PARTON DISTRIBUTIONS IN THE PHOTON

被引：142
|
作者：
AURENCHE, P [1 ]
GUILLET, JP [1 ]
FONTANNAZ, M [1 ]
机构：
[1] UNIV PARIS 11,CNRS,URA 63,PHYS THEOR & HAUTES ENERGIES LAB,F-91405 ORSAY,FRANCE
来源：
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1994年 / 64卷 / 04期
关键词：
D O I：
10.1007/BF01957771
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We discuss in detail the photon structure function beyond the leading logarithm approximation. Of special concern is the factorization scheme and the hadronic input; we show how to naturally absorb large terms due to the ($) over bar MS factorization scheme in a modified hadronic component. The effect of the charm quark mass threshold is also discussed in relation to the phenomenology. A comparison with data shows that the modified hadronic component can be reasonably described by a VDM-type input.
引用
收藏
页码：621 / 630
页数：10
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