### Abstract

We have searched for the decay (Formula presented) and measured an upper limit for the inclusive branching fraction of (Formula presented) at the 90% confidence level. This limit is small compared with the total expected (Formula presented) rate. Assuming factorization, the (Formula presented) decay constant is constrained to be (Formula presented)<114 MeV at the 90% confidence level, at least 2.5 times smaller than that of (Formula presented).

Original language | English (US) |
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Pages (from-to) | 3847-3853 |

Number of pages | 7 |

Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |

Volume | 57 |

Issue number | 7 |

DOIs | |

State | Published - Jan 1 1998 |

### ASJC Scopus subject areas

- Nuclear and High Energy Physics
- Physics and Astronomy (miscellaneous)

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## Cite this

*Physical Review D - Particles, Fields, Gravitation and Cosmology*,

*57*(7), 3847-3853. https://doi.org/10.1103/PhysRevD.57.3847