Document Type

Article

Date

3-2-2011

Language

English

Disciplines

Physics

Description/Abstract

Using data collected with the LHCb detector in proton-proton collisions at a centre-of-mass energy of 7 TeV, the hadronic decay Bs -> J/psi f0(980) is observed. This CP eigenstate mode could be used to measure mixing-induced CP violation in the B_s system. Using a fit to the pi+ pi- mass spectrum with interfering resonances gives R_{f0/phi} = [Gamma(Bs -> J/psi f0, f0 -> pi+ pi-)]/[Gamma(Bs -> J/psi phi, phi -> K+K-)] = 0.252^{+0.046+0.027}_{-0.032-0.033}, where the uncertainties are statistical and systematic, respectively.

Additional Information

11 pages, 6 figures. To be published in Physics Letters B More information at http://arxiv.org/abs/1102.0206

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Source

Harvested from Arxiv.org

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This work is licensed under a Creative Commons Attribution 3.0 License.

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