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Measurement of the Relative Branching Ratio of $B^0_s\to J/\psi f_0(980)\to B_s^0\to J/\psi\phi$
Stockholm University, Faculty of Science, Department of Physics. (Elementarpartikelfysik)
2012 (English)In: Physical Review D. Particles and fields, ISSN 0556-2821, E-ISSN 1089-4918, Vol. 85, no 1, # 011103- p.Article in journal (Refereed) Published
Abstract [en]

We present a measurement of the relative branching fraction, Rf0, of Bs0→J/ψf0(980), with f0(980)→π+π-, to the process Bs0→J/ψϕ, with ϕ→K+K-. The J/ψf0(980) final state corresponds to a CP-odd eigenstate of Bs0 that could be of interest in future studies of CP violation. Using 8  fb-1 of data recorded with the D0 detector at the Fermilab Tevatron Collider, we find Rf0=0.275±0.041(stat)±0.061(syst).

Place, publisher, year, edition, pages
2012. Vol. 85, no 1, # 011103- p.
National Category
Subatomic Physics
Research subject
URN: urn:nbn:se:su:diva-74234DOI: 10.1103/PhysRevD.85.011103ISI: 000299923800001OAI: diva2:507280
Swedish Research Council


Available from: 2012-03-02 Created: 2012-03-02 Last updated: 2012-12-05Bibliographically approved

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Åsman, Barbro
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