Exclusive electroproduction of J/ψ mesons

被引：10
|
作者：
Dosch, HG
Ferreira, E
机构：
[1] Heidelberg Univ, Inst Theoret Phys, D-6900 Heidelberg, Germany
[2] Univ Fed Rio de Janeiro, Inst Fis, BR-21945970 Rio De Janeiro, Brazil
来源：
PHYSICS LETTERS B | 2003年 / 576卷 / 1-2期
关键词：
electroproduction; DIS; photoproduction; vector mesons; stochastic vacuum model; J/psi;
D O I：
10.1016/j.physletb.2003.09.087
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A nonperturbative calculation of elastic electroproduction of the J/psi meson is presented and compared to the experimental data. Our model describes well the observed dependences of the cross sections on the photon virtuality Q(2) and on the energy, and the measured ratio R = sigma(L)/sigma(T) of longitudinal to transverse cross sections. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：83 / 89
页数：7
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