.
- He is skilled in programming, data analysis, and speaks French, English, and German.
China is located in East Asia, bordering the East China Sea, Korea Bay, Yellow Sea, and South China Sea, between North Korea and Vietnam. Its capital and largest city is Beijing. With over 1.3 billion people, China has the world's largest population. It has a diverse landscape, with deserts, mountains, rainforests, and grasslands. Politically, China is a single-party socialist republic led by the Communist Party of China. It has a growing economy but also faces issues like income inequality and environmental degradation. Key business opportunities for foreign investment include real estate, energy, IT, tourism, and manufacturing.
This document provides a PESTLE analysis of China. It outlines that China has a population of over 1.3 billion people and its capital is Beijing. Politically, China is a single-party communist state led by the Communist Party of China. Economically, China has a GDP of $11.3 trillion and GDP growth of 9.5%, with exports of $1.58 trillion and imports of $1.32 trillion. Socially, China has a diverse population with major religions including Buddhism, Taoism, and Chinese folk religions. Environmentally, China relies heavily on coal which causes issues like acid rain and water shortages.
China has a population of over 1.3 billion people and a GDP of $11.3 trillion, making it the world's second largest economy. It has a single-party communist political system led by the Communist Party of China. China has experienced rapid economic growth with a GDP growth rate of 9.5% and has become a manufacturing powerhouse, but relies heavily on coal which contributes to environmental problems like acid rain and water shortages. Technological development is also increasing with China having the world's largest number of internet users and supercomputers.
This document provides an overview of international business concepts including:
1. Definitions of international business and the process of internationalization from domestic to global levels.
2. Key drivers of globalization including costs, technology, government policies, and competition.
3. Common approaches to international business such as ethnocentric, regiocentric, geocentric, and polycentric orientations.
4. Important theories of international trade including absolute advantage, comparative advantage, and the Heckscher-Ohlin theory.
This document summarizes a presentation given by Sébastien Bianchin on behalf of the TREK-E06 Collaboration at the PANIC 2011 conference. The presentation discusses the TREK experiment located at the J-PARC facility in Japan. The goal of the TREK experiment is to search for non-standard model physics by measuring the transverse muon polarization in stopped kaon decays with improved sensitivity over a previous experiment. The presentation provides details on the TREK collaboration, experimental apparatus upgrades planned to achieve greater sensitivity, expected physics reach for new physics models, and status and timeline of the experiment.
The document discusses the TREK experiment at J-PARC, which aims to search for non-standard model physics using the transverse muon polarization in stopped K+ decay. It outlines the TREK program, including a search for time reversal symmetry violation and tests of lepton universality. It describes the TREK apparatus and planned upgrades, including a new active polarimeter and fibre target, which would allow the experiment to achieve sensitivity to transverse muon polarization at the 10-4 level by 2014.
This document discusses techniques for pulse shaping to reduce inter-symbol interference (ISI) in digital communication systems. It introduces the Nyquist criteria that pulse shapes must satisfy to avoid ISI, including having zero crossings at symbol intervals, zero areas within symbol periods, and zero values at decision thresholds. Methods like raised cosine filtering are presented that trade off bandwidth for smoothness to meet the Nyquist criteria. The document also discusses partial response signaling techniques like duobinary that relax the criteria but require differential encoding to avoid error propagation.
Asymptotics for discrete random measuresJulyan Arbel
This document provides an introduction to asymptotics for discrete random measures, specifically the Dirichlet process and two-parameter Poisson-Dirichlet process. It discusses several key aspects in 3 sentences or less:
1) It outlines the stick-breaking construction of the two-parameter Poisson-Dirichlet process and defines related notation. 2) It introduces the truncation error Rn and discusses how its asymptotic behavior differs between the Dirichlet and two-parameter Poisson-Dirichlet cases. 3) It briefly describes some applications of these processes in mixture modeling and summarizes different sampling approaches like blocked Gibbs and slice sampling that rely on truncation of the infinite-dimensional distributions.
