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Study of the decay Bs0→J/ψf2′(1525) in μ +μ -K +K - final states
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2012 (English)In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 86, no 9, 092011- p.Article in journal (Refereed) Published
Abstract [en]

We investigate the decay Bs0→J/ψK +K - for invariant masses of the K +K - pair in the range 1.35<M(K +K -)<2GeV. The data sample corresponds to an integrated luminosity of 10.4fb -1 of pp̄ collisions at √s=1.96TeV accumulated with the D0 detector at the Fermilab Tevatron collider. From the study of the invariant mass and spin of the K +K - system, we find evidence for the two-body decay Bs0→J/ψf2′(1525) and measure the relative branching fraction of the decays Bs0→J/ψf2′(1525) and Bs0→J/ψ to be R f2′/=0.19±0.05(stat)±0.04(syst).

Place, publisher, year, edition, pages
2012. Vol. 86, no 9, 092011- p.
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Physical Sciences
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URN: urn:nbn:se:uu:diva-188132DOI: 10.1103/PhysRevD.86.092011ISI: 000311547400002OAI: oai:DiVA.org:uu-188132DiVA: diva2:576551
Available from: 2012-12-13 Created: 2012-12-12 Last updated: 2017-12-06Bibliographically approved

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Buszello, Claus P.

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