High Temperature Dimensional Reduction and Parity Violation
High Energy Physics - Phenomenology
2009-10-30 v2 High Energy Physics - Theory
Abstract
The effective super-renormalizable 3-dimensional Lagrangian, describing the high temperature limit of chiral gauge theories, has more symmetry than the original 4d Lagrangian: parity violation is absent. Parity violation appears in the 3d theory only through higher-dimensional operators. We compute the coefficients of dominant P-odd operators in the Standard Electroweak theory and discuss their implications. We also clarify the parametric accuracy obtained with dimensional reduction.
Keywords
Cite
@article{arxiv.hep-ph/9710538,
title = {High Temperature Dimensional Reduction and Parity Violation},
author = {K. Kajantie and M. Laine and K. Rummukainen and M. Shaposhnikov},
journal= {arXiv preprint arXiv:hep-ph/9710538},
year = {2009}
}
Comments
12 pages, 1 figure. Small clarifications added. To appear in Phys.Lett.B