Nonuniversal gaugino masses and muong-2

Gogoladze, Ilia; Nasir, Fariha; Shafi, Qaisar; Ün, Cem Salih

doi:10.1103/PhysRevD.90.035008

Nonuniversal gaugino masses and muon $g - 2$

Journal Article · Mon Aug 11 04:00:00 EDT 2014 · Physical Review. D, Particles, Fields, Gravitation and Cosmology

DOI:https://doi.org/10.1103/PhysRevD.90.035008· OSTI ID:1180868

Gogoladze, Ilia ^[1]; Nasir, Fariha ^[1]; Shafi, Qaisar ^[1]; Ün, Cem Salih ^[1]

Univ. of Delaware, Newark, DE (United States)

We consider two classes of supersymmetric models with nonuniversal gaugino masses at the grand unification scale M_GUT in an attempt to resolve the apparent muon g-2 anomaly encountered in the Standard Model. We explore two distinct scenarios, one in which all gaugino masses have the same sign at M_GUT, and a second case with opposite sign gaugino masses. The sfermion masses in both cases are assumed to be universal at M_GUT. We exploit the nonuniversality among gaugino masses to realize large mass splitting between the colored and noncolored sfermions. Thus, the sleptons can have masses in the few hundred GeV range, whereas the colored sparticles turn out to be an order of magnitude or so heavier. In both models the resolution of the muon g-2 anomaly is compatible, among other things, with a 125–126 GeV Higgs boson mass and the WMAP dark matter bounds.

View Accepted Manuscript (Publisher)

Sponsoring Organization:: USDOE

OSTI ID:: 1180868

Journal Information:: Physical Review. D, Particles, Fields, Gravitation and Cosmology, Journal Name: Physical Review. D, Particles, Fields, Gravitation and Cosmology Journal Issue: 3 Vol. 90; ISSN PRVDAQ; ISSN 1550-7998

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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