Study of Inclusive Production of Charmonium Mesons in B Decay

Abstract

The inclusive production of charmonium mesons in B meson decay has been studied in a 20.3 fb${}^{-1}$ data set collected by the BaBar experiment operating at the ${\rm Y}(4S)$ resonance. Branching fractions have been measured for the inclusive production of the charmonium mesons $J/\psi$, $\psi (2S)$, ${\chi }_{c1}$, and ${\chi }_{c2}$. The branching fractions are also presented as a function of the center-of-mass momentum of the mesons and of the helicity of the $J/\psi$.

15 pages, 13 postscript figures. To be published in Physical Review D

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• The BABAR Detector
• Color-Octet Fragmentation and the psi' Surplus at the Tevatron
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• Relativistic Corrections for Plarized J/Ψ-Production in b-quark decay
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