CP violation in hadronic tau decays

Details CP violation in hadronic tau decays CP violation in hadronic tau decays

2008-06-27

arxiv.org/abs/0806.4585v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 1 figure, Flavor Physics & CP Violation Conference, Taipei, 2008; note added to correct an incorrect statement in the

Scientific paper

We examine CP violation in the Delta S=0 decays tau -> omega pi nu_tau and tau -> a_1 pi nu_tau and the Delta S=1 decay tau -> K pi pi nu_tau. We assume that the new physics is a charged Higgs. We show that sizeable CP-violating effects are possible in tau -> a_1 pi nu_tau (polarization-dependent rate asymmetry) and tau -> omega pi nu_ tau (triple-product asymmetry). The Delta S=1 decay tau -> K pi pi nu_tau can proceed via several resonances. We construct two modified rate asymmetries and a triple product asymmetry for this decay and discuss the potential sensitivities of these asymmetries.

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