Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-02-14
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, 2 figures, talk given at PPP2000 workshop at Chipen, Taiwan, Nov. 8-11
Scientific paper
In processes at the energy much higher than electroweak scale, weak boson mass act as the infrared cutoff in weak boson loops and resulting Sudakov log corrections can be as large as 10%. Since electroweak theory is off-diagonally broken gauge theory, its IR structure is quite different from that of QCD. We briefly review recent developments on electroweak Sudakov and discuss on the exponentiation of Sudakov double logs and explicit 2 loop calculations in Feynman gauge.
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