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Study of B0J/ψK(*)0π+π Decays with the Collider Detector at Fermilab

CollaborationWith : Clark, Allan Geoffrey / Kambara, Hisanori / Speer, Thomas / Strumia Michelini, Federica / Wu, Xin
Published in Physical Review Letters. 2002, vol. 88, no. 7, p. 071801
Abstract We report a study of the decays B0→J/ψK(*)0π+π−, which involve the creation of a uu¯ or dd¯ quark pair in addition to a b¯→c¯(cs¯) decay. The data sample consists of 110pb−1 of pp¯ collisions at s√=1.8TeV collected by the CDF detector at the Fermilab Tevatron collider during 1992–1995. We measure the branching fractions to be B(B0→J/ψK*0π+π−)=(6.6±1.9±1.1)×10−4 and B(B0→J/ψK0π+π−)=(10.3±3.3±1.5)×10−4. Evidence is seen for contributions from ψ(2S)K(*)0, J/ψK0ρ0, J/ψK*+π−, and J/ψK1(1270).
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CDF COLLABORATION. Study of B0J/ψK(*)0π+π Decays with the Collider Detector at Fermilab. In: Physical Review Letters, 2002, vol. 88, n° 7, p. 071801. doi: 10.1103/PhysRevLett.88.071801 https://archive-ouverte.unige.ch/unige:38020

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Deposited on : 2014-06-23

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