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Relative rates of B meson decays into psi(2S) and J/psi mesons
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2009 (English)In: Physical Review D, ISSN 1550-7998, Vol. 79, no 11, 111102- p.Article in journal (Refereed) Published
Abstract [en]

We report on a study of the relative rates of B meson decays into psi(2S) and J/psi mesons using 1.3 fb(-1) of p (p) over bar collisions at root s = 1.96 TeV recorded by the D0 detector operating at the Fermilab Tevatron Collider. We observe the channels B-s(0) -> psi(2S)phi, B-s(0) -> J/psi phi, B-+/- -> psi(2S)K-+/-, and B-+/- -> J/psi K-+/- and we measure the relative branching fractions for these channels to be B(B-s(0) -> psi(2S)phi)/B(B-s(0) -> J/psi phi)=0.53 +/- 0.10(stat)+/- 0.07(syst)+/- 0.06(B), B(B+ -> psi(2S)K+)/B(B+ -> J/psi K+)=0.63 +/- 0.05(stat)+/- 0.03(syst)+/- 0.07(B), where the final error corresponds to the uncertainty in the J/psi and psi(2S) branching ratio into two muons.

Place, publisher, year, edition, pages
2009. Vol. 79, no 11, 111102- p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-128353DOI: 10.1103/PhysRevD.79.111102ISI: 000267701300002OAI: oai:DiVA.org:uu-128353DiVA: diva2:331378
Available from: 2010-07-22 Created: 2010-07-20 Last updated: 2011-01-03Bibliographically approved

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