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Infra-red stability of Yukawa and soft-breaking fixed points

Jack, I. and Jones, D.R.T (1998) Infra-red stability of Yukawa and soft-breaking fixed points. Physics Letters B, 443 (1-4). pp. 177-184. ISSN 0370-2693

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Official URL: http://www.elsevier.com/wps/find/journaldescriptio...

Abstract

We investigate the infra-red stability of the fixed points in the evolution of the Yukawa couplings, A-parameters and soft scalar masses in a broad class of supersymmetric theories. We show that the issue of stability is essentially determined in all three cases by the eigenvalues of the same matrix. In a very wide range of physically interesting theories it follows that, in the asymptotically free case, the existence of stable infra-red fixed points for the Yukawa couplings implies stable infra-red fixed points for the A-parameters and soft scalar masses.

Item Type:Article
Additional Information:LTH 433. arXiv Number: arXiv:hep-ph/9809250v2. Available online 29 December 1998. Issue: 10 December 1998.
Uncontrolled Keywords:TOP-QUARK MASS; PREDICTIONS; MODELS
Subjects:Q Science > QC Physics
Departments, Research Centres and Related Units:Academic Faculties, Institutes and Research Centres > Faculty of Science > Department of Mathematical Sciences
DOI:10.1016/S0370-2693(98)01321-5
Related URLs:
Refereed:No
Status:Published
ID Code:634
Deposited On:01 Dec 2008 12:21
Last Modified:20 May 2011 09:23

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