Semiclassical approach to structure functions at small x

被引:55
作者
Buchmuller, W [1 ]
Hebecker, A [1 ]
机构
[1] STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94309 USA
关键词
eikonal; Wilson line; semiclassical; small x; diffraction;
D O I
10.1016/0550-3213(96)00343-4
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
Inclusive and diffractive structure functions for electron-proton scattering are calculated in a semiclassical approach at large momentum transfer Q(2) and small values of the scaling variable x. The bade process is the production of a quark-antiquark pair in the colour field of the proton. The structure functions are expressed in terms of Wilson lines along the classical trajectories of quark and antiquark passing through the colour field, and their covariant derivatives. Based on some rather general assumptions on properties of the colour held, inclusive and diffractive structure functions are evaluated in terms of four field dependent constants.
引用
收藏
页码:203 / 224
页数:22
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