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Measurement of the π−π0 spectral function in the decay τ− → π−π0ντ

✍ Scribed by H. Hayashii

Publisher: Elsevier Science
Year: 2004
Tongue: English
Weight: 633 KB
Volume: 131
Category: Article
ISSN: 0920-5632
DOI: 10.1016/j.nuclphysbps.2004.02.018

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✦ Synopsis

We report on a measurement of the Ir~r spectral function in the decay T--+ Ir-vr%,, using the data taken with the Belle detector operating at the KEKB e+e -collider. The resonance parameters associated with p(770)-and p(1450)-mesons are extracted and compared with the previous experiments. We also report on the effect of our data on the hadronic component of the anomalous magnetic moment of the muon, a, = (g, -2)/2.

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