Reggeization of the quark-quark scattering amplitude in QCD

被引:86
作者
Fadin, VS
Fiore, R
Quartarolo, A
机构
[1] NOVOSIBIRSK STATE UNIV, NOVOSIBIRSK 630090, RUSSIA
[2] UNIV CALABRIA, DIPARTIMENTO FIS, IST NAZL FIS NUCL, GRP COLLEGATO COSENZA, I-87030 COSENZA, ITALY
关键词
D O I
10.1103/PhysRevD.53.2729
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
s-channel discontinuity of the quark-quark scattering amplitude with gluon quantum numbers in the t channel and a negative signature is calculated in the Regge kinematical region in the two-loop approximation. Using this discontinuity and assuming that the Regge asymptotic behavior is given by the Reggeized gluon contribution, we calculate the gluon trajectory in the two-loop approximation. Remarkable cancellations lead to the independence of the trajectory on properties of the scattered quarks, confirming the gluon Reggeization.
引用
收藏
页码:2729 / 2741
页数:13
相关论文
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