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Title: The higgsino–singlino sector of the NMSSM: combined constraints from dark matter and the LHC

Abstract

A light singlino is a promising candidate for dark matter, and a light higgsino is natural in the parameter space of the NMSSM. We study the combined constraints on this scenario resulting from the dark matter relic density, the most recent results from direct detection experiments, LEP and the LHC. In particular limits from a recent search for electroweak production of charginos and neutralinos at √s = 13 TeV after 35.9 fb –1 by CMS and constraints on spin-independent dark matter–nucleon cross sections from XENON1T after 1 tonne × year exposure are considered. We find that scenarios with higgsino masses below ~250 GeV as well as singlino masses below ~100 GeV are strongly constrained depending, however, on assumptions on the bino mass parameter M 1. Benchmark points and branching fractions for future searches at the LHC are proposed.

Authors:
 [1];  [2]
  1. Univ. Paris-Sud, Orsay (France). Lab. de l'Accelerateur Lineaire (LAL)
  2. Univ. de Montpellier, Montpellier (France). LUPM
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Org.:
USDOE
OSTI Identifier:
1544011
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 78; Journal Issue: 9; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Physics

Citation Formats

Ellwanger, Ulrich, and Hugonie, Cyril. The higgsino–singlino sector of the NMSSM: combined constraints from dark matter and the LHC. United States: N. p., 2018. Web. doi:10.1140/epjc/s10052-018-6204-3.
Ellwanger, Ulrich, & Hugonie, Cyril. The higgsino–singlino sector of the NMSSM: combined constraints from dark matter and the LHC. United States. https://doi.org/10.1140/epjc/s10052-018-6204-3
Ellwanger, Ulrich, and Hugonie, Cyril. Wed . "The higgsino–singlino sector of the NMSSM: combined constraints from dark matter and the LHC". United States. https://doi.org/10.1140/epjc/s10052-018-6204-3. https://www.osti.gov/servlets/purl/1544011.
@article{osti_1544011,
title = {The higgsino–singlino sector of the NMSSM: combined constraints from dark matter and the LHC},
author = {Ellwanger, Ulrich and Hugonie, Cyril},
abstractNote = {A light singlino is a promising candidate for dark matter, and a light higgsino is natural in the parameter space of the NMSSM. We study the combined constraints on this scenario resulting from the dark matter relic density, the most recent results from direct detection experiments, LEP and the LHC. In particular limits from a recent search for electroweak production of charginos and neutralinos at √s = 13 TeV after 35.9 fb–1 by CMS and constraints on spin-independent dark matter–nucleon cross sections from XENON1T after 1 tonne × year exposure are considered. We find that scenarios with higgsino masses below ~250 GeV as well as singlino masses below ~100 GeV are strongly constrained depending, however, on assumptions on the bino mass parameter M1. Benchmark points and branching fractions for future searches at the LHC are proposed.},
doi = {10.1140/epjc/s10052-018-6204-3},
url = {https://www.osti.gov/biblio/1544011}, journal = {European Physical Journal. C, Particles and Fields},
issn = {1434-6044},
number = 9,
volume = 78,
place = {United States},
year = {2018},
month = {9}
}

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Cited by: 12 works
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    Works referencing / citing this record:

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    Bayesian analysis of sneutrino dark matter in the NMSSM with a type-I seesaw mechanism
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