Quarkonium Interactions in Hadronic Matter

Kharzeev D, Satz H (1994)
Physics Letters B 334(1-2): 155-162.

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The cross section for the J/psi and UPSILON interaction with light hadrons is calculated in short-distance QCD, based on the large heavy quark mass and the resulting large energy gap to open charm or beauty. The low energy form of the cross section is determined by the gluon structure functions at large x; hence it remains very small until quite high energies. This behaviour is experimentally confirmed by charm photoproduction data. It is shown to exclude J/psi absorption in confined hadronic matter of the size or density attainable in nuclear collisions; in contrast, the harder gluon spectrum in deconfined matter allows break-up interactions.
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Kharzeev D, Satz H. Quarkonium Interactions in Hadronic Matter. Physics Letters B. 1994;334(1-2):155-162.
Kharzeev, D., & Satz, H. (1994). Quarkonium Interactions in Hadronic Matter. Physics Letters B, 334(1-2), 155-162.
Kharzeev, D., and Satz, H. (1994). Quarkonium Interactions in Hadronic Matter. Physics Letters B 334, 155-162.
Kharzeev, D., & Satz, H., 1994. Quarkonium Interactions in Hadronic Matter. Physics Letters B, 334(1-2), p 155-162.
D. Kharzeev and H. Satz, “Quarkonium Interactions in Hadronic Matter”, Physics Letters B, vol. 334, 1994, pp. 155-162.
Kharzeev, D., Satz, H.: Quarkonium Interactions in Hadronic Matter. Physics Letters B. 334, 155-162 (1994).
Kharzeev, D., and Satz, Helmut. “Quarkonium Interactions in Hadronic Matter”. Physics Letters B 334.1-2 (1994): 155-162.
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