J-PARC  Pinghan Chu University of Illinois at Urbana-Champaign ACC 2007 Summer <ul><li>J-PARC Facility </li></ul><ul><li>P...
The High Intensity Frontier <ul><li>J-PARC aims for the high intensity frontier for </li></ul><ul><li>- materials/life sci...
J-PARC Facility J-PARC = Japan Proton Accelerator Research Complex Joint Project between KEK and JAEA Nuclear Transmutatio...
Tsukuba Tokai 1 hour 295 km JAEA Location of J-PARC at Tokai
Phase 1 and Phase 2 JAEA Portion KEK Portion
Beam Performance <ul><li>MR Beam Energy = 50 GeV </li></ul><ul><li>RCS Beam Energy = 3 GeV </li></ul><ul><li>Linac Energy ...
Goals of J-PARC High intensity proton beam leads to high intensity secondary (neutron, kaon, muon, neutrino) beam. Radioac...
Materials and Life Experimental Facility 3 .  研究課題と研究施設
Muon Experimental Area Neutron Scattering Area Materials & Life Experimental Facility Proton  Beam Experimental Devices Ne...
Neutrino Experimental Facility 295 km West Super Kamiokande
T2K Experiment Muon neutrino beam J-PARC Intense neutrino beam by 100 times at KEK 12 GeV PS T2K = Tokai to Kamioka (Tokai...
From K2K to T2K Best fit With oscillation Without oscillation Data since 1999 K2K =  KEK to  Kamioka 107 events observed (...
Hadron Experimental Facility Number of Users : about 600
Beam Dump A-Line Hadron Experimental Hall (Phase 1) Experimental Area Test Beam (on the guide rail for Phase 2)
Beamline <ul><li>K1.8 beamline:  High quality kano beamline (1.8 GeV/c), for  hypernuclear study, especially of S=-2 syste...
Hadron Physics: Sea Quark at Large X_bj <ul><li>Proton beams + hydrogen/deuterium/A target + dimuon(Drell-Yan process) spe...
Beam Commissioning of the Accelerators <ul><li>Dec. 2006: Beam commissioning of the Linac was started. </li></ul><ul><li>J...
Schedule of 50 GeV Facilities <ul><li>May-Jun, 2008: Fist beam commissioning of the 50 GeV accelerator. </li></ul><ul><li>...
Summary <ul><li>J-PARC will be  the highest intensity accelerator complex  of the GeV and ten-GeV energy regions in the wo...
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J-PARC

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My 598 ACC final report about J-PARC in UIUC, 2007 Summer. An introduction about J-PARC, Japan Proton Accelerator Research Complex.