Analysis of SST images by Weighted Ensemble Transform Kalman Filter1.pdfgrssieee
The document discusses data assimilation techniques to estimate the state of a dynamical system given observations. It presents the Kalman filter, ensemble Kalman filter (EnKF), and particle filter approaches. The weighted ensemble transform Kalman filter (WETKF) is a hybrid particle-EnKF filter that uses the EnKF as a proposal distribution within the particle filter framework. It applies the WETKF to assimilate oceanic images of sea surface temperature to estimate vorticity and currents. Results show the WETKF achieves lower error than the EnKF alone.
Nanoscience seminar Grenoble March 2012hankeijzers
The document describes experiments on vibrating suspended carbon nanotube Josephson junctions. Key findings include:
1) Measuring the junction current as a function of microwave frequency showed peaks when the frequency matched the mechanical resonance frequency of the nanotube, indicating coupling between the Josephson dynamics and nanotube vibration.
2) The coupling was strongest when the system was in the superconducting state and disappeared when superconductivity was quenched, providing evidence it involves the Josephson effect.
3) Analysis of the mixing signal amplitude versus dc bias current allowed extracting the amplitude of an ac Josephson mixing current driving the nanotube vibration.
Awg waveform compensation by maximum entropy methodFangXuIEEE
This document discusses using maximum entropy methods for waveform compensation to overcome limitations in instrument bandwidth. It presents the problem of distorted waveforms due to limited bandwidth and describes using pre-distortion to cancel out the effects of linear distortion. It introduces the maximum entropy method as an algorithm for selecting the best pre-distortion solution from the set of acceptable solutions that minimize the difference between the emulated and target waveforms. The maximum entropy method aims to find a unique solution by maximizing the entropy of the system. Application of this technique is shown to improve rise time and setting time performance beyond the original instrument specifications.
Using potential field data and stochastic optimisation to refine 3D geologica...Richard Lane
This document summarizes a method for using potential field data and stochastic optimization to refine 3D geological models. [1] It demonstrates tools for gravity and magnetic modeling that incorporate forward modeling, property optimization, and geometry optimization. [2] A synthetic example and field example are provided to test the method. [3] The goal is to recover buried geological structures from potential field data by iteratively optimizing the geometry and properties of 3D geological models.
This document discusses correlative-level coding and its applications in baseband pulse transmission systems. Correlative-level coding introduces controlled intersymbol interference to increase signaling rate. It allows partial response signaling and maximum likelihood detection at the receiver. Specific techniques discussed include duobinary signaling and modified duobinary signaling. The document also covers tapped-delay line equalization using adaptive algorithms like least mean square to compensate for channel distortion. Decision feedback equalization and its implementation are summarized as well. Eye patterns are described as a tool to evaluate signal quality in such systems.
Spectroscopic ellipsometry is a technique for investigating the optical properties and electrodynamics of materials. It has several advantages over other optical techniques:
1) It provides an exact numerical inversion with no need for Kramers-Kronig transformations, allowing consistency checks.
2) Measurements are non-invasive and highly reproducible as they do not require reference samples.
3) It is very sensitive to thin film properties due to its ability to measure at oblique angles of incidence.
Ellipsometry has been used to study phenomena like superconductivity in cuprates and pnictides by measuring changes in spectral weight, and collective charge ordering in oxide superlattices.
Enhancing the working temperature span and refrigerant capacity of two-phase...Universidad de Oviedo
The document discusses enhancing the working temperature span and refrigerant capacity of two-phase composite systems based on amorphous FeZrBCu ribbons. It first introduces the magnetocaloric effect and improving the relative cooling power through composite compounds. It then presents results on the magnetocaloric properties of FeZrBCu amorphous alloys, including their tunable Curie temperatures and large magnetic entropy changes. The advantages of using these alloys in two-phase composite systems are discussed.
