LONGITUDINAL STRUCTURE FUNCTIONS

被引:21
作者
BARONE, V
GENOVESE, M
NIKOLAEV, NN
PREDAZZI, E
ZAKHAROV, BG
机构
[1] MOSCOW MV LOMONOSOV STATE UNIV, INST NUCL RES, MOSCOW 117259, RUSSIA
[2] INFN, SEZ PERUGIA, I-06100 PERUGIA, ITALY
[3] UNIV TURIN, DIPARTIMENTO FIS TEOR, I-10125 TURIN, ITALY
[4] INFN, SEZ TORINO, I-10125 TURIN, ITALY
关键词
D O I
10.1016/0370-2693(93)91418-M
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We show that nonuniversality effects associated with heavy flavor excitations arise naturally when comparing longitudinal with transverse structure functions measured in muon and in neutrino induced reactions. Specifically, whereas in electromagnetic scattering of muons charm excitation is dominated by the transverse cross section, the low Q2 neutral and charged current neutrino scattering is predominantly given by the longitudinal cross section. The A dependence induced on R by the different Q2 dependence of the transverse and longitudinal shadowing is also discussed.
引用
收藏
页码:176 / 182
页数:7
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