Search For Non-Standard Model CP/T violation At Tau-Charm Factory

Details Search For Non-Standard Model CP/T violation At Tau-Charm Factory Search For Non-Standard Model CP/T violation At Tau-Charm Factory

1996-09-02

arxiv.org/abs/hep-ph/9609220v1

Phys.Rev. D55 (1997) 1643-1652

Physics

High Energy Physics

High Energy Physics - Phenomenology

30 pages, 2 figures in ps files

Scientific paper

10.1103/PhysRevD.55.1643

We systematically investigate the possibility of finding CP/T violation in the $\tau$ sector at Tau-Charm Factory. CP/T violation may occur at $\tau$ pair production process, expressed as electric dipole moment, and at $tau$ decay processes. By assuming that electric dipole moment as large as $10^{-19}$e-cm and CP/T violation effect orignating from $\tau$ decay as large as $10^{-3}$ are observable at Tau-Charm Factory, we studied all the possible extensions of the SM which are relevent for generating CP/T violation in $\tau$ sector. And we pointed there are a few kind of models, which are hopeful for generating such CP/T violation. For these models we consider all the theoretical and current experimental constraints and find that there exists some parameter space which will result in a measurable CP/T violation. Therefore we conclude that Tau-Charm Factory is a hopeful place to discover CP/T violation in $\tau$ sector.

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