Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2011-11-01
PoS EPS-HEP2011:147,2011
Physics
High Energy Physics
High Energy Physics - Experiment
4 pages, 2 figures. To appear in the proceedings of the "XXIst International Europhysics Conference on High Energy Physics", 2
Scientific paper
The large data sample recorded with the Belle detector at the Y(5S) energy provides a unique opportunity to study the poorly-known $\bs$ meson. Two analyses, performed with a data sample representing an integrated luminosity of 121 /fb, are presented: the measurement of the Bs0->J/psi f0(980) and Bs0->J/psi f0(1370) branching fractions, and the 5sigma observation of the decay Bs0-bar->Lambda(c)+ pi- Lambda-bar which is the first observation of a baryonic Bs0 decay. In addition, we present new results of a measurement of the CKM angle phi_1(beta) with B pi tagged events.
for the Belle Collaboration
Louvot Remi
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