✦ LIBER ✦

Decays τ → Khh(π0)ντ, KKh(π0)ντ from CLEO

✍ Scribed by Ilya Kravchenko

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 433 KB
Volume: 76
Category: Article
ISSN: 0920-5632
DOI: 10.1016/s0920-5632(99)00489-2

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✦ Synopsis

Using a sample of 4.7 fb -1 integrated luminosity accumulated with the CLEO-II detector at the Cornell Electron Storage Ring (CESR), we have measured the ratios of branching fractions .52 ± 0.14 + 0.29) x 10 -2, and the upper limit: ~(r-~ K-K+Tr-Tr°t/r)/l~(T -~ h-h+h-Tr°u~.) < 0.0154 at 95% C.L. We also investigated the mass spectrum and resonant structure in ~----~ K-lr + 7r-u, decays. Relative fractions of K1 (1270) and K1 (1400) resonances in these decays are measured. We study interference effects and the possibility of a non-zero strong phase in this process.

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