First search for CP violation in tau lepton decay

CLEO Collaboration

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

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 → K0 π ν. We define an observable asymmetry to exploit this and find no evidence for any CP violation.

Original languageEnglish (US)
Pages (from-to)3823-3827
Number of pages5
JournalPhysical Review Letters
Volume81
Issue number18
DOIs
StatePublished - 1998

ASJC Scopus subject areas

  • General Physics and Astronomy

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