Document Type

Article

Publication Date

5-10-2005

Abstract

A sensitive search for the lepton-number-violating decay Ξ-→pμ-μ- has been performed using a sample of ∼109  Ξ- hyperons produced in 800  GeV/c p-Cu collisions. We obtain B(Ξ-→pμ-μ-)<4.0×10-8 at 90% confidence, improving on the best previous limit by 4 orders of magnitude.

DOI

10.1103/PhysRevLett.94.181801

Version

Publisher's PDF

Comments

© 2005 The American Physical Society. The original publication is available at http://link.aps.org/doi/10.1103/PhysRevLett.94.181801

Original Citation

Phys. Rev. Lett. 94, 181801 (2005)

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Physics Commons

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