Higgs boson decays, baryon number violation, and supersymmetry at the LHC

Jonathan M. Arnold, Pavel Fileviez Pérez, Bartosz Fornal, and Sogee Spinner
Phys. Rev. D 85, 115024 – Published 26 June 2012

Abstract

Baryon number violating interactions could modify the signatures of supersymmetric models at the Large Hadron Collider. In this article we investigate the predictions for the Higgs mass and the Higgs decays in a simple extension of the minimal supersymmetric standard model where the local baryon and lepton numbers are spontaneously broken at the TeV scale. This theory predicts baryon number violation at the low scale that can change the current LHC bounds on the supersymmetric spectrum. Using the ATLAS and CMS bounds on the Higgs mass we show the constraints on the sfermion masses and show the subsequent predictions for the radiative Higgs decays. We found that the Higgs decay into two photons is suppressed due to the existence of new light leptons. In this theory the stops can be very light in agreement with all experimental bounds, and we make a brief discussion of the possible signals at the LHC.

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  • Received 30 April 2012

DOI:https://doi.org/10.1103/PhysRevD.85.115024

© 2012 American Physical Society

Authors & Affiliations

Jonathan M. Arnold

  • California Institute of Technology, Pasadena, California 91125, USA

Pavel Fileviez Pérez

  • Center for Cosmology and Particle Physics (CCPP), New York University, 4 Washington Place, New York, New York 10003, USA

Bartosz Fornal

  • California Institute of Technology, Pasadena, California 91125, USA

Sogee Spinner

  • International School for Advanced Studies (SISSA), Via Bonomea 265, 34136 Trieste, Italy

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Issue

Vol. 85, Iss. 11 — 1 June 2012

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