Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-07-18
Phys.Lett. B412 (1997) 95-103
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages. RevTex is used. No figures
Scientific paper
10.1016/S0370-2693(97)01055-1
We calculate Sudakov-type form factors for isolated spin-1/2 particles (fermions) entering non-Abelian gauge-field systems. We consider both the on- and the off-mass-shell case using a methodology which rests on a worldline casting of field theories. The simplicity and utility of our approach derives from the fact that we are in a position to make, a priori, a more transparent separation (factorization), with respect to a given scale, between short- and long-distance physics than diagramatic methods.
Gellas George C.
Karanikas Alexandros I.
Ktorides C. N.
Stefanis N. G.
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