Theta--instantons in SU(2) Higgs theory

Details Theta--instantons in SU(2) Higgs theory Theta--instantons in SU(2) Higgs theory

2003-03-14

arxiv.org/abs/hep-th/0303136v1

Theor.Math.Phys.138:397-406,2004; Teor.Mat.Fiz.138:422-436,2004

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, 5 figures

Scientific paper

10.1023/B:TAMP.0000018455.02791.

We consider topology changing processes in SU(2)--Higgs theory. In the Standard Model of particle physics they are accompanied by baryon--and lepton--number non--conservation. At fixed energy and multiplicity of initial state, these processes are described by classical Theta--instanton solutions. We describe these solutions and calculate the suppression exponents for the probabilities of the topology changing transitions at relatively low energies.

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