Sudakov form factor in effective field theory

Details Sudakov form factor in effective field theory Sudakov form factor in effective field theory

2004-03-05

arxiv.org/abs/hep-ph/0403069v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

27 pages, 7 figures, revtex4

Scientific paper

We discuss the Sudakov form factor in the framework of the soft-collinear effective theory. The running of the short distance coefficient function from high to low scale gives the summation of Sudakov logarithms to all orders. Our discussions concentrate on the factorization and derivation of the renormalization group equation from the effective theory point of view. The intuitive interpretation of the renormalization group method is discussed. We compared our method with other resummation approaches in the literatures.

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