This document summarizes key concepts from the first chapter of thermodynamics, including:
1. It defines internal energy and introduces the first law of thermodynamics which states that the change in internal energy of a system equals the heat transferred plus work done.
2. It describes different types of work (isochoric, isobaric, isothermal, adiabatic) and heat transfer processes and how they relate to changes in internal energy, temperature, and pressure.
3. It shows that work and heat are not state functions while internal energy, enthalpy, and entropy are state functions. This has implications for calculating work and heat transfer in thermodynamic processes.
This document summarizes and compares different distances that can be used in generative adversarial networks (GANs). It introduces the Wasserstein distance, also known as the Earth Mover (EM) distance or Wasserstein-1 distance. The document shows that the Wasserstein distance is more meaningful than other distances like total variation, Kullback-Leibler divergence, and Jensen-Shannon divergence when the real and generated distributions start to differ but their support still overlap. It also demonstrates that training GANs with the Wasserstein distance provides improved stability during training compared to other distances. Several theorems and examples are provided to illustrate properties of the Wasserstein distance such as Lipschitz continuity.
This document discusses calibration of the SMOS (Soil Moisture and Ocean Salinity) Earth Explorer mission. SMOS uses an interferometric radiometer called MIRAS to measure brightness temperatures. MIRAS requires comprehensive calibration to correct for measurement errors. The calibration scheme involves internal noise injection, external sky views by a reference radiometer, and ground characterization. The goal is to parameterize errors, measure coefficients, extract errors through calibration, and assess residuals to iteratively refine the error model.
Pore-scale direct simulation of flow and transport in porous mediasreejithpk78
The document summarizes a PhD thesis defense presentation on pore-scale direct numerical simulation of flow and transport in porous media. The presentation covers developing pore-scale models using an unfitted discontinuous Galerkin method to simulate single-phase flow and solute transport through porous media. It also discusses using the results to determine macroscopic parameters like permeability and dispersion coefficients to improve understanding of how pore structure influences flow and transport behavior.
This document provides biographical and career information about Sébastien Bianchin. It includes details about his education, research activities, skills, publications, and contact information. Some key points:
- Sébastien Bianchin is a postdoctoral fellow at GSI Darmstadt working on the HypHI project.
- He received a PhD in Nuclear Physics from Louis Pasteur University, Strasbourg in 2007.
- His research focuses on experimental and analysis work for the HypHI project, including designing detectors and analyzing data.
- He is skilled in programming, data analysis, and speaks French, English, and German.
China is located in East Asia, bordering the East China Sea, Korea Bay, Yellow Sea, and South China Sea, between North Korea and Vietnam. Its capital and largest city is Beijing. With over 1.3 billion people, China has the world's largest population. It has a diverse landscape, with deserts, mountains, rainforests, and grasslands. Politically, China is a single-party socialist republic led by the Communist Party of China. It has a growing economy but also faces issues like income inequality and environmental degradation. Key business opportunities for foreign investment include real estate, energy, IT, tourism, and manufacturing.
This document provides a PESTLE analysis of China. It outlines that China has a population of over 1.3 billion people and its capital is Beijing. Politically, China is a single-party communist state led by the Communist Party of China. Economically, China has a GDP of $11.3 trillion and GDP growth of 9.5%, with exports of $1.58 trillion and imports of $1.32 trillion. Socially, China has a diverse population with major religions including Buddhism, Taoism, and Chinese folk religions. Environmentally, China relies heavily on coal which causes issues like acid rain and water shortages.
China has a population of over 1.3 billion people and a GDP of $11.3 trillion, making it the world's second largest economy. It has a single-party communist political system led by the Communist Party of China. China has experienced rapid economic growth with a GDP growth rate of 9.5% and has become a manufacturing powerhouse, but relies heavily on coal which contributes to environmental problems like acid rain and water shortages. Technological development is also increasing with China having the world's largest number of internet users and supercomputers.
