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Gluon Regge trajectory in the two-loop approximation
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DOI：10.1016/0370-2693(96)01054-4.png)
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Evaluating two-loop integrals in the transverse momentum space we obtain the trajectory of the Reggeized gluon in QCD in an explicit form in the two-loop approximation. It is presented as an expansion in powers of (D - 4) for the space-time dimension D tending to the physical value D = 4. As the result of a remarkable cancellation the third order pole in D - 4 disappears in the trajectory and the expansion starts with (D - 4)(-2).
Keyword:
DEEP-INELASTIC-SCATTERING
SMALL-X
UNITARITY CORRECTIONS
LIPATOV POMERON
QCD
KINEMATICS
期刊
IF:
4.5
论文数:
3.2W
被引数:
7.3W
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