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Prog. Theor. Phys. Vol. 75 No. 1 (1986) pp. 98-104
On the Factorization of Collinear and Infrared Singularities in QCD Corrections to the Mikaelian Zero
J. H. Reid
Physics Department, Oklahoma State University, Stillwater, OK 74078
(Received May 31, 1985)
Abstract:
The method of Smilga and Vysotsky is used in the Feynman gauge to extract IR/Coll. singularities from one loop corrections to a general process in both scalar QED and massless QCD. These results are used to demonstrate that a Mikaelian zero factor multiplies the IR/Coll. singular terms in O(αs) corrections to W- →ud γ and related processes containing an amplitude zero.
URL :
http://ptp.ipap.jp/link?PTP/75/98/
DOI : 10.1143/PTP.75.98
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