Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-11-28
Physics
High Energy Physics
High Energy Physics - Phenomenology
Latex file (5 pages); Talk presented at the Pacific Particle Physics Phenomenology (P^4 '97) Conference at the Seoul National
Scientific paper
In this talk, I start with a brief introduction to Non-Relativistic QCD (NRQCD) and its applications to quarkonium physics. This theory has provided a consistent framework for the physics of quarkonia, in particular, the colour-octet Fock components predicted by NRQCD have important implications for the phenomenology of charmonium production in experiments. We discuss the applications of NRQCD to $J/\psi$ production at Tevatron and the tests of the theory in other experiments. Finally we discuss the production of the ${}^1P_1$ charmonium state, $h_c$, at large-$p_T$ at the Tevatron. The observation of $h_c$ is interesting, since its existence has yet to be experimentally confirmed. Moreover, this rate is a $prediction$ of NRQCD, and the observation of the $h_c$ at the Tevatron can, therefore, be used as a test of NRQCD.
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