This document provides an overview of international business concepts including:
1. Definitions of international business and the process of internationalization from domestic to global levels.
2. Key drivers of globalization including costs, technology, government policies, and competition.
3. Common approaches to international business such as ethnocentric, regiocentric, geocentric, and polycentric orientations.
4. Important theories of international trade including absolute advantage, comparative advantage, and the Heckscher-Ohlin theory.
This document summarizes a presentation given by Sébastien Bianchin on behalf of the TREK-E06 Collaboration at the PANIC 2011 conference. The presentation discusses the TREK experiment located at the J-PARC facility in Japan. The goal of the TREK experiment is to search for non-standard model physics by measuring the transverse muon polarization in stopped kaon decays with improved sensitivity over a previous experiment. The presentation provides details on the TREK collaboration, experimental apparatus upgrades planned to achieve greater sensitivity, expected physics reach for new physics models, and status and timeline of the experiment.
The document discusses the TREK experiment at J-PARC, which aims to search for non-standard model physics using the transverse muon polarization in stopped K+ decay. It outlines the TREK program, including a search for time reversal symmetry violation and tests of lepton universality. It describes the TREK apparatus and planned upgrades, including a new active polarimeter and fibre target, which would allow the experiment to achieve sensitivity to transverse muon polarization at the 10-4 level by 2014.
This document summarizes the EXO (Enriched Xenon Observatory) experiment which aims to search for neutrinoless double beta decay in 136Xe. It describes the EXO-200 detector which contains 200kg of xenon enriched to 80% 136Xe. The detector measures both ionization and scintillation signals to achieve high energy resolution. The document discusses the goals of EXO-200 to search for 0νββ decay, measure the 2νββ half-life, and understand operating a large liquid xenon detector. It also describes plans to identify barium daughters from double beta decays using laser spectroscopy to achieve a background-free experiment.
The document discusses modeling of helium line formation in solar prominences using radiative transfer modeling. It describes how the models account for the prominence-corona transition region and influence of radial plasma motions on line profiles and intensities. The modeling helps interpret observations from instruments like SOHO, Hinode, STEREO, and SDO to better understand the thermal structure and magnetic fields of prominences.
The document summarizes the heavy-ion physics program using the Large Hadron Collider (LHC) detectors. It discusses probing novel regimes of high density saturated gluon distributions and qualitatively new physics. Key observables include jet quenching, quarkonia suppression, and heavy flavor modification to study the quark-gluon plasma produced in Pb-Pb collisions. The ALICE, ATLAS and CMS experiments are well-suited to measure bulk properties and select hard probes over a wide momentum range.
This document summarizes the scientific background and research of Dr. José María Escalante Fernández. It outlines his education in physics, telecommunications engineering, and PhD research on theoretical study of light and sound interaction in phoxonic crystal structures. His research focuses on three main areas: 1) slow-wave phenomena in phoxonic structures, 2) optical gain in silicon, and 3) cavity quantum electrodynamics in optomechanical cavities. For each area, key studies and findings are summarized, such as controlling group velocity in phoxonic waveguides and increasing optical gain in silicon cavities using the Purcell effect.
Science Cafe Discovers a New Form of Alternative EnergyEngenuitySC
These are the slides from the May Science Cafe featuring Dr. MVS Chandrashekhar. During this cafe he discussed his work with graphene a new, clean energy source.
1) The document discusses studies of photon detection efficiency and position resolution of the electromagnetic calorimeter (EMC) at the BESIII experiment using control samples of initial state radiation processes.
2) Datasets of J/psi and psi(3770) decays are used to calibrate the EMC energy and position measurements, which are affected by factors like crystal quality and electronic noise.
3) The photon detection efficiency is found to agree between data and Monte Carlo simulation to within 1%, and the EMC position resolution is improved by applying new correction factors derived from calibration samples.
