COMPLETE NEXT-TO-LEADING ORDER QCD CORRECTIONS TO THE PHOTON STRUCTURE FUNCTIONS F(2)GAMMA(X, Q(2)) AND F(L)GAMMA(X, Q(2))

被引：39

作者：

LAENEN, E

RIEMERSMA, S

SMITH, J

VANNEERVEN, WL

机构：

[1] SO METHODIST UNIV, DEPT PHYS, DALLAS, TX 75275 USA

[2] SUNY STONY BROOK, INST THEORET PHYS, STONY BROOK, NY 11794 USA

[3] LEIDEN UNIV, INST LORENTZ, 2300 RA LEIDEN, NETHERLANDS

来源：

PHYSICAL REVIEW D | 1994年 / 49卷 / 11期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevD.49.5753

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the complete next-to-leading-order QCD analysis of the photon structure functions F2gamma(x,Q2) and F(L)gamma(x,Q2) for a real photon target. In particular, we study the heavy flavor content of the structure functions which is due to two different production mechanisms: namely, collisions of a virtual photon with a real photon and with a parton. We observe that the charm contributions are noticeable for F2gamma(x,Q2) as well as F(L)gamma(x,Q2) in the x region studied.

引用

页码：5753 / 5768

页数：16

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