The document discusses building a model of a dark sector with vector dark matter and a light vector mediator particle. It notes some previous related work in this area and outlines that this work will focus on constructing a new model with a massive spin-1 mediator particle and no additional fermions. The presentation will describe the new model but not explore new phenomena or technical naturalness.
Slides for my "lightning talk" at Science Hack Day: San Francisco (2015) on open data sets in particle physics. Small discussion of why some data sets are closed (e.g. LHC) while others are open (e.g. Fermi). Includes some suggested open science projects for the engaged public.
Slides for my "lightning talk" at Science Hack Day: San Francisco (2015) on open data sets in particle physics. Small discussion of why some data sets are closed (e.g. LHC) while others are open (e.g. Fermi). Includes some suggested open science projects for the engaged public.
A preponderance of scientific evidence over the last hundred years tells us that our galaxy is filled with an unknown substance called dark matter. In fact, there is five times as much dark matter in the universe than there is ordinary matter: we are swimming in an ocean of dark matter and we have no firm idea what it is. We suspect that dark matter is composed of undiscovered elementary particles whose properties may, in turn, unlock some of the most pressing open questions in fundamental physics. So why haven't we figured out how to study dark matter in the lab, and why should we be optimistic that we may make progress in the coming decades?
Presentation about ParticleBites.com efforts in the context of sustainability as part of the Sustainable HEP 2nd ed. workshop. https://indico.cern.ch/event/1160140/timetable/
Presented at the 2022 APS April Meeting, session Z05.00009
Abstract: We present a novel approach for student assessment in large physics lecture courses on student-recorded videos. Students record 5-minute videos teaching how to solve a problem to other students and are partially graded based on peer reviews from other students. After piloting this method during COVID-19 remote teaching over the last year and a half, we have found encouraging indications that it (1) promotes student self-efficacy and metacognition, (2) builds in a deeper engagement with the material, (3) encourages student creativity, (4) develops technical and critical communication ability, and (5) avoids long-standing issues with digital plagiarism. Though the method was developed during pandemic teaching, we propose that aspects can be readily applied to in-person teaching and scales with class size. We comment on the potential to support diverse student retention in physics and outline potential pedagogical trade-offs of this method.
Invited talk at the American Physical Society April Meeting, 9 April 2022.
Like many physical systems, the challenge to make physics more equitable is multiscale. The way in which one perceives and is able to change inequities changes over the early phase of an academic career. These changes reflect the scope of one's academic community, the evolving set of career incentives, and a growing ability to directly influence institutional norms. In this talk we provide a framework for how we engage with equity as early career academics. From this framework, we highlight the ways in which early career academics are uniquely qualified to affect change, and the ways institutions can ensure that these academics continue to be agents for positive change as mid-career scientists.
Talk for the 26th Fr. Ciriaco Pedrosa, O.P. Memorial Lecture Series and 8th International Symposium on Mathematics and Physics at the University of Santo Tomas (Manila, Philippines). Presented remotely on Nov 26, 2021
Professional air quality monitoring systems provide immediate, on-site data for analysis, compliance, and decision-making.
Monitor common gases, weather parameters, particulates.
Deep Behavioral Phenotyping in Systems Neuroscience for Functional Atlasing a...Ana Luísa Pinho
Functional Magnetic Resonance Imaging (fMRI) provides means to characterize brain activations in response to behavior. However, cognitive neuroscience has been limited to group-level effects referring to the performance of specific tasks. To obtain the functional profile of elementary cognitive mechanisms, the combination of brain responses to many tasks is required. Yet, to date, both structural atlases and parcellation-based activations do not fully account for cognitive function and still present several limitations. Further, they do not adapt overall to individual characteristics. In this talk, I will give an account of deep-behavioral phenotyping strategies, namely data-driven methods in large task-fMRI datasets, to optimize functional brain-data collection and improve inference of effects-of-interest related to mental processes. Key to this approach is the employment of fast multi-functional paradigms rich on features that can be well parametrized and, consequently, facilitate the creation of psycho-physiological constructs to be modelled with imaging data. Particular emphasis will be given to music stimuli when studying high-order cognitive mechanisms, due to their ecological nature and quality to enable complex behavior compounded by discrete entities. I will also discuss how deep-behavioral phenotyping and individualized models applied to neuroimaging data can better account for the subject-specific organization of domain-general cognitive systems in the human brain. Finally, the accumulation of functional brain signatures brings the possibility to clarify relationships among tasks and create a univocal link between brain systems and mental functions through: (1) the development of ontologies proposing an organization of cognitive processes; and (2) brain-network taxonomies describing functional specialization. To this end, tools to improve commensurability in cognitive science are necessary, such as public repositories, ontology-based platforms and automated meta-analysis tools. I will thus discuss some brain-atlasing resources currently under development, and their applicability in cognitive as well as clinical neuroscience.
A preponderance of scientific evidence over the last hundred years tells us that our galaxy is filled with an unknown substance called dark matter. In fact, there is five times as much dark matter in the universe than there is ordinary matter: we are swimming in an ocean of dark matter and we have no firm idea what it is. We suspect that dark matter is composed of undiscovered elementary particles whose properties may, in turn, unlock some of the most pressing open questions in fundamental physics. So why haven't we figured out how to study dark matter in the lab, and why should we be optimistic that we may make progress in the coming decades?
Presentation about ParticleBites.com efforts in the context of sustainability as part of the Sustainable HEP 2nd ed. workshop. https://indico.cern.ch/event/1160140/timetable/
Presented at the 2022 APS April Meeting, session Z05.00009
Abstract: We present a novel approach for student assessment in large physics lecture courses on student-recorded videos. Students record 5-minute videos teaching how to solve a problem to other students and are partially graded based on peer reviews from other students. After piloting this method during COVID-19 remote teaching over the last year and a half, we have found encouraging indications that it (1) promotes student self-efficacy and metacognition, (2) builds in a deeper engagement with the material, (3) encourages student creativity, (4) develops technical and critical communication ability, and (5) avoids long-standing issues with digital plagiarism. Though the method was developed during pandemic teaching, we propose that aspects can be readily applied to in-person teaching and scales with class size. We comment on the potential to support diverse student retention in physics and outline potential pedagogical trade-offs of this method.
Invited talk at the American Physical Society April Meeting, 9 April 2022.
Like many physical systems, the challenge to make physics more equitable is multiscale. The way in which one perceives and is able to change inequities changes over the early phase of an academic career. These changes reflect the scope of one's academic community, the evolving set of career incentives, and a growing ability to directly influence institutional norms. In this talk we provide a framework for how we engage with equity as early career academics. From this framework, we highlight the ways in which early career academics are uniquely qualified to affect change, and the ways institutions can ensure that these academics continue to be agents for positive change as mid-career scientists.
Talk for the 26th Fr. Ciriaco Pedrosa, O.P. Memorial Lecture Series and 8th International Symposium on Mathematics and Physics at the University of Santo Tomas (Manila, Philippines). Presented remotely on Nov 26, 2021
Professional air quality monitoring systems provide immediate, on-site data for analysis, compliance, and decision-making.
Monitor common gases, weather parameters, particulates.
