Measurement of the branching fraction B(tau- --> K0 pi- nu) using the BaBar detector

Details Measurement of the branching fraction B(tau- --> K0 pi- nu) using the BaBar detector Measurement of the branching fraction B(tau- --> K0 pi- nu) using the BaBar detector

2008-08-07

arxiv.org/abs/0808.1121v2

Nucl.Phys.Proc.Suppl.189:193-198,2009

Physics

High Energy Physics

High Energy Physics - Experiment

17 pages, 3 figures, submitted to ICHEP 2008

Scientific paper

10.1016/j.nuclphysbps.2009.03.03

A preliminary measurement of the branching fraction B(tau- --> K0 pi- nu) is made using 384.6 fb-1 of e+e- collision data provided by the PEP-II collider, operating primarily at sqrt(s)=10.58 GeV, and recorded using the BaBar detector. From this we measure: B(tau- --> K0 pi- nu) = (0.840 +/- 0.004 (stat) +/- 0.023 (syst)) %. This result is the most precise measurement to date and is consistent with the world average.

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