LC Physics Study Group Meeting Introduction
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Transcript of LC Physics Study Group Meeting Introduction
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LC Physics Study Group Meeting
Introduction
2003.4.25 at KEK
Yasuhiro Okada (KEK)
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Past activities on LC physics study (among theorists and experimentalists) .
• JLC-1 (92)• World-wide LCWS
91, 93, 95(Morioka),99,00, 02(Jeju) • ACFA LCWS
98(Beijing), 99(Seoul), 00(Taipei), 01(Beijing), 02(Tokyo)
• ACFA report on “Physics and Experiments at JLC” (02)
• “Roadmap” report, JLC project (03)
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Higgs physics
mh=120 GeV,Lint=500/fb
Detection
Coupling measurements
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SupersymmetrySmuon production
Chargino production
GUT relation
SUSY relation
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Top and W boson
Mass and width determination by top threshold scan
Sensitivity to tripleGauge boson coupling constants
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Things calculated only theoretically, … Higgs self-coupling measurement
Y.Yasui, et.al.
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Heavy Higgs boson in MSSM
LC (Contours of production cross sections) LHC
S.Kiyoura, et. al.
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Extra-dimensions
K. Odagiri
Determination of the number ofextra-dimensions by the missing-massdistribution.
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Heavy Higgs boson production in a photon-photon collider
ttA H,
A : solid line H: long-dashed
E.Asakawa, et. al..
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Physics research at each stage of energy and integrated luminosity
Roadmap report
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• Many issues remain to be studied.
• Simulation studies are necessary to evaluate detection efficiencies and backgrounds for some important processes.
Roadmap report
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Today’s meeting
• Hear a report on past/on-going activities from each “group”.
( Higgs, New Physics, Top, Gamma-gamma, Luminosity, +World-wide study on LHC/LC)• Set next goals for each group.• Discuss how to proceed.• We should present many results, for
example, at LCWS 2004 and ACFA LCWS 2003.
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To be discussed
• Form working groups and choose conveners.• List items to be studied.• Decide analysis methods (platform, etc.).• List activities involving both theorists and
experimentalists.• Set up rough schedule of activities.• Decide immediate next steps (tutorial school for
beginners, etc. )
etc. etc.