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g-2 of the muon from compositeness in the model of Abbott and Farhi

g-2 of the muon from compositeness in the model of Abbott and Farhi We use a simple model to estimate the contribution to g- 2 for the muon in the composite model of Abbott and Farhi. Dimension-5 operators must be introduced to describe the effective coupling of the composite left-handed muon to its constituents. We find an interesting suppression, which operates in the region of low scalar preon mass, of the leading-order term for g- 2. The contribution of compositeness to g-2 is thus smaller than might naively be expected and is within experimental limits. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review D American Physical Society (APS)

g-2 of the muon from compositeness in the model of Abbott and Farhi

Brodsky, Stanley J
Physical Review D , Volume 39 (9) – May 1, 1989
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References (2)

Publisher
American Physical Society (APS)
Copyright
Copyright © 1989 The American Physical Society
ISSN
1089-4918
DOI
10.1103/PhysRevD.39.2797
Publisher site
See Article on Publisher Site

Abstract

We use a simple model to estimate the contribution to g- 2 for the muon in the composite model of Abbott and Farhi. Dimension-5 operators must be introduced to describe the effective coupling of the composite left-handed muon to its constituents. We find an interesting suppression, which operates in the region of low scalar preon mass, of the leading-order term for g- 2. The contribution of compositeness to g-2 is thus smaller than might naively be expected and is within experimental limits.

Journal

Physical Review D – American Physical Society (APS)

Published: May 1, 1989

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