Branching fraction of tau(-) -> pi(-KsKs0)-K-0(pi(0))nu(tau) decays

Ferroni, Fernando

doi:10.1103/physrevd.86.092013

We present a study of tau(-) -> pi(-KsKs0)-K-0(pi(0))nu(tau) and tau(-) -> (K-KsKs0)-K-0(pi(0))nu(tau) decays using a data set of 430 million tau lepton pairs, corresponding to an integrated luminosity of 468 fb(-1), collected with the BABAR detector at the PEP-II asymmetric energy e(+)e(-) storage rings. We measure branching fractions of (2.31 +/- 0.04 +/- 0.08) x 10(-4) and (1.60 +/- 0.20 +/- 0.22) x 10(-5) for the tau(-) -> pi(-KsKs0)-K-0 nu(tau) and tau(-) -> pi(-KsKs0)-K-0 pi(0)nu(tau) decays, respectively. We find no evidence for tau(-) -> (K-KsKs0)-K-0 nu(tau) and tau(-) -> (K-KsKs0)-K-0 pi(0)nu(tau) decays and place upper limits on the branching fractions of 6.3 x 10(-7) and 4.0 x 10(-7) at the 90% confidence level.

Titolo:	Branching fraction of tau(-) -> pi(-KsKs0)-K-0(pi(0))nu(tau) decays
Autori:	FERRONI, Fernando
Data di pubblicazione:	2012
Rivista:	PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Handle:	http://hdl.handle.net/20.500.12571/2055
Appare nelle tipologie:	1.1 Articolo in rivista

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http://hdl.handle.net/20.500.12571/2055

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