Title

First search for CP violation in tau lepton decay

Document Type

Article

Publication Date

1-1-1998

Abstract

We have performed the first search for CP violation in tau lepton decay. CP violation in lepton decay does not occur in the minimal standard model but can occur in extensions such as the multi-Higgs doublet model. It appears as a characteristic difference between the τ and τ decay angular distributions for the semileptonic decay modes such as τ → K π ν. We define an observable asymmetry to exploit this and find no evidence for any CP violation. © 1998 The American Physical Society. − + − 0 −

Publication Name

Physical Review Letters

Volume Number

81

First Page

3823

Last Page

3827

Issue Number

18

DOI

10.1103/PhysRevLett.81.3823

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