The document summarizes a proposal for a new neutron electric dipole moment (EDM) experiment at the Spallation Neutron Source (SNS). The experiment aims to improve the current neutron EDM sensitivity by two orders of magnitude using ultra-cold neutrons produced in superfluid helium-4 and polarized helium-3 as a co-magnetometer. Many feasibility studies have been conducted, including tests of the helium-3 spin precession frequency matching technique. Construction of the new neutron EDM experiment is expected to begin in fiscal year 2010 with the goal of reaching a sensitivity of less than 1×10-28 e-cm.
This document discusses using graphene for electronic devices. It describes how graphene's zero bandgap is problematic for digital electronics but its high mobility makes it promising. Several approaches are presented to induce a bandgap, including using graphene nanoribbons, applying a vertical electric field to bilayer graphene, and creating lateral heterostructures with materials of different bandgaps. Modeling shows these approaches can effectively control the band structure and enable transistor operation. Challenges remain in fabricating devices with sufficient reproducibility and without degrading carrier mobility. Lateral heterostructure FETs are identified as one of the most promising device concepts.
The document summarizes improvements made to a UCN source at RCNP over time. Key improvements included suppressing He-II film flow, removing 3He, removing hydrogen contamination, using pure 4He, reducing the He-II perimeter, and adding alkali coating, which increased the UCN storage time from 14 seconds in 2002 to 61 seconds in 2009. The increased storage time led to higher UCN density available for experiments.
The Evolution of Elliptical Galaxies in Rich ClustersRobert Berrington
This document summarizes research on the properties of early-type galaxies in rich galaxy clusters. It finds that rich clusters contain thousands of galaxies and have masses of around 1015 solar masses, while poor clusters contain hundreds of galaxies with masses of around 1014 solar masses. The physics of cluster mergers is driven by gravitational forces, with the total gravitational energy available during a merger calculated based on the masses and velocities of the merging clusters. Mergers can create shocks that accelerate particles and produce radio halos and relics detectable by radio and gamma-ray observatories. The properties of the Coma Cluster, a likely ongoing three-body merger, are modeled to study nonthermal particle acceleration and radiation from the merger.
This document discusses several projects related to plasma physics and nuclear physics that the author has worked on. It includes projects studying nuclear reactions in metals using deuterium absorption, characterizing electric arcs using electrical probes, using inductively coupled plasma for optical manufacturing, producing nanoparticles via laser ablation, and using neutron and gamma interrogation for security screening of luggage and parcels. Diagrams and images from various experiments and equipment are provided.
A seminar presented in "CompFlu16" at IIIT Hyderabad in December 2016 on homogeneous nucleation kinetics in anisotropic liquids using a Landau-de Gennes field theoretic study.
Electron-phonon coupling describes the interaction between electrons and phonons in materials. It can be calculated using density functional perturbation theory to obtain the electron-phonon matrix elements and phonon frequencies. This allows calculating temperature-dependent corrections to electronic band structures and optical properties within many-body perturbation theory. Yambo software implements these methods, calculating temperature renormalization of quasi-particle energies and broadening, as well as finite-temperature excitons and dielectric functions.
This document provides a tutorial on direct probing of the electronic structures of topological insulators using angle-resolved photoemission spectroscopy (ARPES). It begins with an introduction to topological insulators and their unique surface state properties. It then discusses how ARPES can be used as a k-space microscope to visualize electronic band structures and distinguish bulk and surface states. The document concludes by showcasing recent ARPES results revealing the topological insulator state in the material Bi2Te3.
Polarization, strain induced phase transitions and dielectric response in ult...Ghanshyam Pilania
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HCL Notes and Domino License Cost Reduction in the World of DLAUpanagenda
Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-and-domino-license-cost-reduction-in-the-world-of-dlau/
The introduction of DLAU and the CCB & CCX licensing model caused quite a stir in the HCL community. As a Notes and Domino customer, you may have faced challenges with unexpected user counts and license costs. You probably have questions on how this new licensing approach works and how to benefit from it. Most importantly, you likely have budget constraints and want to save money where possible. Don’t worry, we can help with all of this!
