Title
Soft-gluon resummation in quark-vector boson vertex at high energy : on-mass-shell case
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Berlin ,
Subject
Physics
Source (journal)
European physical journal: A: hadrons and nuclei. - Berlin
Volume/pages
23(2005) :3 , p. 501-506
ISSN
1434-6001
ISI
000227473100014
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
Resummation of the soft-gluon radiative corrections for the quark-vector boson vertex is performed within the path-integral (world-line) approach. The leading-order expression for the vacuum-averaged Wilson integral for an arbitrary gauge field is found in n-dimensional space-time. The cusp anomalous dimension of the color non-singlet Sudakov form factor of on-mass-shell quark is calculated in an arbitrary covariant gauge in the one-loop order, and the leading double-logarithmic asymptotical behavior is obtained from the corresponding evolution equation.
E-info
https://repository.uantwerpen.be/docman/iruaauth/9039d3/be38993.pdf
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