Abstract
Hadronic collisions are quite efficient in producing new quark flavours due to the large gluon content of ordinary hadrons. In particular, one may expect sizable yields of heavy quark-antiquark bound states with various spin and orbital quantum numbers. Using perturbative QCD in combination with the nonrelativistic quarkonium model we present a fairly complete and detailed picture of charmonium and bottomonium production. We compare our results on inclusiveJ/ψ and γ distributions with high energypp data and make predictions onη c and χ production.
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Baier, R., Rückl, R. Hadronic collisions: A quarkonium factory. Z. Phys. C - Particles and Fields 19, 251–266 (1983). https://doi.org/10.1007/BF01572254
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DOI: https://doi.org/10.1007/BF01572254