We’ll show you how to fix common misconfigurations that cause higher-than-expected user counts, and how to identify accounts which you can deactivate to save money. There are also frequent patterns that can cause unnecessary cost, like using a person document instead of a mail-in for shared mailboxes. We’ll provide examples and solutions for those as well. And naturally we’ll explain the new licensing model.
Join HCL Ambassador Marc Thomas in this webinar with a special guest appearance from Franz Walder. It will give you the tools and know-how to stay on top of what is going on with Domino licensing. You will be able lower your cost through an optimized configuration and keep it low going forward.
These topics will be covered
- Reducing license cost by finding and fixing misconfigurations and superfluous accounts
- How do CCB and CCX licenses really work?
- Understanding the DLAU tool and how to best utilize it
- Tips for common problem areas, like team mailboxes, functional/test users, etc
- Practical examples and best practices to implement right away
HCL Notes and Domino License Cost Reduction in the World of DLAU
Bianchin panic2011 2
1. Search for Non-Standard Model Physics
Using the Transverse Muon Polarization
in Stopped K+ Decay
The E06 TREK Experiment
Sébastien Bianchin
TRIUMF / University of British Columbia
on behalf of the TREK-E06 Collaboration
PANIC 2011 (July 24th – 29th, 2001)
Massachusetts Institute of Technology, MA, USA
Thursday, July 28th 2011
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 1
2. The TREK Program at J-PARC
Outline
Hadron Facility at J-PARC
TREK Program TREK = Time Reversal Experiment with Kaons
Search for Time Reversal Symmetry Violation
Test of Lepton Universality
Search for Heavy Neutrinos Lower intensity
TREK Apparatus -- R & D
Status & Schedule
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 2
3. Stopped K+ Experiments @ K1.1BR
E06 (TREK)
“Measurement of T-violating transverse muon
polarization (PT) in K+→ 0 decay”
Stage-1, 270 kW
P36 (LFU)
“Measurement of RK = Γ(K+ →e+ν ) / Γ(K+ → + ν )
and search for heavy sterile neutrinos”
Stage-1 (PAC11-Jan’11); 30 kW
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 3
4. Transverse + Polarization in the K 3 Decay
http://trek.kek.jp
K → decay
+ 0 +
PT is T-odd, and spurious effects from final state interaction
are small: PT (FSI) < 10-5
Non-zero PT is a signature of T violation.
Standard Model (SM) contribution to P : P (SM) < 10-7
- T T
Hence PT in the range 10-3 – 10-5 is a sensitive probe of
CP violation beyond the SM.
There are theoretical models of new physics which allow
a sizable PT value without conflicting with other
experimental constraints.
The TREK experiment aims for a sensitivity of 10-4
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 4
5. Expected Sensitivity
We are aiming for a sensitivity of δPT ~ 10-4
δPTstat ~ 0.05 δPTstat (E246) ~ 10-4 : 1.4 x 107 sec runtime
1) Beam intensity x 30
2) Detector acceptance x 10
3) Larger analyzing power
δPTsyst ~ 0.1 δPTsyst (E246)
~ 10-4
1) Precise calibration of misalignments
2) Correction of systematic effects
3) Precise fwd-bwd cancellation
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 5
6. New Physics: Model Predictions for PT
Model K+ → 0+ K+ → +
■ Standard Model < 10-7 < 10-7
■ Final State Interactions < 10-5 < 10-3
Multi-Higgs ≤ 10-3 ≤ 10-3
PT (K+ → 0+) ≈ + 3 PT (K+ → +)
SUSY with squark mixing ≤ 10-3 ≤ 10-3
PT (K+ → 0+) ≈ − 3 PT (K+ → +)
SUSY with R-parity breaking ≤ 4 x10-4 ≤ 3 x10-4
Leptoquark model ≤ 10-2 ≤ 5 x10-3
■ Left-Right symmetric model 0 < 7x10-3
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 6
7. The 3-Higgs Doublet Model
γ1
α1
M
ED
sγ
n
o
b→ B→X τν
tr
eu
•
N
c.f. dn , b→sγ ∝ Im(α1β1*), (α1β1*)
Im(α1β1*) _____ 2/v32 Im(γ1α1*)
= -v2 E246
Higgs field v.e.v.
