The effective potential and the renormalisation group
- 26 April 1993
- journal article
- Published by Elsevier BV in Nuclear Physics B
- Vol. 395 (1-2), 17-34
- https://doi.org/10.1016/0550-3213(93)90206-5
Abstract
We discuss renormalisation group improvement of the effective potential both in general and in the context of $O(N)$ scalar $\p^4$ and the Standard Model. In the latter case we find that absolute stability of the electroweak vacuum implies that $m_H\geq 1.95m_t-189~GeV$, for $\as (M_Z) = 0.11$. We point out that the lower bound on $m_H$ {\it decreases\/} if $\as (M_Z)$ is increased.Comment: 22 pages plus three PostScript figures (appended), Liverpool preprint LTH 288, University of Michigan preprint UM-TH-92-2
Keywords
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