The Constrained NMSSM with right-handed neutrinos
Abstract
In this article, we demonstrate that the inclusion of right-handed neutrino superfields in the Next-to-Minimal Supersymmetric Standard Model (NMSSM) makes it possible to impose universality conditions on the soft supersymmetry-breaking parameters at the Grand Unification scale, alleviating many of the problems of the so-called Constrained NMSSM. We have studied the renormalization group equations of this model, showing that right-handed neutrinos greatly contribute to driving the singlet Higgs mass-squared parameter negative, which makes it consider-ably easier to satisfy the conditions for radiative electroweak symmetry breaking. The new fields also lead to larger values of the Standard Model Higgs mass, thus making it easier to reproduce the measured value. As a consequence, all bounds from colliders and low-energy observables can be fulfilled in wide areas of the parameter space. However, the relic density in these regions is generally too high requiring some form of late entropy production to dilute the density of the lightest supersymmetric particle.
- Authors:
-
- Durham Univ. (United Kingdom); Autonomous Univ. of Madrid (Spain)
- Univ. of Valencia (Spain)
- Univ. of Bonn (Germany)
- Univ. of Minnesota, Minneapolis, MN (United States)
- Hokkaido Univ., Sapporo (Japan)
- Publication Date:
- Research Org.:
- Univ. of Minnesota, Minneapolis, MN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1510010
- Grant/Contract Number:
- SC0011842
- Resource Type:
- Accepted Manuscript
- Journal Name:
- European Physical Journal. C, Particles and Fields
- Additional Journal Information:
- Journal Volume: 78; Journal Issue: 4; Journal ID: ISSN 1434-6044
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Cerdeño, David G., De Romeri, Valentina, Martín-Lozano, Víctor, Olive, Keith A., and Seto, Osamu. The Constrained NMSSM with right-handed neutrinos. United States: N. p., 2018.
Web. doi:10.1140/epjc/s10052-018-5689-0.
Cerdeño, David G., De Romeri, Valentina, Martín-Lozano, Víctor, Olive, Keith A., & Seto, Osamu. The Constrained NMSSM with right-handed neutrinos. United States. https://doi.org/10.1140/epjc/s10052-018-5689-0
Cerdeño, David G., De Romeri, Valentina, Martín-Lozano, Víctor, Olive, Keith A., and Seto, Osamu. Mon .
"The Constrained NMSSM with right-handed neutrinos". United States. https://doi.org/10.1140/epjc/s10052-018-5689-0. https://www.osti.gov/servlets/purl/1510010.
@article{osti_1510010,
title = {The Constrained NMSSM with right-handed neutrinos},
author = {Cerdeño, David G. and De Romeri, Valentina and Martín-Lozano, Víctor and Olive, Keith A. and Seto, Osamu},
abstractNote = {In this article, we demonstrate that the inclusion of right-handed neutrino superfields in the Next-to-Minimal Supersymmetric Standard Model (NMSSM) makes it possible to impose universality conditions on the soft supersymmetry-breaking parameters at the Grand Unification scale, alleviating many of the problems of the so-called Constrained NMSSM. We have studied the renormalization group equations of this model, showing that right-handed neutrinos greatly contribute to driving the singlet Higgs mass-squared parameter negative, which makes it consider-ably easier to satisfy the conditions for radiative electroweak symmetry breaking. The new fields also lead to larger values of the Standard Model Higgs mass, thus making it easier to reproduce the measured value. As a consequence, all bounds from colliders and low-energy observables can be fulfilled in wide areas of the parameter space. However, the relic density in these regions is generally too high requiring some form of late entropy production to dilute the density of the lightest supersymmetric particle.},
doi = {10.1140/epjc/s10052-018-5689-0},
journal = {European Physical Journal. C, Particles and Fields},
number = 4,
volume = 78,
place = {United States},
year = {2018},
month = {4}
}
Web of Science
Figures / Tables:

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Figures / Tables found in this record: