BFKL next-to-next-to-leading order

被引：24
|
作者：
Marzani, Simone
Ball, Richard D.
Falgari, Pietro
Forte, Stefano
机构：
[1] Univ Milan, Dipartmento Fis, I-20133 Milan, Italy
[2] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy
[3] Univ Edinburgh, Sch Phys, Edinburgh EH9 3JZ, Midlothian, Scotland
[4] Rhein Westfal TH Aachen, Inst Theoret Phys E, D-52056 Aachen, Germany
来源：
NUCLEAR PHYSICS B | 2007年 / 783卷 / 1-2期
关键词：
D O I：
10.1016/j.nuclphysb.2007.05.024
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 determine an approximate expression for the O(alpha(3)(S)) contribution chi(2) to the kernel of the BFKL equation, which includes all collinear and anticollinear singular contributions. This is derived using recent results on the relation between the GLAP and BFKL kernels (including running-coupling effects to all orders) and on small-x factorization schemes. We present the result in various schemes, relevant both for applications to the BFKL equation and to small-x evolution of parton distributions. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：143 / 175
页数：33
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