Deep Behavioral Phenotyping in Systems Neuroscience for Functional Atlasing a...Ana Luísa Pinho
Functional Magnetic Resonance Imaging (fMRI) provides means to characterize brain activations in response to behavior. However, cognitive neuroscience has been limited to group-level effects referring to the performance of specific tasks. To obtain the functional profile of elementary cognitive mechanisms, the combination of brain responses to many tasks is required. Yet, to date, both structural atlases and parcellation-based activations do not fully account for cognitive function and still present several limitations. Further, they do not adapt overall to individual characteristics. In this talk, I will give an account of deep-behavioral phenotyping strategies, namely data-driven methods in large task-fMRI datasets, to optimize functional brain-data collection and improve inference of effects-of-interest related to mental processes. Key to this approach is the employment of fast multi-functional paradigms rich on features that can be well parametrized and, consequently, facilitate the creation of psycho-physiological constructs to be modelled with imaging data. Particular emphasis will be given to music stimuli when studying high-order cognitive mechanisms, due to their ecological nature and quality to enable complex behavior compounded by discrete entities. I will also discuss how deep-behavioral phenotyping and individualized models applied to neuroimaging data can better account for the subject-specific organization of domain-general cognitive systems in the human brain. Finally, the accumulation of functional brain signatures brings the possibility to clarify relationships among tasks and create a univocal link between brain systems and mental functions through: (1) the development of ontologies proposing an organization of cognitive processes; and (2) brain-network taxonomies describing functional specialization. To this end, tools to improve commensurability in cognitive science are necessary, such as public repositories, ontology-based platforms and automated meta-analysis tools. I will thus discuss some brain-atlasing resources currently under development, and their applicability in cognitive as well as clinical neuroscience.
The use of Nauplii and metanauplii artemia in aquaculture (brine shrimp).pptxMAGOTI ERNEST
Although Artemia has been known to man for centuries, its use as a food for the culture of larval organisms apparently began only in the 1930s, when several investigators found that it made an excellent food for newly hatched fish larvae (Litvinenko et al., 2023). As aquaculture developed in the 1960s and ‘70s, the use of Artemia also became more widespread, due both to its convenience and to its nutritional value for larval organisms (Arenas-Pardo et al., 2024). The fact that Artemia dormant cysts can be stored for long periods in cans, and then used as an off-the-shelf food requiring only 24 h of incubation makes them the most convenient, least labor-intensive, live food available for aquaculture (Sorgeloos & Roubach, 2021). The nutritional value of Artemia, especially for marine organisms, is not constant, but varies both geographically and temporally. During the last decade, however, both the causes of Artemia nutritional variability and methods to improve poorquality Artemia have been identified (Loufi et al., 2024).
Brine shrimp (Artemia spp.) are used in marine aquaculture worldwide. Annually, more than 2,000 metric tons of dry cysts are used for cultivation of fish, crustacean, and shellfish larva. Brine shrimp are important to aquaculture because newly hatched brine shrimp nauplii (larvae) provide a food source for many fish fry (Mozanzadeh et al., 2021). Culture and harvesting of brine shrimp eggs represents another aspect of the aquaculture industry. Nauplii and metanauplii of Artemia, commonly known as brine shrimp, play a crucial role in aquaculture due to their nutritional value and suitability as live feed for many aquatic species, particularly in larval stages (Sorgeloos & Roubach, 2021).
The ability to recreate computational results with minimal effort and actionable metrics provides a solid foundation for scientific research and software development. When people can replicate an analysis at the touch of a button using open-source software, open data, and methods to assess and compare proposals, it significantly eases verification of results, engagement with a diverse range of contributors, and progress. However, we have yet to fully achieve this; there are still many sociotechnical frictions.
Inspired by David Donoho's vision, this talk aims to revisit the three crucial pillars of frictionless reproducibility (data sharing, code sharing, and competitive challenges) with the perspective of deep software variability.
Our observation is that multiple layers — hardware, operating systems, third-party libraries, software versions, input data, compile-time options, and parameters — are subject to variability that exacerbates frictions but is also essential for achieving robust, generalizable results and fostering innovation. I will first review the literature, providing evidence of how the complex variability interactions across these layers affect qualitative and quantitative software properties, thereby complicating the reproduction and replication of scientific studies in various fields.
I will then present some software engineering and AI techniques that can support the strategic exploration of variability spaces. These include the use of abstractions and models (e.g., feature models), sampling strategies (e.g., uniform, random), cost-effective measurements (e.g., incremental build of software configurations), and dimensionality reduction methods (e.g., transfer learning, feature selection, software debloating).
I will finally argue that deep variability is both the problem and solution of frictionless reproducibility, calling the software science community to develop new methods and tools to manage variability and foster reproducibility in software systems.
Exposé invité Journées Nationales du GDR GPL 2024
This presentation explores a brief idea about the structural and functional attributes of nucleotides, the structure and function of genetic materials along with the impact of UV rays and pH upon them.
DERIVATION OF MODIFIED BERNOULLI EQUATION WITH VISCOUS EFFECTS AND TERMINAL V...Wasswaderrick3
In this book, we use conservation of energy techniques on a fluid element to derive the Modified Bernoulli equation of flow with viscous or friction effects. We derive the general equation of flow/ velocity and then from this we derive the Pouiselle flow equation, the transition flow equation and the turbulent flow equation. In the situations where there are no viscous effects , the equation reduces to the Bernoulli equation. From experimental results, we are able to include other terms in the Bernoulli equation. We also look at cases where pressure gradients exist. We use the Modified Bernoulli equation to derive equations of flow rate for pipes of different cross sectional areas connected together. We also extend our techniques of energy conservation to a sphere falling in a viscous medium under the effect of gravity. We demonstrate Stokes equation of terminal velocity and turbulent flow equation. We look at a way of calculating the time taken for a body to fall in a viscous medium. We also look at the general equation of terminal velocity.
Travis Hills' Endeavors in Minnesota: Fostering Environmental and Economic Pr...Travis Hills MN
Travis Hills of Minnesota developed a method to convert waste into high-value dry fertilizer, significantly enriching soil quality. By providing farmers with a valuable resource derived from waste, Travis Hills helps enhance farm profitability while promoting environmental stewardship. Travis Hills' sustainable practices lead to cost savings and increased revenue for farmers by improving resource efficiency and reducing waste.
Richard's aventures in two entangled wonderlandsRichard Gill
Since the loophole-free Bell experiments of 2020 and the Nobel prizes in physics of 2022, critics of Bell's work have retreated to the fortress of super-determinism. Now, super-determinism is a derogatory word - it just means "determinism". Palmer, Hance and Hossenfelder argue that quantum mechanics and determinism are not incompatible, using a sophisticated mathematical construction based on a subtle thinning of allowed states and measurements in quantum mechanics, such that what is left appears to make Bell's argument fail, without altering the empirical predictions of quantum mechanics. I think however that it is a smoke screen, and the slogan "lost in math" comes to my mind. I will discuss some other recent disproofs of Bell's theorem using the language of causality based on causal graphs. Causal thinking is also central to law and justice. I will mention surprising connections to my work on serial killer nurse cases, in particular the Dutch case of Lucia de Berk and the current UK case of Lucy Letby.
