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Inclusive η production in τ decays
Journal article   Peer reviewed

Inclusive η production in τ decays

S. Abachi, P. Baringer, B.G. Bylsma, R. de Bonte, D.S. Koltick, E.H. Low, R.L. McIlwain, D.H. Miller, C.R. Ng, L.K. Rangan, …
Physics letters. B, Vol.197(1-2), pp.291-294
10/22/1987
DOI: 10.1016/0370-2693(87)90386-8
url
https://doaj.org/article/a3e4a9921f7a4fe8a99c5e00b789c137View
Open Access

Abstract

We have searched for inclusive η production in τ decays using a data sample of 2553 events of e+e- →τ+τ- in the one-three topology. The data were obtained using the High Resolution Spectrometer at √s=29 GeV. A 90% confidence level upper limit on the process τ± →π±ηX of 2.1% is found. Using τ decays to five charged particles limits of 0.5% on τ± →π±ηηX and 0.3% on τ± →π±π+π-ηX are also obtained.

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