P and T Odd Asymmetries in Lepton Flavor Violating Tau Decays

Details P and T Odd Asymmetries in Lepton Flavor Violating Tau Decays P and T Odd Asymmetries in Lepton Flavor Violating Tau Decays

2000-12-05

arxiv.org/abs/hep-ph/0012040v1

Phys.Rev. D63 (2001) 113003

Physics

High Energy Physics

High Energy Physics - Phenomenology

31 pages, 5 figures

Scientific paper

10.1103/PhysRevD.63.113003

We calculated the differential cross sections of the processes in which one of the pair created tau particles at an e^+ e^- collider decays into lepton flavor violating final states e.g. tau -> mu gamma, tau -> 3 mu, tau -> mu ee. Using the correlations between angular distributions of both sides of tau decays, we can obtain information on parity and CP violations of lepton flavor non-conserving interactions. The formulae derived here are useful in distinguishing different models, since each model of physics beyond the standard model predicts different angular correlations. We also calculate angular distributions of the major background process to tau -> l gamma search, namely tau -> l nu \bar{\nu} gamma, and discuss usefulness of the angular correlation for background suppression.

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