Quark-antiquark exchange in γ* γ* scattering -: art. no. 076

被引：0
作者：
Bartels, J
Lublinsky, M
机构：
[1] Univ Hamburg, Inst Theoret Phys 2, D-22761 Hamburg, Germany
[2] DESY, DESY Theory Grp, D-22607 Hamburg, Germany
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2003年 / 09期
关键词：
QCD; NLO computations;
D O I：
暂无
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 calculate the high energy behavior of quark-antiquark exchange in gamma*gamma* elastic scattering by summing, to all orders, the leading double logarithmic contributions of the QCD ladder diagrams. Motivation comes from the LEP data for sigma(tot)(gamma*gamma*) which indicate the need for secondary reggeon exchange. We show that, for large photon virtualities, this exchange is calculable in pQCD. This applies, in particular, to parts of the LEP kinematic region.
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页数：32
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