Comparing Evolved Extractive Text Summary Scores of Bidirectional Encoder Rep...University of Maribor
Slides from:
11th International Conference on Electrical, Electronics and Computer Engineering (IcETRAN), Niš, 3-6 June 2024
Track: Artificial Intelligence
https://www.etran.rs/2024/en/home-english/
ANAMOLOUS SECONDARY GROWTH IN DICOT ROOTS.pptxRASHMI M G
Abnormal or anomalous secondary growth in plants. It defines secondary growth as an increase in plant girth due to vascular cambium or cork cambium. Anomalous secondary growth does not follow the normal pattern of a single vascular cambium producing xylem internally and phloem externally.
1. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
Flip Tanedo
17 MAY 2019
UC Riverside Particle Theory
A SPIN-1 DARK SECTOR
& W H Y W E M I G H T C A R E
Work in progress with
Ian Chaffey (UCR)
f l i p . t a n e d o @ u c r . e d u TEXAS A&M / MITCHELL INSTITUTE
&
2. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
2
The challenge
I don’t think there’s a model of
vector dark matter with a low-mass
vector mediator.
e.g. kinetic mixing portal to vector dark matter
“ “”
3. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
3
This talk (and what it is not)
Build a dark sector with
vector dark matter,
light vector mediator.
MASS
2
SU(2) GAUGE PION HIGGS
New model
New phenomena?
(not this study)
Cool plots
New directions
Technical naturalness
4. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
4
Is this actually new?
KK VDM: Servant & Tait (hep-ph/0206071)
SU(2) VDM: Hambye (0811.0172), Gross et al. (1505.07480)
VDM + massless mediator: Baek et al. (1311.1035)
Topology: Murayama & Shu (0905.1720 ), Ko & Tang
(1609.02307), Khoze & Ro (1406.2291)
Simplified Model: Dent et al. (1505.03117)
Confined: Boddy et al. 1408.6532 & 1402.3629
Recent: Elahi & Khatibi 1902.04384, Choi et al. 1904.04109
Apologies for papers that I’ve missed… e-mail me soon if I missed yours.
This work: massive spin-1 mediator, no fermions.
5. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
5
Vector Dark Matter
SU(2)V
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Wa
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<latexit sha1_base64="LiCf5BBFNh2h/jL3K3YUk1oGxbI=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48V7Qe0sUy2m3bpZhN2N0IJ/QlePCji1V/kzX/jts1BWx8MPN6bYWZekAiujet+O4W19Y3NreJ2aWd3b/+gfHjU0nGqKGvSWMSqE6BmgkvWNNwI1kkUwygQrB2Mb2Z++4kpzWP5YCYJ8yMcSh5yisZK9+1H7JcrbtWdg6wSLycVyNHol796g5imEZOGCtS667mJ8TNUhlPBpqVeqlmCdIxD1rVUYsS0n81PnZIzqwxIGCtb0pC5+nsiw0jrSRTYzgjNSC97M/E/r5ua8MrPuExSwyRdLApTQUxMZn+TAVeMGjGxBKni9lZCR6iQGptOyYbgLb+8SloXVc+teneXlfp1HkcRTuAUzsGDGtThFhrQBApDeIZXeHOE8+K8Ox+L1oKTzxzDHzifPyClja4=</latexit>
COUPLING TRIPLET
We use common Standard Model particle names to
emphasize analogy to SM symmetries.
This talk: completely in the dark sector.
6. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
6
what we want
MASS
2
SU(2) GAUGE PION
Wa
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<latexit sha1_base64="LiCf5BBFNh2h/jL3K3YUk1oGxbI=">AAAB6nicbVBNS8NAEJ3Ur1q/qh69LBbBU0lEqMeiF48V7Qe0sUy2m3bpZhN2N0IJ/QlePCji1V/kzX/jts1BWx8MPN6bYWZekAiujet+O4W19Y3NreJ2aWd3b/+gfHjU0nGqKGvSWMSqE6BmgkvWNNwI1kkUwygQrB2Mb2Z++4kpzWP5YCYJ8yMcSh5yisZK9+1H7JcrbtWdg6wSLycVyNHol796g5imEZOGCtS667mJ8TNUhlPBpqVeqlmCdIxD1rVUYsS0n81PnZIzqwxIGCtb0pC5+nsiw0jrSRTYzgjNSC97M/E/r5ua8MrPuExSwyRdLApTQUxMZn+TAVeMGjGxBKni9lZCR6iQGptOyYbgLb+8SloXVc+teneXlfp1HkcRTuAUzsGDGtThFhrQBApDeIZXeHOE8+K8Ox+L1oKTzxzDHzifPyClja4=</latexit>
what we’ve got
Model Building
7. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
7
Baek, Ko, Park (1311.1035 )
Model Building
TRIPLET
We parameterize the Goldstone fields
the broken generators [31]:
H = ei
'H ·T
v/2 hHi
= ei
' ·T
f h i e i
' ·T
f
with respect to the su(2)H, generator
H|radial =
1
p
2
✓
0
h
◆
3.2 Gauge Boson Masses
The gauged su(2)V symmetry is the dia
the covariant derivatives on the scalar
DµH = @µH igWa
µ Ta
H
h i =
1
2
✓
f
f
◆
=
?
SU(2) GAUGE
SU(2) GAUGE
h i =
2 f
=
ries su(2)H ! ? and su(2) ! u(1),
s
ds as spacetime-dependent transforma
'H · T =
p
2'+
HT+
+
p
2'H
p p
SU(2) GAUGE PION
want
Introduce triplet, give it a vev.
Breaks SU(2), gives mass to W±
stable
8. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
8
Baek, Ko, Park (1311.1035 )
Model Building
TRIPLET
SU(2) GAUGE
SU(2) GAUGE
SU(2) GAUGE PION
want
need to make this massive
h i =
2 f
=
ries su(2)H ! ? and su(2) ! u(1),
s
ds as spacetime-dependent transforma
'H · T =
p
2'+
HT+
+
p
2'H
p p
9. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
9
Baek, Ko, Park (1311.1035 )
Model Building
SU(2) GAUGE PION
want
hu
hd
=
1
2
3
2 +
p
2 3
he vacuum expectation values of the
hHi =
✓
0
v/
p
2
◆
h i
the global symmetries su(2)H ! ? an
be Goldstones
Figure 1: Spectrum. [Flip: Check this... I think
3 Symmetry Breaking
A linear parameterization of the scalar fields is
H =
✓
hu
hd
◆
=
1
2
✓ 3
p
2
p
2
We parameterize the vacuum expectation values of th
hHi =
✓
0
v/
p
2
◆
h
These vevs break the global symmetries su(2)H ! ? a
10. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
10
Two problems
1. W± stability?
2. extra Goldstones?
11. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
11
Standard Model Interlude
SU(2)L ⇥ U(1)Y ! U(1)EM
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SU(2)L ⇥ SU(2)R ! SU(2)V
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GAUGE HIGGS
PIONS
W±
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A
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Z
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⇡±,0
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h
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'±
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'0
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GLOBAL SYMMETRY FOR EW
SU(2)H ⇥ SU(2)0
L ⇥ U(1)H
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EW is a gauged subgroup
12. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
12
Global Symmetry
al representation.
no interactions, the particles re
su(2) ⇥ su(2)H ⇥ u(1)H =
calar fields transform as
! U U†
su(2)H : H !
gonal (vector) subgroup su(2)V
(x) ! U (x)U†
,
unitary matrix and Ta
= 1
2
a
are the generato
articles respect. a global “flavor” symmetry
u(1)H = su(2)V ⇥ su(2)A ⇥ u(1)H ,
as
2)H : H ! UHH u(1)H : H ! ei✓H
H .
p su(2)V of su(2) ⇥ su(2)H composed of transf
exp(i✓a
Ta
) is a 2 ⇥ 2 special unitary matrix an
mental representation.
mit of no interactions, the particles respect. a g
su(2) ⇥ su(2)H ⇥ u(1)H = su(2)V ⇥
the scalar fields transform as
) : ! U U†
su(2)H : H ! UHH
he diagonal (vector) subgroup su(2)V of su(2)
UH. The orthogonal combination is the ‘axial’
Higgs number” symmetry is analogous to hype
! UH(x) (x) ! U (x)U
2 ⇥ 2 special unitary matrix and Ta
= 1
2
a
are
ntation.
ctions, the particles respect. a global “flavor” s
⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A ⇥ u(1)H
s transform as
†
su(2)H : H ! UHH u(1)H : H
tor) subgroup su(2)V of su(2) ⇥ su(2)H compo
{
gauge diagonal subgroup: UΦ = UH
TRIPLET (REAL)
DOUBLET
13. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
13
Global Symmetry Breaking
I think the h is actually lifted to m2
h ⇠ µf.]
p
2 +
3
◆
±
⌘
1
+ i 2
p
2
. (3.1)
of the fields by
h i =
1
2
✓
f
f
◆
= fT3
. (3.2)
! ? and su(2) ! u(1), respectively.
me-dependent transformations of the vacuum by
Figure 1: Spectrum. [Flip: Check this... I
3 Symmetry Breaking
A linear parameterization of the scalar fields is
H =
✓
hu
hd
◆
=
1
2
✓ 3
p
2
We parameterize the vacuum expectation values o
hHi =
✓
0
v/
p
2
◆
These vevs break the global symmetries su(2)H !
3.1 Would-be Goldstones
al representation.
no interactions, the particles re
su(2) ⇥ su(2)H ⇥ u(1)H =
calar fields transform as
! U U†
su(2)H : H !
gonal (vector) subgroup su(2)V
{
gauge diagonal subgroup
14. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
14
Leftover symmetry
) is a 2 ⇥ 2 special unitary matrix and T = 2
are t
representation.
o interactions, the particles respect. a global “flavor” sy
su(2) ⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A ⇥ u(1)H ,
lar fields transform as
! U U†
su(2)H : H ! UHH u(1)H : H !
nal (vector) subgroup su(2)V of su(2) ⇥ su(2)H compos
orthogonal combination is the ‘axial’ symmetry su(2)A
umber” symmetry is analogous to hypercharge in the St
Renormalizable Lagrangian
alizable Lagrangian satisfying the global symmetries of
= exp(i✓ T ) is a 2 ⇥ 2 special unitary matrix and T =
damental representation.
limit of no interactions, the particles respect. a global “
su(2) ⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A
ch the scalar fields transform as
(2) : ! U U†
su(2)H : H ! UHH u
the diagonal (vector) subgroup su(2)V of su(2) ⇥ su(2)
UH. The orthogonal combination is the ‘axial’ symme
“Higgs number” symmetry is analogous to hypercharge
eneral, Renormalizable Lagrangian
al, renormalizable Lagrangian satisfying the global symm
⇥ 2 special unitary matrix and T = 2
are the genera
ation.
ons, the particles respect. a global “flavor” symmetry
⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A ⇥ u(1)H ,
transform as
su(2)H : H ! UHH u(1)H : H ! ei✓H
H .
r) subgroup su(2)V of su(2) ⇥ su(2)H composed of tran
nal combination is the ‘axial’ symmetry su(2)A, for whic
ymmetry is analogous to hypercharge in the Standard M
malizable Lagrangian
agrangian satisfying the global symmetries of the partic
T ) is a 2 ⇥ 2 special unitary matrix and T = 2
are
representation.
o interactions, the particles respect. a global “flavor” sy
su(2) ⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A ⇥ u(1)H
alar fields transform as
! U U†
su(2)H : H ! UHH u(1)H : H !
onal (vector) subgroup su(2)V of su(2) ⇥ su(2)H compo
e orthogonal combination is the ‘axial’ symmetry su(2)
umber” symmetry is analogous to hypercharge in the S
Renormalizable Lagrangian
malizable Lagrangian satisfying the global symmetries of
do not include any such terms.
2 Spectrum, Symmetry, Stability
ualitative overview of the model is as follows. The vacuum o
aks the global symmetry su(2) ⇥ su(2)H ⇥ u(1)H ! u(1)H0
u(1)H0 : T3
V +
1
2
TH ,
logous to electric charge in the electroweak sector. In wha
ark sector particle with respect to the u(1)V ⇢ su(2)V gaug
ge bosons eat three of the five Goldstone modes. We sug
ns,’ ⇡±
. We take the limit where the triplet vev is much la
hTr 2
i =
f2
2
h|H|2
i =
we do not include any such terms.
2.2 Spectrum, Symmetry, Stability
A qualitative overview of the model is as follows. The vacuum
breaks the global symmetry su(2) ⇥ su(2)H ⇥ u(1)H ! u(1
u(1)H0 : T3
V +
1
2
TH
analogous to electric charge in the electroweak sector. In w
a dark sector particle with respect to the u(1)V ⇢ su(2)V g
gauge bosons eat three of the five Goldstone modes. We
pions,’ ⇡±
. We take the limit where the triplet vev is much
hTr 2
i =
f2
2
h|H|
{
Figure 1: Spectrum. [Flip: Check this
3 Symmetry Breaking
A linear parameterization of the scalar fields is
H =
✓
hu
hd
◆
=
1
2
✓ 3
p
2
We parameterize the vacuum expectation value
hHi =
✓
0
v/
p
2
◆
These vevs break the global symmetries su(2)H
+1/2
-1/2
+1
+1
TV3 TH
Analog of electromagnetism
after electroweak breaking
gauged
U(1)H’ stabilizes dark matter
15. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
15
Leftover symmetry
) is a 2 ⇥ 2 special unitary matrix and T = 2
are t
representation.
o interactions, the particles respect. a global “flavor” sy
su(2) ⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A ⇥ u(1)H ,
lar fields transform as
! U U†
su(2)H : H ! UHH u(1)H : H !
nal (vector) subgroup su(2)V of su(2) ⇥ su(2)H compos
orthogonal combination is the ‘axial’ symmetry su(2)A
umber” symmetry is analogous to hypercharge in the St
Renormalizable Lagrangian
alizable Lagrangian satisfying the global symmetries of
= exp(i✓ T ) is a 2 ⇥ 2 special unitary matrix and T =
damental representation.
limit of no interactions, the particles respect. a global “
su(2) ⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A
ch the scalar fields transform as
(2) : ! U U†
su(2)H : H ! UHH u
the diagonal (vector) subgroup su(2)V of su(2) ⇥ su(2)
UH. The orthogonal combination is the ‘axial’ symme
“Higgs number” symmetry is analogous to hypercharge
eneral, Renormalizable Lagrangian
al, renormalizable Lagrangian satisfying the global symm
⇥ 2 special unitary matrix and T = 2
are the genera
ation.
