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Measurement of the Bs0 lifetime in fully and partially reconstructed Bs0?Ds-(Fp -)X decays in p¯p collisions at vs=1.96TeV

Abstract: We present a measurement of the B0s lifetime in fully and partially reconstructed B0s?D?s(???)X decays in 1.3??fb?1 collected in p¯p collisions at ?s=1.96??TeV by the CDF II detector at the Fermilab Tevatron. We measure ?(B0s)=1.518±0.041(stat)±0.027(syst)??ps. The ratio of this result and the world average B0 lifetime yields ?(B0s)/?(B0)=0.99±0.03, which is in agreement with recent theoretical predictions.

 Autoría: Aaltonen T., Álvarez González B., Amerio S., Amidei D., Anastassov A., Annovi A., Antos J., Apollinari G., Appel J.A., Apresyan A., Arisawa T., Artikov A., Asaadi J., Ashmanskas W., Auerbach B., Aurisano A., Azfar F., Badgett W., Barbaro-Galtieri A., Barnes V.E., Barnett B.A., Barria P., Bartos P., Bauce M., Bauer G., Bedeschi F., Beecher D., Behari S., Bellettini G., Bellinger J., Benjamin D., Beretvas A., Bhatti A., Binkley M.,

 Fuente: Physical Review Letters, 2011, 107(27), 272001

 Editorial: American Physical Society

 Fecha de publicación: 01/12/2011

 Nº de páginas: 7

 Tipo de publicación: Artículo de Revista

 DOI: 10.1103/PhysRevLett.107.272001

 ISSN: 0031-9007,1079-7114

 Url de la publicación: https://doi.org/10.1103/PhysRevLett.107.272001

Autoría

AALTONEN, T.

BARBARA ALVAREZ GONZALEZ

BRUNO CASAL LARAÑA

FRANCISCO JAVIER CUEVAS MAESTRO

JOSE ENRIQUE PALENCIA CORTEZON