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Off-mass-shell Sudakov-like suppression factor for the fermionic four-point function in QCD
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DOI：10.1016/S0370-2693(99)00397-4.png)
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摘要
En 中文
We consider a four-point process, associated with a wide-angle elastic scattering of two off-mass-shell spin-1/2 matter particles, in a non-abelian gauge theory, On the basis of a worldline approach, which reverts the functional to a path-integral description of the system, we factorize an eikonal (soft) subsector of the full theory and calculate the Sudakov-like suppression factor for the four-point function as a whole, once we have extracted the associated anomalous dimensions and taken into account the renormalization-group controlled evolution. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
Keyword:
HARD ELASTIC-SCATTERING
FORM-FACTOR
QUANTUM CHROMODYNAMICS
EXCLUSIVE PROCESSES
ASYMPTOTIC-BEHAVIOR
COLOR EXCHANGE
RENORMALIZATION
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期刊
IF:
4.5
论文数:
3.2W
被引数:
7.3W
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