Title

Hadronic structure in the decay [formula presented]

Document Type

Article

Publication Date

1-1-2000

Abstract

We report on a study of the invariant mass spectrum of the hadronic system in the decay (Formula presented) This study was performed with data obtained with the CLEO II detector operating at the CESR (Formula presented) collider. We present fits to phenomenological models in which resonance parameters associated with the (Formula presented) and (Formula presented) mesons are determined. The (Formula presented) spectral function inferred from the invariant mass spectrum is compared with data on (Formula presented) as a test of the conserved vector current theorem. We also discuss the implications of our data with regard to estimates of the hadronic contribution to the muon anomalous magnetic moment. © 2000 The American Physical Society.

Publication Name

Physical Review D - Particles, Fields, Gravitation and Cosmology

Volume Number

61

Issue Number

11

DOI

10.1103/PhysRevD.61.112002

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