Hadron production in deep inelastic lepton-nucleus scattering

被引:76
作者
Accardi, A
Muccifora, V
Pirner, HJ
机构
[1] Heidelberg Univ, Inst Theoret Phys, D-69120 Heidelberg, Germany
[2] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[3] Max Planck Inst Kernphys, Heidelberg, Germany
关键词
DIS on nuclei; hadronization; modification of fragmentation functions;
D O I
10.1016/S0375-9474(03)00670-5
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
Predictions for semi-inclusive deep inelastic lepton-nucleus scattering are presented. Both the effects of gluon radiation by the struck quark and the absorption of the produced hadron are considered. The gluon radiation covers a larger window in virtuality Q(2) because of the increased deconfinement of quarks inside nuclei. The absorption of hadrons formed inside the nucleus is described with a flavor dependent cross-section. Calculations for resealed fragmentation functions and nuclear absorption are compared with the EMC and HERMES data for N, Cu and Kr targets with respect to the deuteron target. Predictions for Ne and Xe targets in the HERMES kinematic regime are given. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:131 / 156
页数:26
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