Enhancement of the lepton flavor violating Higgs boson decay rates from SUSY loops in the inverse seesaw model

• Published in: Physical review. D 2016-03, Vol.93 (5), Article 055010
• Main Authors: Arganda, E., Herrero, M. J., Marcano, X., Weiland, C.
• Format: Article
• Language: English
• Subjects: Couplings; Flavor (particle physics); Inverse; Large Hadron Collider; Leptons; Mathematical models; Neutrinos; Supersymmetry
• ISSN: 2470-0010; 2470-0029
• DOI: 10.1103/PhysRevD.93.055010

In this article, we study the full one-loop SUSY contributions to the lepton flavor violating Higgs decay h[arrowright][tau][mu], within the context of the supersymmetric inverse seesaw model. We assume that both the right-handed neutrino masses, M sub()R and their supersymmetric partner masses, m sub([nu])R are not far from the interesting [scriptO](TeV) energy scale, and we work with scenarios with large neutrino Yukawa couplings that transmit large lepton flavor violating effects. By exploring the behavior with the most relevant parameters, mainly M sub()R m sub([nu])Rand the trilinear sneutrino coupling A sub([nu]), we will look for regions of the parameter space where the enhancement of BR(h[arrowright][tau][mu]) is large enough to reach values at the percent level, which could explain the excess recently reported by CMS and ATLAS at the CERN Large Hadron Collider.