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  • J-PARC

    1. 1. J-PARC Pinghan Chu University of Illinois at Urbana-Champaign ACC 2007 Summer <ul><li>J-PARC Facility </li></ul><ul><li>Physics motivations for J-PARC </li></ul>
    2. 2. The High Intensity Frontier <ul><li>J-PARC aims for the high intensity frontier for </li></ul><ul><li>- materials/life sciences (3GeV) </li></ul><ul><li>- nuclear/particle physics (50GeV) </li></ul><ul><li>High intensity proton beam leads to high intensity secondary (neutron, kaon, muon, neutrino) beam. </li></ul><ul><li>Neutron: from 0.16MW(ISIS) to 1MW </li></ul><ul><li>K meson: 5 to 10 times more intense than BNL-AGS </li></ul>
    3. 3. J-PARC Facility J-PARC = Japan Proton Accelerator Research Complex Joint Project between KEK and JAEA Nuclear Transmutation 3 GeV Synchrotron (25 Hz, 1MW) Hadron Beam Facility Materials and Life Science Experimental Facility Neutrino to Kamiokande 50 GeV Synchrotron (0.75 MW) 500 m Linac (330m)
    4. 4. Tsukuba Tokai 1 hour 295 km JAEA Location of J-PARC at Tokai
    5. 5. Phase 1 and Phase 2 JAEA Portion KEK Portion
    6. 6. Beam Performance <ul><li>MR Beam Energy = 50 GeV </li></ul><ul><li>RCS Beam Energy = 3 GeV </li></ul><ul><li>Linac Energy = </li></ul><ul><ul><li>400 MeV to RCS </li></ul></ul><ul><ul><li>600 MeV to ADS </li></ul></ul><ul><li>Repetition = 3.4~5-6 Sec </li></ul><ul><li>Flat Top Width = 0.7~2-3 Sec </li></ul><ul><li>Beam Intensity = 3.3x10 14 ppp, 16uA </li></ul><ul><li>Beam Power = 750 kW </li></ul>
    7. 7. Goals of J-PARC High intensity proton beam leads to high intensity secondary (neutron, kaon, muon, neutrino) beam. Radioactive Nuclei Nuclear & Particle Physics at 50 GeV Materials & Life Sciences at 3 GeV R&D toward Transmutation at 0.6 GeV
    8. 8. Materials and Life Experimental Facility 3 . 研究課題と研究施設
    9. 9. Muon Experimental Area Neutron Scattering Area Materials & Life Experimental Facility Proton Beam Experimental Devices Neutron Beam Lines (23 total) Neutron Beam Lines (23 total) Target Station Scattered Neutrons Proton Beam Number of Users : about 3,000
    10. 10. Neutrino Experimental Facility 295 km West Super Kamiokande
    11. 11. T2K Experiment Muon neutrino beam J-PARC Intense neutrino beam by 100 times at KEK 12 GeV PS T2K = Tokai to Kamioka (Tokai ) (Kamioka)   Detection of   at Super Kamiokande  Totally new experiment   Change to   Disappearance of     High Statistics T2K ( Five year data at KEK-PS can be measured within a few weeks at J-PARC )   Change to
    12. 12. From K2K to T2K Best fit With oscillation Without oscillation Data since 1999 K2K = KEK to Kamioka 107 events observed (151 events expected without any oscillations)  99.99% confident that  carries a finite mass. T2K = Tokai to Kamioka (not yet an official name) Flux (   ) at J-PARC 50 GeV PS > 100 x Flux (   ) at KEK 12 GeV PS
    13. 13. Hadron Experimental Facility Number of Users : about 600
    14. 14. Beam Dump A-Line Hadron Experimental Hall (Phase 1) Experimental Area Test Beam (on the guide rail for Phase 2)
    15. 15. Beamline <ul><li>K1.8 beamline: High quality kano beamline (1.8 GeV/c), for hypernuclear study, especially of S=-2 systems, using ( Pi , K ),( K , Pi ),and ( K , K ) reactions. </li></ul><ul><li>K1.1/K0.8 beamline: High quality kaon beamline with lower momenta. Suitable for stopped kaon experiments as well as K+ decay experiments, etc. </li></ul><ul><li>K0 beamline: Specifically designed for </li></ul>
    16. 16. Hadron Physics: Sea Quark at Large X_bj <ul><li>Proton beams + hydrogen/deuterium/A target + dimuon(Drell-Yan process) spectrometer </li></ul><ul><ul><li>dbar/ubar(flavor asymmetry) at large x </li></ul></ul><ul><ul><li>antiquark PDF in A </li></ul></ul><ul><ul><li>PDF in large x </li></ul></ul><ul><ul><li>Drell-Yan and J/Psi with polarized beam </li></ul></ul><ul><li>Direct investigation of quark-gluon multibody system </li></ul>
    17. 17. Beam Commissioning of the Accelerators <ul><li>Dec. 2006: Beam commissioning of the Linac was started. </li></ul><ul><li>Jan. 24, 2007: The Linac accelerated 181 MeV=Design Energy protons with 0.25uA current(Gaol is 200uA) </li></ul><ul><li>May, 2007: Beam commissioning of the 3 GeV RCS was started. </li></ul><ul><li>May, 2008: Beam commissioning of the 50 GeV MR will be started. </li></ul>
    18. 18. Schedule of 50 GeV Facilities <ul><li>May-Jun, 2008: Fist beam commissioning of the 50 GeV accelerator. </li></ul><ul><li>Jun-Oct, 2008: Installation of slow extraction equipments (ES septum, septum magnets, etc. and the rest of neutrino beamline equipments.) </li></ul><ul><li>Dec, 2008-Mar, 2009: First extraction to the Hadron facility with slow extraction. </li></ul><ul><li>Apr, 2009: First extraction to the neutrino beamline with fast extration. </li></ul>
    19. 19. Summary <ul><li>J-PARC will be the highest intensity accelerator complex of the GeV and ten-GeV energy regions in the world. </li></ul><ul><li>The major aims are materials/life sciences by RCS(3GeV), nuclear and particle physics by MR (50 GeV) and R&D for nuclear transmutation technology by Linac (600 MeV). </li></ul><ul><li>This is a wide variety of physics possibilities, including, hypernuclei , hadron physics -- Drell-Yan and quarkonium production , vector mesons , neutrino beam , etc. </li></ul>

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