Physics at the CLIC Multi-TeV Linear Collider
CERN Yellow Reports: Conference Proceedings(2004)
摘要
This report summarizes a study of the physics potential of the CLIC e+e-
linear collider operating at centre-of-mass energies from 1 TeV to 5 TeV with
luminosity of the order of 10^35 cm^-2 s^-1. First, the CLIC collider complex
is surveyed, with emphasis on aspects related to its physics capabilities,
particularly the luminosity and energy, and also possible polarization,
\gamma\gamma and e-e- collisions. The next CLIC Test facility, CTF3, and its
R&D programme are also reviewed. We then discuss aspects of experimentation at
CLIC, including backgrounds and experimental conditions, and present a
conceptual detector design used in the physics analyses, most of which use the
nominal CLIC centre-of-mass energy of 3 TeV. CLIC contributions to Higgs
physics could include completing the profile of a light Higgs boson by
measuring rare decays and reconstructing the Higgs potential, or discovering
one or more heavy Higgs bosons, or probing CP violation in the Higgs sector.
Turning to physics beyond the Standard Model, CLIC might be able to complete
the supersymmetric spectrum and make more precise measurements of sparticles
detected previously at the LHC or a lower-energy linear e+e- collider:
\gamma\gamma collisions and polarization would be particularly useful for these
tasks. CLIC would also have unique capabilities for probing other possible
extensions of the Standard Model, such as theories with extra dimensions or new
vector resonances, new contact interactions and models with strong WW
scattering at high energies. In all the scenarios we have studied, CLIC would
provide significant fundamental physics information beyond that available from
the LHC and a lower-energy linear e+e- collider, as a result of its unique
combination of high energy and experimental precision.
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关键词
higgs particle,background,supersymmetry,cp violation,photon structure function,luminosity,bibliography
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