## Abstract

Using [Formula Presented] of [Formula Presented] data collected at the [Formula Presented] with the CLEO detector using the Cornell Electron Storage Ring, measurements are reported for both the branching fractions and the helicity amplitudes for the decays [Formula Presented] and [Formula Presented] The fraction of longitudinal polarization in [Formula Presented] is found to be consistent with that in [Formula Presented] at [Formula Presented] indicating that the factorization approximation works well. The longitudinal polarization in the [Formula Presented] mode is similar. The measurements also show evidence of nontrivial final-state interaction phases for the helicity amplitudes.

Original language | English (US) |
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Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |

Volume | 67 |

Issue number | 11 |

DOIs | |

State | Published - 2003 |

## ASJC Scopus subject areas

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