Scalar scenarios contributing to (g-2)mu with enhanced Yukawa couplings - art. no. 117701

Authors
Pires, CAD da Silva, PSR
Citation
Cad. Pires et Psr. Da Silva, Scalar scenarios contributing to (g-2)mu with enhanced Yukawa couplings - art. no. 117701, PHYS REV D, 6411(11), 2001, pp. 7701
Citations number
47
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW D
ISSN journal
05562821 → ACNP
Volume
6411
Issue
11
Year of publication
2001
Database
ISI
SICI code
0556-2821(200112)6411:11<7701:SSCT(W>2.0.ZU;2-Y
Abstract
In this work we address contributions from scalars to (g-2)(mu). In order t o explain the recently measured deviation by the BNL experiment on (g-2)(mu ), it is necessary that these scalars are either light or couple strongly w ith muons. Here we explore this last possibility. We show that a scalar wit h mass of the order of 10(2) GeV provides significant contribution to (g-2) (mu) if the Yukawa coupling is about 10(-1). We suggest scenarios where thi s comes about naturally.