COLOR SCREENING, QUARK PROPAGATION IN NUCLEAR-MATTER AND THE BROADENING OF THE MOMENTUM DISTRIBUTION OF DRELL-YAN PAIRS

被引：33

作者：

DOLEJSI, J

HUFNER, J

KOPELIOVICH, BZ

机构：

[1] CHARLES UNIV, FAC MATH & PHYS, DEPT NUCL PHYS, CS-18000 PRAGUE 8, CZECHOSLOVAKIA

[2] JOINT INST NUCL RES, NUCL PROBLEMS LAB, MOSCOW 101000, RUSSIA

来源：

PHYSICS LETTERS B | 1993年 / 312卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(93)90517-L

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate the broadening of the transverse momentum distribution of a quark propagating through nuclear matter. Colour screening plays a fundamental role in that it cuts off quark-nucleon interactions with soft gluons. The mean transverse momentum of the quark acquired along its trajectory, observed via Drell-Yan pairs, is related to the ratio of the total inelastic meson-nucleon cross section to the meson mean squared radius. Parameter-free calculations agree with the data.

引用

页码：235 / 239

页数：5

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