High energy amplitude as an admixture of 'soft' and 'hard' Pomerons

被引:10
作者
Bondarenko, S [1 ]
Levin, E
Tan, CI
机构
[1] Tel Aviv Univ, Sch Phys & Astron, HEP Dept, IL-69978 Tel Aviv, Israel
[2] Brown Univ, Dept Phys, Providence, RI 02912 USA
基金
以色列科学基金会;
关键词
D O I
10.1016/j.nuclphysa.2003.11.056
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
In this paper an attempt is made to find an interface of the perturbative BFKL Pomeron with the non-perturbative Pomeron originating from non-perturbative QCD phenomena such as QCD instantons and/or scale anomaly. The main idea is that the non-perturbative Pomeron involves a large scale (M-0 approximate to 2 GeV), which is larger than the scale from which perturbative QCD is applicable. One key result is that even for processes involving a large hard scale (such as DIS) the low x behavior is determined by an effective Porneron with an intercept having an essential non-perturbative QCD contribution. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:73 / 105
页数:33
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