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

Journal Article · · European Physical Journal. C, Particles and Fields
 [1];  [2]
  1. Univ. Paris-Sud, Orsay (France). Lab. de l'Accelerateur Lineaire (LAL)
  2. Univ. de Montpellier, Montpellier (France). LUPM

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.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Organization:
USDOE
OSTI ID:
1544011
Journal Information:
European Physical Journal. C, Particles and Fields, Vol. 78, Issue 9; ISSN 1434-6044
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 29 works
Citation information provided by
Web of Science

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Cited By (8)

Revisiting singlino dark matter of the natural Z3-symmetric NMSSM in the light of LHC journal September 2019
96 GeV diphoton excess in seesaw extensions of the natural NMSSM journal March 2020
Current status of a natural NMSSM in light of LHC 13 TeV data and XENON-1T results journal April 2019
Bayesian analysis of sneutrino dark matter in the NMSSM with a type-I seesaw mechanism journal June 2019
Light singlino dark matter at the LHC journal October 2020
Is the observed 125 GeV Higgs boson expected to be SM-like in the NMSSM? preprint January 2019
Genuine NMSSM deviations in the 125 GeV Higgs boson decays preprint January 2020
Singlino-dominated dark matter in general NMSSM text January 2021

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