ons, the particles respect. a global “flavor” symmetry
⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A ⇥ u(1)H ,
transform as
su(2)H : H ! UHH u(1)H : H ! ei✓H
H .
r) subgroup su(2)V of su(2) ⇥ su(2)H composed of tran
nal combination is the ‘axial’ symmetry su(2)A, for whic
ymmetry is analogous to hypercharge in the Standard M
malizable Lagrangian
agrangian satisfying the global symmetries of the partic
T ) is a 2 ⇥ 2 special unitary matrix and T = 2
are
representation.
o interactions, the particles respect. a global “flavor” sy
su(2) ⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A ⇥ u(1)H
alar fields transform as
! U U†
su(2)H : H ! UHH u(1)H : H !
onal (vector) subgroup su(2)V of su(2) ⇥ su(2)H compo
e orthogonal combination is the ‘axial’ symmetry su(2)
umber” symmetry is analogous to hypercharge in the S
Renormalizable Lagrangian
malizable Lagrangian satisfying the global symmetries of
do not include any such terms.
2 Spectrum, Symmetry, Stability
ualitative overview of the model is as follows. The vacuum o
aks the global symmetry su(2) ⇥ su(2)H ⇥ u(1)H ! u(1)H0
u(1)H0 : T3
V +
1
2
TH ,
logous to electric charge in the electroweak sector. In wha
ark sector particle with respect to the u(1)V ⇢ su(2)V gaug
ge bosons eat three of the five Goldstone modes. We sug
ns,’ ⇡±
. We take the limit where the triplet vev is much la
hTr 2
i =
f2
2
h|H|2
i =
we do not include any such terms.
2.2 Spectrum, Symmetry, Stability
A qualitative overview of the model is as follows. The vacuum
breaks the global symmetry su(2) ⇥ su(2)H ⇥ u(1)H ! u(1
u(1)H0 : T3
V +
1
2
TH
analogous to electric charge in the electroweak sector. In w
a dark sector particle with respect to the u(1)V ⇢ su(2)V g
gauge bosons eat three of the five Goldstone modes. We
pions,’ ⇡±
. We take the limit where the triplet vev is much
hTr 2
i =
f2
2
h|H|
{
Figure 1: Spectrum. [Flip: Check this
3 Symmetry Breaking
A linear parameterization of the scalar fields is
H =
✓
hu
hd
◆
=
1
2
✓ 3
p
2
We parameterize the vacuum expectation value
hHi =
✓
0
v/
p
2
◆
These vevs break the global symmetries su(2)H
+1/2
-1/2
+1
+1
TV3 TH
gauged
order parameter of U(1) breaking
is charge 1/2
incompatible
with SU(2)V
16. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
16
Two problems
1. W± stability?
2. extra Goldstones?
17. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
17
Goldstone smorgasborg
More Goldstones
than gauge bosons
Leftovers are pions.
18. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
18
Leftover symmetry
) is a 2 ⇥ 2 special unitary matrix and T = 2
are t
representation.
o interactions, the particles respect. a global “flavor” sy
su(2) ⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A ⇥ u(1)H ,
lar fields transform as
! U U†
su(2)H : H ! UHH u(1)H : H !
nal (vector) subgroup su(2)V of su(2) ⇥ su(2)H compos
orthogonal combination is the ‘axial’ symmetry su(2)A
umber” symmetry is analogous to hypercharge in the St
Renormalizable Lagrangian
alizable Lagrangian satisfying the global symmetries of
= exp(i✓ T ) is a 2 ⇥ 2 special unitary matrix and T =
damental representation.
limit of no interactions, the particles respect. a global “
su(2) ⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A
ch the scalar fields transform as
(2) : ! U U†
su(2)H : H ! UHH u
the diagonal (vector) subgroup su(2)V of su(2) ⇥ su(2)
UH. The orthogonal combination is the ‘axial’ symme
“Higgs number” symmetry is analogous to hypercharge
eneral, Renormalizable Lagrangian
al, renormalizable Lagrangian satisfying the global symm
⇥ 2 special unitary matrix and T = 2
are the genera
ation.
ons, the particles respect. a global “flavor” symmetry
⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A ⇥ u(1)H ,
transform as
su(2)H : H ! UHH u(1)H : H ! ei✓H
H .
r) subgroup su(2)V of su(2) ⇥ su(2)H composed of tran
nal combination is the ‘axial’ symmetry su(2)A, for whic
ymmetry is analogous to hypercharge in the Standard M
malizable Lagrangian
agrangian satisfying the global symmetries of the partic
T ) is a 2 ⇥ 2 special unitary matrix and T = 2
are
representation.
o interactions, the particles respect. a global “flavor” sy
su(2) ⇥ su(2)H ⇥ u(1)H = su(2)V ⇥ su(2)A ⇥ u(1)H
alar fields transform as
! U U†
su(2)H : H ! UHH u(1)H : H !
onal (vector) subgroup su(2)V of su(2) ⇥ su(2)H compo
e orthogonal combination is the ‘axial’ symmetry su(2)
umber” symmetry is analogous to hypercharge in the S
Renormalizable Lagrangian
malizable Lagrangian satisfying the global symmetries of
2.2 Spectrum, Symmetry, Stability
A qualitative overview of the model is as follows. T
breaks the global symmetry su(2) ⇥ su(2)H ⇥ u(
u(1)H0 :
analogous to electric charge in the electroweak se
a dark sector particle with respect to the u(1)V ⇢
gauge bosons eat three of the five Goldstone mo
‘pions,’ ⇡±
. We take the limit where the triplet v
hTr 2
i =
f2
2
{
gauged
EATEN GOLDSTONES
UNEATEN PIONS
Explicitly break SU(2)A,
give mass to pions
PSEUDO-GOLDSTONES
)V ⇥ su(2)A ⇥ u(1)H , (2.2)
H u(1)H : H ! ei✓H
H . (2.3)
(2) ⇥ su(2)H composed of transformations
ial’ symmetry su(2)A, for which U = U†
H.
hypercharge in the Standard Model.
an
global symmetries of the particle content is
V (2.4)
2
+ µH†
H + 00
|H|2
Tr 2
. (2.5)
al and adjoint of su(2), respectively. We
H obtain vacuum expectation values (vevs)
ry. This breaking produces a spectrum of
EXPLICIT SU(2)A
BREAKING
19. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
19
20. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
20
The Model
e the diagonal (vector) subgroup su(2)V of su(2) ⇥ su(2)H composed of trans
= UH. The orthogonal combination is the ‘axial’ symmetry su(2)A, for which
H “Higgs number” symmetry is analogous to hypercharge in the Standard Mo
General, Renormalizable Lagrangian
eral, renormalizable Lagrangian satisfying the global symmetries of the particle
L =
1
4
Fa
µ⌫Faµ⌫
+ |DµH|2
+ Tr |Dµ |2
V
V =
4!
2 Tr 2
f2
0
2
+
0
4!
2|H|2
v2
0
2
+ µH†
H + 00
|H|2
Tr 2
.
