Quantum Fluctuations around the Electroweak Sphaleron

Details Quantum Fluctuations around the Electroweak Sphaleron Quantum Fluctuations around the Electroweak Sphaleron

1993-08-20

arxiv.org/abs/hep-ph/9308310v1

Phys.Rev. D49 (1994) 2055-2073

Physics

High Energy Physics

High Energy Physics - Phenomenology

DO-TH-93/19 39 pages, 5 figures (available on request as Postscript files or via Fax or mail), LaTeX, no macros needed

Scientific paper

10.1103/PhysRevD.49.2055

We present an analysis of the quantum fluctuations around the electroweak sphaleron and calculate the associated determinant which gives the 1--loop correction to the sphaleron transition rate. The calculation differs in various technical aspects from a previous analysis by Carson et al. so that it can be considered as independent. The numerical results differ also -- by several orders of magnitude -- from those of this previous analysis; we find that the sphaleron transition rate is much less suppressed than found previously.

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