B→Xτν and B→τν at Super-Belle TREK goal
corresponds to PT < 3 x 10-4
c.f. TREK goal : PT ≤ 1 x 10-4 v2/v3 = mt / mτ
PT is most stringent constraint for Im(γ 1 α 1 *) !!
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 7
8. J-PARC Facility
(KEK/JAEA )
North
S. Bianchin PANIC 2011 (July 24th – 29th 2011)
10. J-PARC Facility
Linac (KEK/JAEA )
North
3 GeV
Synchrotron
Materials and Life
Experimental
50 G Facility
Syn eV
chr
otro
n
CY2007 Beams Hadron Exp.
JFY2008 Beams Facility
S. Bianchin PANIC 2011 (July 24th – 29th 2011)
11. J-PARC Facility
Linac (KEK/JAEA )
North
3 GeV
Synchrotron
Neutrino Beams
(to Kamioka)
Materials and Life
Experimental
50 G Facility
Syn eV
chr
otro
n
CY2007 Beams Hadron Exp.
JFY2008 Beams Facility
JFY2009 Beams
S. Bianchin PANIC 2011 (July 24th – 29th 2011)
12. J-PARC Hadron Hall
Beam
Dump
K1.8
KL
K1.8BR
K1.1
S-type
30~50 GeV Production
primary beam K1.1BR
target (T1)
C-type
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 9
13. K1.1BR = K0.8 Beam Line Installation
Proton beam
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 10
15. K1.1BR = K0.8 Beam Line Installation
K1.1BR completed in summer 2010 using the supplementary budget of FY09
Commissioned in Oct. 2010 by the TREK collaboration
- ESS Length of 2.0m to be increased to 2.5m
- Length Q8-FF of 3.3m to be reduced to 1.5m (remove iron shielding wall)
Q1, Q2
D2
T1 D1
Q3, Q4
IFX,
Proton beam IFY SX1 ESS
Q5, Q6
SX2
K1.1-BR SX1 MS D3
HFOC
Q7 Q8
• FF
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 10
16. The TREK Experimental Apparatus
K+→0+ Use an upgraded E246 detector
Active Polarimeter
( Japan )
New Fibre Target
( Canada )
C0,C1 GEM
( USA )
CsI(Tl) readout ( Russia )
PT is measured as the azimuthal asymmetry Ae+ of the + decay positrons
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 11
18. TREK/E06 Tracking Upgrade
GEM technology --
In collaboration with
Jefferson Lab,
Hampton U. and MIT
70 µm holes
140 µm spacing
Planar GEMs (C1)
between CsI and C2
Cylindrical GEM (C0)
as replacement for old C1
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 13
19. The C0 Cylindrical GEM for TREK
300 mm
160 mm
140 mm
• Vertex tracking near target, δ < 0.1 mm
• Very high rate capability > 1 kHz/mm2
• Radiation-hardness >> 107
particles/mm2
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 14
20. R&D(1) – APD Readout for CsI(Tl)
• Improve the timing characteristics of
CsI(Tl) by replacing PIN diode with APD
• Pulse shaping and pile-up analysis
One-module energy One-module timing
new requirement too slow
•Both 1 and 9 module tests have been performed using an e+ beam at Tohoku
Univ. to check the energy resolution and high-rate performance of APD readout
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 15
21. R&D(2) – Active Muon Polarimeter
Top View
e+
μ+
μ+
Full angular acceptance for positrons – 10x higher than in E-246
Determination of decay vertex – background-free measurement
Measurement of e+ angle and approx. energy – higher analyzing power
Improved field alignment – suppressed systematic error
Full-size prototype tested at TRIUMF in Nov. 2009
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 16
22. R&D(3) – Active Scintillating Fiber Target
One element Baseline design c.f. E246 Ring counters
PSI FAST target
Cross section
3 x 3 mm
492 fibres
Light guide:
75 mm ϕ
Kuraray Y11 WLS fibre
Readout:
SiPMT (Hamamatsu MPPC)
