Title

Search for CP violation in τ → ππ0ντ decay

Document Type

Article

Publication Date

11-1-2001

Abstract

We search for CP nonconservation in the decays of τ leptons produced via e e annihilation at √s ∼ 10.6 GeV. The method uses correlated decays of pairs of τ leptons, each decaying to the ππ ν final state. The search is done within the framework of a model with a scalar boson exchange. In an analysis of a data sample corresponding to 12.2×10 produced τ pairs collected with the CLEO detector, we find no evidence of violation of CP symmetry. We obtain a limit on the imaginary part of the coupling constant parametrizing the relative contribution of diagrams that would lead to CP violation to be -0.046

Publication Name

Physical Review D

Volume Number

64

Issue Number

9

Article

092005

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