Photoproduction of Light Vector Meson in Relativistic Heavy Ion Collisions
YU Gong-Ming, LI Yun-De**
Department of Physics, Yunnan University, Kunming 650091
Abstract ：We calculate the hard photoproduction of light vector meson from the fragmentation of photon in Pb–Pb collisions. Using the perturbative quantum chromodynamics calculation, we rigorously derive the electromagnetic fragmentation production for ρ , ω and φ in relativistic nucleus-nucleus collisions by the photoproduction processes. It is shown that the differential cross section of photoproduction processes of light vector meson cannot be negligible in relativistic heavy ion collisions at Large Hadron Collider energies.
收稿日期: 2013-08-21
出版日期: 2014-01-28
:
12.39.St
(Factorization)
13.60.Le
(Meson production)
25.75.-q
(Relativistic heavy-ion collisions (collisions induced by light ions studied to calibrate relativistic heavy-ion collisions should be classified under both 25.75.-q and sections 13 or 25 appropriate to the light ions))
12.38.Mh
(Quark-gluon plasma)
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2014, Vol. 31 