Beam test using 130 MeV/c π’s
at TRIUMF – radiation damage
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 17
23. Upgrade Timeline
Target:
Finer segmentation of TGT scintillating fibres
Readout: MPPC (SiPMT) Hamamatsu
Particle ID:
Aerogel Cherenkov surrounding target, TOF LFU
Charged particle tracking: 30 kW
Add new element C1 between CsI(Tl) and C2 ~2013
Add cylindrical GEM (C0) (remove aerogel)
TREK
π 0 (1&2 photon) detection:
270 kW
New, faster readout of CsI(Tl): APD, MAPD
Wave form analysis using FADCs >100 kW
~2014
Muon polarimeter :
Active polarimeter with increased acceptance
New muon holding field magnet with a parallel field
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 18
24. Summary
TREK at J-PARC is gaining momentum
“K1.1BR” secondary beamline has been commissioned
Measurement of the T-violating transverse muon
polarization in Kμ3 decay (~2014)
- Large potential for the discovery of New Physics
- Upgrade of existing experimental setup of KEK E-246
Measure Ke2/Kμ2 ratio to test lepton universality (~2013)
Search for heavy neutrinos
- Use E-246 apparatus with
partial upgrades
New collaborators are welcome!
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 19
25. The TREK Collaboration
CANADA RUSSIA
University of Saskatchewan Russian Academy of Sciences (RAS)
Department of Physics and Engineering Institute for Nuclear Research (INR)
University of British Columbia
Department of Physics and Astronomy
TRIUMF
Universite de Montreal
JAPAN
Osaka University
Laboratoire de Physique Nucleaire
Department of Physics
University of Manitoba
National Defense Academy
Department of Physics
Department of Applied Physics
Tohoku University
USA Research Center for Electron Photon Science
High Energy Accel. Research Org. (KEK)
Massachusetts Inst. of Technology (MIT)
Institute of Particle and Nuclear Studies
University of South Carolina
Institute of Material Structure Science
Department of Physics and Astronomy
Accelerator Laboratory
Iowa State University
Kyoto University,
College of Liberal Arts & Sciences
Department of Physics
Hampton University
Tokyo Institute of Technology (TiTech)
Department of Physics
Department of Physics
Jefferson Laboratory
VIETNAM
University of Natural Sciences
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 20
26. The TREK Collaboration
CANADA RUSSIA
University of Saskatchewan Russian Academy of Sciences (RAS)
Department of Physics and Engineering Institute for Nuclear Research (INR)
University of British Columbia
Department of Physics and Astronomy
TRIUMF
Universite de Montreal
JAPAN
Osaka University
Laboratoire de Physique Nucleaire
Department of Physics
University of Manitoba
National Defense Academy
Department of Physics
Department of Applied Physics
Tohoku University
USA Research Center for Electron Photon Science
High Energy Accel. Research Org. (KEK)
Massachusetts Inst. of Technology (MIT)
Institute of Particle and Nuclear Studies
University of South Carolina
Institute of Material Structure Science
Department of Physics and Astronomy
Accelerator Laboratory
Iowa State University
Kyoto University,
College of Liberal Arts & Sciences
Department of Physics
Hampton University
Tokyo Institute of Technology (TiTech)
Department of Physics
Department of Physics
Jefferson Laboratory
VIETNAM
New collaborators are welcome! University of Natural Sciences
S. Bianchin PANIC 2011 (July 24th – 29th 2011) 20