D are covariant derivatives for the fundamental and adjoint of su(2), respect
e potential V to imply that the scalars and H obtain vacuum expectation va
ntaneously break the symmetries of the theory. This breaking produces a sp
ne bosons, three of which are eaten by the massive gauge bosons. The triline
y breaks the global axial su(2)A symmetry. This gives a mass to the remaining
stone modes. The 00
term mixes the radial modes of the H and . We syst
the theory starting from the symmetry breaking and 0
terms and subsequen
ts of the µ and 00
terms. Additional quartic terms obeying the global symmet
0 1
{
{
Figure 1: Spectrum. [Flip: Check this... I think the h is actually lifted to m2
h ⇠ µf.]
Symmetry Breaking
ear parameterization of the scalar fields is
H =
✓
hu
hd
◆
=
1
2
✓ 3
p
2 +
p
2 3
◆
±
⌘
1
+ i 2
p
2
.
arameterize the vacuum expectation values of the fields by
hHi =
✓
0
v/
p
2
◆
h i =
1
2
✓
f
f
◆
= fT3
.
e vevs break the global symmetries su(2)H ! ? and su(2) ! u(1), respectively.
Would-be Goldstones
arameterize the Goldstone fields as spacetime-dependent transformations of the
roken generators [31]:
H = ei
'H ·T
v/2 hHi 'H · T =
p
2'+
HT+
+
p
2'HT + '0
HT3
his... I think the h is actually lifted to m2
h ⇠ µf.]
is
3
p
2 +
2 3
◆
±
⌘
1
+ i 2
p
2
. (3.1)
ues of the fields by
h i =
1
2
✓
f
f
◆
= fT3
. (3.2)
)H ! ? and su(2) ! u(1), respectively.
cetime-dependent transformations of the vacuum by
' · T =
p
2'+
T+
+
p
2' T + '0
T3
(3.3)
MASS TO VECTORS
EXPLICIT SU(2)A
BREAKING
MASS TO PIONS
SPONTANEOUS BREAKING
H =
✓
hu
hd
◆
=
We parameterize the vacuum expectati
hHi =
✓
0
v/
p
2
◆
These vevs break the global symmetrie
3.1 Would-be Goldstones
We parameterize the Goldstone fields
the broken generators [31]:
H = ei
'H ·T
v/2 hHi
= ei
' ·T
f h i e i
' ·T
f
with respect to the su(2)H, generators
H|radial =
1
p
2
✓
0
h
◆
3.2 Gauge Boson Masses
3 Symmetry Breaking
A linear parameterization of the scalar fields is
H =
✓
hu
hd
◆
=
1
2
✓ 3
p
2 +
p
2 3
◆
We parameterize the vacuum expectation values of the fields
hHi =
✓
0
v/
p
2
◆
h i =
1
2
These vevs break the global symmetries su(2)H ! ? and su
3.1 Would-be Goldstones
We parameterize the Goldstone fields as spacetime-depende
the broken generators [31]:
H = ei
'H ·T
v/2 hHi 'H · T =
p
2'
= ei
' ·T
f h i e i
' ·T
f ' · T =
p
2'
with respect to the su(2)H, generators T±
= T1
± iT2
, T3
. T
✓ ◆
DOUBLET
TRIPLET
V H
= UH. The orthogonal combination is the ‘axial’ symmetry su(2)A, for which
H “Higgs number” symmetry is analogous to hypercharge in the Standard Mo
General, Renormalizable Lagrangian
eral, renormalizable Lagrangian satisfying the global symmetries of the particle
L =
1
4
Fa
µ⌫Faµ⌫
+ |DµH|2
+ Tr |Dµ |2
V
V =
4!
2 Tr 2
f2
0
2
+
0
4!
2|H|2
v2
0
2
+ µH†
H + 00
|H|2
Tr 2
.
D are covariant derivatives for the fundamental and adjoint of su(2), respect
e potential V to imply that the scalars and H obtain vacuum expectation va
ntaneously break the symmetries of the theory. This breaking produces a sp
ne bosons, three of which are eaten by the massive gauge bosons. The triline
y breaks the global axial su(2)A symmetry. This gives a mass to the remaining
stone modes. The 00
term mixes the radial modes of the H and . We syst
the theory starting from the symmetry breaking and 0
terms and subsequen
ts of the µ and 00
terms. Additional quartic terms obeying the global symmet
0
term.1
✓ ◆
Full disclosure: there’s a tuning in this model!
21. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
21
Portals to Standard Model
Higgs mixing: e.g. Baek et al. (1311.1035; dark Z: Lee et al. 1203.2947
|HSM|2
a|H2
| + bTr 2
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1
⇤
˜AB
WA
µ⌫WB µ⌫
SM
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1
⇤
A
WA
µ⌫Bµ⌫
SM
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<latexit sha1_base64="Ao7h5ZhRZ2I9PDVrEoxlyHeq11w=">AAACIXicbVBNS8NAFNz4WetX1aOXxSJ4KokI9lj14kGhorVCk4bNZtMubjZh90UsIX/Fi3/FiwdFehP/jNtaQasDC8PMG96+CVLBNdj2uzUzOze/sFhaKi+vrK6tVzY2r3WSKcpaNBGJugmIZoJL1gIOgt2kipE4EKwd3J6M/PYdU5on8goGKfNi0pM84pSAkfxK3Y0UoblT5O6ZSYWkwG6zz7tH7e6Rn7tx5sqsOPZdYPeQX54X3W/Nr1Ttmj0G/kucCamiCZp+ZeiGCc1iJoEKonXHsVPwcqKAU8GKsptplhJ6S3qsY6gkMdNePr6wwLtGCXGUKPMk4LH6M5GTWOtBHJjJmEBfT3sj8T+vk0FU93Iu0wyYpF+LokxgSPCoLhxyxSiIgSGEKm7+immfmMrAlFo2JTjTJ/8l1/s1x645FwfVxvGkjhLaRjtoDznoEDXQKWqiFqLoAT2hF/RqPVrP1ps1/BqdsSaZLfQL1scnKRekxA==</latexit>
Higgs mixing portal
Z-mixing
Kinetic mixing
THOROUGHLY EXPLORED
22. f l i p . t a n e d o @ u c r . e d u 27
TEXAS A&M / MITCHELL INSTITUTE
22
Monopoles?
Georgi—Glashow model;
has t’Hooft—Polyakov
monopoles.
SU(2) GAUGE TRIPLET
0
SU(2) GAUGE
L =
1
4
Fa
µ⌫Faµ⌫
+ |DµH|2
+ Tr |Dµ
V =
4!
2 Tr 2
f2
0
2
+
0
4!
2|H
D and D are covariant derivatives for the fund
write the potential V to imply that the scalars
that spontaneously break the symmetries of the
Goldstone bosons, three of which are eaten by
explicitly breaks the global axial su(2)A symmetr
be Goldstone modes. The 00
term mixes the ra
examine the theory starting from the symmetry b
the e↵ects of the µ and 00
terms. Additional qua
to the 00
term.1
1
For example: H† 2
H =
1
2
H†
{ , } H =
1
2
H†
✓
1
2
a
3
23. f l i p . t a n e d o @ u c r . e d u 27
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23
Dark sector monopoles
don’t do much here.
Sequestered from visible
matter.
