Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1996-10-09
Phys.Rev.D55:5429-5436,1997
Physics
High Energy Physics
High Energy Physics - Phenomenology
25 pages, LaTeX using revtex and epsfig, corrections made for trivial misprints in labeling of figs. 6-8(should be read as nb
Scientific paper
10.1103/PhysRevD.55.5429
Color-octet contributions to the associate J/psi+gamma hadroproduction are studied in detail, and found to be negligible, compared to the ordinary color-singlet contribution. Within the color-singlet model the J/psi+gamma production in the leading order is possible only through gluon-gluon fusion process. Therefore, the associate J/psi+gamma hadroproduction remains to be useful as a clean channel to probe the gluon distribution inside proton, to study heavy quarkonia production mechanism, and to find proton's spin structure.
Kim Chang Sub
Lee Jungil
Song Hee Sung
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