J/psi,psi(2S) to mu+ mu- and B to J/psi,psi(2S) Cross Sections

Details J/psi,psi(2S) to mu+ mu- and B to J/psi,psi(2S) Cross Sections J/psi,psi(2S) to mu+ mu- and B to J/psi,psi(2S) Cross Sections

1994-12-23

arxiv.org/abs/hep-ex/9412013v1

Physics

High Energy Physics

High Energy Physics - Experiment

11 pages

Scientific paper

This paper presents a measurement of J/psi,psi(2S) differential cross sections in p-pbar collisions at square root s = 1.8 TeV. The cross sections are measured above 4 GeV/c in the central region (|eta| < 0.6) using the dimuon decay channel. The fraction of events from B decays is measured, and used to calculate b quark cross sections and direct J/psi,psi(2S) cross sections. The direct cross sections are found to be more than an order of magnitude above theoretical expectations.

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