Nonleptonic $B_s$ to charmonium decays and their role in the determination of the $β_s$

Details Nonleptonic $B_s$ to charmonium decays and their role in the determination of the $β_s$ Nonleptonic $B_s$ to charmonium decays and their role in the determination of the $β_s$

2010-10-10

arxiv.org/abs/1010.1924v1

AIP Conf.Proc.1317:304-309,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 figure. Talk given at QCD@Work 2010 -International Workshop on QCD: Theory and Experiment-, 20-23 June 2010, Martin

Scientific paper

10.1063/1.3536575

This talk consists of two parts. We first present a light-cone QCD sum rule computation of the $B_s\to f_0(980)$ form factors which are necessary inputs in semileptonic and nonleptonic $B_s$ decays into $f_0(980)$. Then we analyze nonleptonic $B_s$ decays into a charmonium state and a light meson, which are potentially useful to access the $B_s$-${\bar B}_s$ mixing phase $\beta_s$. We explore the experimental feasibility of measuring these various channels, paying attention to different determinations of $\beta_s$ in view of the hints of new physics recently emerged in the $B_s$ sector.

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