Combined results on b-hadron production rates and decay properties

D Abbaneo,Juan J Alcaraz, V Andreev, E Barberio,Marco Battaglia,S Blyth,Gemma Boix, M Calvi, P Checchia,Philip Coyle,Lucia Di Ciaccio,Pauline Gagnon,Richard John Hawkings,O J Hayes,P Henrard,T L Hessing, Ira Joseph Kroll,O Leroy,D Lucchesi, M Margoni,Salvatore Mele,H G Moser, F Muheim,F Palla,D Pallin,Fabrizio Parodi, M Paulini,E Piotto,P Privitera,P Rosnet, P Roudeau,David Rousseau,O Schneider, C H Shepherdthemistocleous,F Simonetto,Paolo Spagnolo, A Stocchi,Dan Su,T L Usher, C Weiser, B W Wicklund, S Willocq

msra（2002）

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摘要

Combined results on b-hadron lifetimes, b-hadron production rates, B^0_d - \bar{B^0_d} and B^0_S - \bar{B^0_s} oscillations, the decay width difference between the mass eigenstates of the B^0_s - \bar{B^0_s} system, the average number of c and \bar{c} quarks in b-hadron decays, and searches for CP violation in the B^0_d - \bar{B-0_d} system are presented. They have been obtained from published and preliminary measurements available in Summer 2000 from the ALEPH, CDF, DELPHI, L3, OPAL and SLD Collaborations. These results have been used to determine the parameters of the CKM unitarity triangle.

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关键词

particle physics,oscillations,cp violation

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