INELASTIC J/PSI PHOTOPRODUCTION

被引:98
作者
KRAMER, M
ZUNFT, J
STEEGBORN, J
ZERWAS, PM
机构
[1] UNIV MAINZ,INST PHYS,D-55099 MAINZ,GERMANY
[2] UNIV KARLSRUHE,INST THEOR TEILCHENPHYS,D-76128 KARLSRUHE,GERMANY
关键词
D O I
10.1016/0370-2693(95)00155-E
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Inelastic photoproduction of J/Psi particles at high energies is one of the processes to determine the gluon distribution in the nucleon. We have calculated the QCD radiative corrections to the color-singlet model of this reaction. They are large at moderate photon energies, but decrease with increasing energies. The cross section and the J/Psi energy spectrum are compared with the available fixed-target photoproduction data and predictions are given for the HERA energy range.
引用
收藏
页码:657 / 664
页数:8
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