1311.1035
SU(2) GAUGE TRIPLET
0
SU(2) GAUGE
mA⟷ confinement
Kinetic mixing
BUT IN OUR CASE:
MASSLESS
24. f l i p . t a n e d o @ u c r . e d u 27
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24
Kinetic Mixing with Monopoles
visible matter picks up small dark charge
dark stuff stays dark
Kinetic Mixing:
25. f l i p . t a n e d o @ u c r . e d u 27
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25
Kinetic Mixing with Monopoles
Anson Hook and Junwu Huang 1705.01107
visible matter picks up small dark charge
dark stuff stays dark
visible magnetic
charge
picks up small
dark magnetic
monopole
Kinetic Mixing:
Implies:
millimagnetic charge
26. f l i p . t a n e d o @ u c r . e d u 27
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26
1808.09459; FT, Can Kilic, Mario Martone in progress.
Tip of the iceberg
27. f l i p . t a n e d o @ u c r . e d u 27
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27
thanks!
Figure 8: Cartoon of the Goldstone excitation for a ‘Mexican hat’ potential. Image from [148].
4.3.1 Framework
We begin with the concrete example of low-energy qcd that we described above. Given that the
chiral condensate hq̄qi breaks SU(3)A, we proceed to write down the e↵ective theory describing
the interaction of the resulting Goldstone bosons. Let us write U0 to refer to the direction in field
space associated with the chiral condensate, U0 ⇠ hq̄qi. This transforms as a bifundamental with
respect to SU(3)L⇥SU(3)R,
U(x) ! ULU(x)U†
R, (4.9)
where UL and UR are the transformation matrices under the SU(3)L and SU(3)R respectively. The
observation that SU(3)A is broken corresponds to U0 = . Note that this indeed preserves the
SU(3)V transformations UL = UR.
We now consider the fluctuations U(x) about U0—these are what we identify with the Goldstone
bosons. Recall the picture of spontaneous symmetry breaking through the ‘Mexican hat’ potential
in Fig. 8. The action of an unbroken symmetry does not a↵ect the vev (represented by the ball),
while broken symmetries shift the vev along the vacuum manifold. This gives an intuitive picture
of how to identify the Goldstone modes:
1. Identify a convenient vev, U0
28. f l i p . t a n e d o @ u c r . e d u 27
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28
Additional Slides
29. f l i p . t a n e d o @ u c r . e d u 57
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1 cm
2 êg
10 cm
2 êg
100 cm
2 êg
0.1 cm
2 êg
sêm = 0.01 cm
2 êg
10 50 100 500 1000 5000
1
10
102
103
104
Xv HkmêsL
Xsvêm
Hcm
2
êg
â
kmêsL
FIG. 1: Self-interaction cross section measured from astrophysical
29
Self-Interacting Dark Matter
Kaplinghat, Tulin, Yu 1508.03339
10 GeV DM
10 MeV med
DWARFS
LSB
CLUSTER
N-BODY
30. f l i p . t a n e d o @ u c r . e d u 57
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30
Goldstone space
on values fa > fb. The Goldstone excitations
2
Only hHi breaks the u(1) symmetry so tha
contrast to the charged states for which th
pair of charged gauge bosons; see Appendi
identify the normalized su(2)V Goldstone '
'±
V =
f'±
+ (v/2)'±
H
p
f2 + (v/2)2
In unitary gauge, '±
V only appears as the lo
is an uneaten Goldstone boson that remain
them ⇡±
in anticipation of including explici
3.4 Symmetry Breaking with
The simplest form of this model takes only
V | , 0 =
4!
2 Tr
These terms separately break the su(2) an
he linear combination of Goldstone bosons associated with su(2)V . Gau
n su(2)V promotes this global symmetry to a local symmetry. In unit
local su(2)V transformation to remove 'V from the theory. It appear
l polarization of the massive gauge bosons. We may express 'V in ter
ng this mixing in the kinetic terms:
|DH|2
+ Tr |D |2
g
⇣v
2
@'+
H + f@'+
⌘
W + h.c. g
v
2
@'0
HA .
breaks the u(1) symmetry so that the A eats the only neutral Goldsto
the charged states for which there are two pairs of charged Goldstone
rged gauge bosons; see Appendix A for an illustrative u(1) example. F
normalized su(2)V Goldstone 'V and the orthogonal state 'A:
'±
V =
f'±
+ (v/2)'±
H
p
f2 + (v/2)2
'±
A =
f'±
H (v/2)'±
p
f2 + (v/2)2
.
gauge, '±
V only appears as the longitudinal mode of W±
. The ‘axial’ c
en Goldstone boson that remains in the theory. We refer to these as pio
anticipation of including explicit symmetry breaking terms to make th
31. f l i p . t a n e d o @ u c r . e d u 57
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e.g. Direct Detection
Dent et al. 1505.03117
TABLE X. Non-relativistic reduction of operators for a spin-1 WIMP
Scalar Mediator
X†
µXµq̄q ≠æ
3
b1hN
1
m2
„
4
O1
X†
µXµq̄“5q ≠æ
3
b1hN
2
m2
„
4
O10
Vector Mediator
(X†
‹ˆµX‹ ≠ ˆµX†
‹X‹)(q̄“µq) ≠æ 0
(X†
‹ˆµX‹ ≠ ˆµX†
‹X‹)(q̄“µ“5q) ≠æ
3
≠3b5hN
4
m2
G
mN
mX
4
O10
ˆ‹(X‹†Xµ + X†
µX‹)(q̄“µq) ≠æ
3
Re(b6)hN
3
m2
G
mN
mX
4
(O5 + O6 ≠ q2
m2
N
O4)
ˆ‹(X‹†Xµ + X†
µX‹)(q̄“µ“5q) ≠æ
3
≠
2Re(b6)hN
4
m2
G
mN
mX
4
O9
ˆ‹(X‹†Xµ ≠ X†
µX‹)(q̄“µq) ≠æ
3
≠
4Im(b6)hN
3
m2
G
mN
mX
4
O17
ˆ‹(X‹†Xµ ≠ X†
µX‹)(q̄“µ“5q) ≠æ
3
4Im(b6)hN
4
m2
G
mN
mX
4
O18
‘µ‹fl‡
1
X‹†ˆflX‡ + X‹ˆflX‡†
2
(q̄“µq) ≠æ
3
Re(b7)hN
3
m2
G
mN
mX
4
O11
‘µ‹fl‡
1
X‹†ˆflX‡ + X‹ˆflX‡†
2
(q̄“µ“5q) ≠æ
3
Re(b7)hN
4
m2
G
mN
mX
4
(i q2
mX mN
O4 ≠ imN
mX
O6 ≠ 2O14)
‘µ‹fl‡
1
X‹†ˆflX‡ ≠ X‹ˆflX‡†
2
(q̄“µq) ≠æ
3
2Im(b7)hN
3
m2
G
4
(O8 + O9)
‘µ‹fl‡
1
X‹†ˆflX‡ ≠ X‹ˆflX‡†
2
(q̄“µ“5q) ≠æ
3
4Im(b7)hN
4
m2
G
4
O4
Charged Spinor Mediator
(X†
µX‹)(q̄“µ“‹q) ≠æ
3
y†
3y3≠y†
4y4
mQmX
4 1
fN
TqO1 + 2”N
q O4
2
3 † †
4
SI from Higgs
(erratum soon)
32. f l i p . t a n e d o @ u c r . e d u 57
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Effect of mu
μ encodes post-NLΣM interactions of pions
-10 -5 0 5 10
-10
-5
0
5
10
-10 -5 0 5 10
-10
-5
0
5
10
-10 -5 0 5 10
-10
-5
0
5
10
f
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v
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µ
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<latexit sha1_base64="9g8EBdnnKp0xDPeBkQpAcaTZhyk=">AAAB6nicdVDLSsNAFL3xWeur6tLNYBFchaTWJsuiG5cV7QPaUCbTSTt0JgkzE6GEfoIbF4q49Yvc+TdOH4KKHrhwOOde7r0nTDlT2nE+rJXVtfWNzcJWcXtnd2+/dHDYUkkmCW2ShCeyE2JFOYtpUzPNaSeVFIuQ03Y4vpr57XsqFUviOz1JaSDwMGYRI1gb6bYnsn6p7NjuhetXasixq37N8z1DvKp7XvOQaztzlGGJRr/03hskJBM01oRjpbquk+ogx1Izwum02MsUTTEZ4yHtGhpjQVWQz0+dolOjDFCUSFOxRnP1+0SOhVITEZpOgfVI/fZm4l9eN9ORH+QsTjNNY7JYFGUc6QTN/kYDJinRfGIIJpKZWxEZYYmJNukUTQhfn6L/Satiuyarm2q5frmMowDHcAJn4IIHdbiGBjSBwBAe4AmeLW49Wi/W66J1xVrOHMEPWG+f4M2OMQ==</latexit>
metry Breaking with , 0
, µ
e µ term in the potential explicitly breaks su(2) ⇥ su(2)H ! su(2)V
oportional to µ:
V | , 0,µ =
4!
