A Study of B0 -> J/psi K(*)0 pi+ pi- Decays with the Collider Detector at Fermilab

Details A Study of B0 -> J/psi K(*)0 pi+ pi- Decays with the Collider Detector at Fermilab A Study of B0 -> J/psi K(*)0 pi+ pi- Decays with the Collider Detector at Fermilab

2001-08-09

arxiv.org/abs/hep-ex/0108022v1

Phys.Rev.Lett.88:071801,2002

Physics

High Energy Physics

High Energy Physics - Experiment

Scientific paper

10.1103/PhysRevLett.88.071801

We report a study of the decays B0 -> J/psi K(*)0 pi+ pi-, which involve the creation of a u u-bar or d d-bar quark pair in addition to a b-bar -> c-bar(c s-bar) decay. The data sample consists of 110 1/pb of p p-bar collisions at sqrt{s} = 1.8 TeV collected by the CDF detector at the Fermilab Tevatron collider during 1992-1995. We measure the branching ratios to be BR(B0 -> J/psi K*0 pi+ pi-) = (8.0 +- 2.2 +- 1.5) * 10^{-4} and BR(B0 -> J/psi K0 pi+ pi-) = (1.1 +- 0.4 +- 0.2) * 10^{-3}. Contributions to these decays are seen from psi(2S) K(*)0, J/psi K0 rho0, J/psi K*+ pi-, and J/psi K1(1270).

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