Search for CP violation in tau decays

Details Search for CP violation in tau decays Search for CP violation in tau decays

2001-04-11

arxiv.org/abs/hep-ex/0104023v1

Physics

High Energy Physics

High Energy Physics - Experiment

Talk given at Frontiers in Contemporary Physics-II (FCP01), a lecture and workshop series at Vanderbilt University, Nashville

Scientific paper

The results of the searches for CP non-conservation in the decays of tau leptons are presented. No evidence of violation of CP symmetry is observed neither in CLEO nor in BELLE data. Interpretation of these results is done within the framework of a model with a scalar boson exchange. Limits on the imaginary part of the coupling constant \Lambda, parameterizing the relative contribution of diagrams that would lead to CP violation, are -0.046 <\Im(\Lambda) < 0.022 at 90% C.L. and |\Im(\Lambda)| < 1.7 at 90% C.L. in tau-> pi pi^0 nu_{\tau} and tau-> K pi^0 nu_{\tau} modes, respectively.

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