2 Tr 2
f2
0
2
+
0
4!
2|H|2
v2
0
2
+ µH†
H .
minimum of the potential from (3.13) to the following condition:
f2
= f2
0 +
3µv2
2 f
v2
= v2
0 +
3µf
0
.
33. f l i p . t a n e d o @ u c r . e d u 57
TEXAS A&M / MITCHELL INSTITUTE
33
Pion mediator?
Ann Nelson et al. 1809.09667; FT and Javi Serra in progress
Dark Matter Mediator
Standard
Model
Higgs
composite
DIRAC FERMION
SO(6)/SO(5)
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SO(6) SO(4) ⇠
= SU(2)L ⇥ SU(2)R
<latexit sha1_base64="ZZJrKhwIvlY/gzmCAjHI/kwJExE=">AAACF3icbVDLTgIxFO3gC/E16tJNIzGBDZkhRF0S3bgwEUUeCUNIpxRo6HQm7R0TQvgLN/6KGxca41Z3/o0FZqHgSZqce869ub3HjwTX4DjfVmpldW19I72Z2dre2d2z9w/qOowVZTUailA1faKZ4JLVgINgzUgxEviCNfzh5dRvPDCleSjvYRSxdkD6kvc4JWCkjl2o3uRO856OI80Am6KUxx4NZR9Xa7livnPtAQ+YTqq7jp11Cs4MeJm4CcmiBJWO/eV1QxoHTAIVROuW60TQHhMFnAo2yXixZhGhQ9JnLUMlMcva49ldE3xilC7uhco8CXim/p4Yk0DrUeCbzoDAQC96U/E/rxVD77w95jKKgUk6X9SLBYYQT0PCXa4YBTEyhFDFzV8xHRBFKJgoMyYEd/HkZVIvFlyn4N6WsuWLJI40OkLHKIdcdIbK6ApVUA1R9Iie0St6s56sF+vd+pi3pqxk5hD9gfX5A6vqnHo=</latexit>
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<latexit sha1_base64="ZZJrKhwIvlY/gzmCAjHI/kwJExE=">AAACF3icbVDLTgIxFO3gC/E16tJNIzGBDZkhRF0S3bgwEUUeCUNIpxRo6HQm7R0TQvgLN/6KGxca41Z3/o0FZqHgSZqce869ub3HjwTX4DjfVmpldW19I72Z2dre2d2z9w/qOowVZTUailA1faKZ4JLVgINgzUgxEviCNfzh5dRvPDCleSjvYRSxdkD6kvc4JWCkjl2o3uRO856OI80Am6KUxx4NZR9Xa7livnPtAQ+YTqq7jp11Cs4MeJm4CcmiBJWO/eV1QxoHTAIVROuW60TQHhMFnAo2yXixZhGhQ9JnLUMlMcva49ldE3xilC7uhco8CXim/p4Yk0DrUeCbzoDAQC96U/E/rxVD77w95jKKgUk6X9SLBYYQT0PCXa4YBTEyhFDFzV8xHRBFKJgoMyYEd/HkZVIvFlyn4N6WsuWLJI40OkLHKIdcdIbK6ApVUA1R9Iie0St6s56sF+vd+pi3pqxk5hD9gfX5A6vqnHo=</latexit>
GLOBAL SYMMETRY
34. f l i p . t a n e d o @ u c r . e d u 57
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34
An SO(6) basis
Reminder: SO(6) ⊃ SO(4) ≃ SU(2)L x SU(2)R (custodial symmetry)
MEDIATOR
U(1) SYM
BROKEN
⌃0 = (0, 0, 0, 0, 0, 1)T
VEV
35. f l i p . t a n e d o @ u c r . e d u 57
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35
Goldstone Parameterization
the generator basis given in Appendix A.1,
U =
1
f
0
B
B
B
B
@
f13⇥3 · · ·
· f h2
f+
p
f2 h2 ⌘2
h⌘
f+
p
f2 h2 ⌘2
h
· h⌘
f+
p
f2 h2 ⌘2
f ⌘2
f+
p
f2 h2 ⌘2
⌘
· h ⌘
p
f2 h2 ⌘2
1
C
C
C
C
A
he NGB decay constant, and the entries with a dot are zero. In this basi
metry acts on the upper-left 4⇥4 block. We project out the unbroken SO
eft 5 ⇥ 5 block, by contracting with the vector ⌃0 = (0 0 0 0 0 1)T
. Fro
eld
⌃ = U⌃0 =
1
f
(0 0 0 h ⌘
p
f2 h2 ⌘2)T
,
se to construct SO(6) invariants.
etic terms and non-linear interactions between the NGBs, to leading or
derivatives, O(@2
), is given by the invariant operator
2 ✓
U(1) associated with singlet
Goldstones: act on vacuum
with broken generators, promote
transformation parameters to fields
UNITARY GAUGE
(REMOVE EATEN GOLDSTONES)
36. f l i p . t a n e d o @ u c r . e d u 57
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36
Symmetry Structure
37. f l i p . t a n e d o @ u c r . e d u 57
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What the theory looks like
NLΣM
dark matter
embedding
visible matter
embedding
CHOICES LEAD TO
- HIGGS POTENTIAL
- MEDIATOR POTENTIAL
CHOICES LEAD TO
MEDIATOR POTENTIAL
IRREDUCIBLE
INTERACTIONS
OUTPUTS:
MEDIATOR MASS AS A
FUNCTION OF DISCRETE
CHOICES AND DM MASS
COMPOSITE HIGGS
SPECIFY BREAKING SCALE f
GIVES MEASURE OF TUNING