Scenarios for gluino coannihilation

Ellis, John; Evans, Jason L.; Luo, Feng; Olive, Keith A.

doi:10.1007/JHEP02(2016)071

Title: Scenarios for gluino coannihilation

Journal Article · Thu Feb 11 00:00:00 EST 2016 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/JHEP02(2016)071· OSTI ID:1327260

Ellis, John ^[1]; Evans, Jason L. ^[2]; Luo, Feng ^[3]; Olive, Keith A. ^[2]

King's College London (United Kingdom); European Organization for Nuclear Research (CERN), Geneva (Switzerland)
Univ. of Minnesota, Minneapolis, MN (United States)
European Organization for Nuclear Research (CERN), Geneva (Switzerland)

In this article, we study supersymmetric scenarios in which the gluino is the next-to-lightest supersymmetric particle (NLSP), with a mass sufficiently close to that of the lightest supersymmetric particle (LSP) that gluino coannihilation becomes important. One of these scenarios is the MSSM with soft supersymmetry-breaking squark and slepton masses that are universal at an input GUT renormalization scale, but with non-universal gaugino masses. The other scenario is an extension of the MSSM to include vector-like supermultiplets. In both scenarios, we identify the regions of parameter space where gluino coannihilation is important, and discuss their relations to other regions of parameter space where other mechanisms bring the dark matter density into the range allowed by cosmology. In the case of the non-universal MSSM scenario, we find that the allowed range of parameter space is constrained by the requirement of electroweak symmetry breaking, the avoidance of a charged LSP and the measured mass of the Higgs boson, in particular, as well as the appearance of other dark matter (co)annihilation processes. Nevertheless, LSP masses m_X ≲ 8TeV with the correct dark matter density are quite possible. In the case of pure gravity mediation with additional vector-like supermultiplets, changes to the anomaly-mediated gluino mass and the threshold effects associated with these states can make the gluino almost degenerate with the LSP, and we find a similar upper bound.

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Research Organization:: Univ. of Minnesota, Minneapolis, MN (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: SC0011842

OSTI ID:: 1327260

Journal Information:: Journal of High Energy Physics (Online), Vol. 2016, Issue 2; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 29 works

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Towards High-Precision Predictions for the MSSM Higgs Sector Degrassi, G.; Heinemeyer, S.; Hollik, W. arXiv https://doi.org/10.48550/arxiv.hep-ph/0212020	text	January 2002
Accurate relic densities with neutralino, chargino and sfermion coannihilations in mSUGRA Edsjo, Joakim; Schelke, Mia; Ullio, Piero arXiv https://doi.org/10.48550/arxiv.hep-ph/0301106	text	January 2003
Supersymmetric Dark Matter in Light of WMAP Ellis, J.; Olive, K. A.; Santoso, Y. arXiv https://doi.org/10.48550/arxiv.hep-ph/0303043	text	January 2003
Split Supersymmetry Giudice, G. F.; Romanino, A. arXiv https://doi.org/10.48550/arxiv.hep-ph/0406088	text	January 2004
Aspects of Split Supersymmetry Arkani-Hamed, N.; Dimopoulos, S.; Giudice, G. F. arXiv https://doi.org/10.48550/arxiv.hep-ph/0409232	text	January 2004
PeV-Scale Supersymmetry Wells, James D. arXiv https://doi.org/10.48550/arxiv.hep-ph/0411041	text	January 2004
Neutralino Cold Dark Matter in a One Parameter Extension of the Minimal Supergravity Model Baer, Howard; Mustafayev, Azar; Profumo, Stefano arXiv https://doi.org/10.48550/arxiv.hep-ph/0412059	text	January 2004
Possible Signals of Wino LSP at the Large Hadron Collider Ibe, M.; Moroi, Takeo; Yanagida, T. T. arXiv https://doi.org/10.48550/arxiv.hep-ph/0610277	text	January 2006
The Higgs Boson Masses and Mixings of the Complex MSSM in the Feynman-Diagrammatic Approach Frank, M.; Hahn, T.; Heinemeyer, S. arXiv https://doi.org/10.48550/arxiv.hep-ph/0611326	text	January 2006
Coannihilation Effects and Relic Abundance of Higgsino-Dominant LSPs Mizuta, Satoshi; Yamaguchi, Masahiro arXiv https://doi.org/10.48550/arxiv.hep-ph/9208251	text	January 1992
Neutralino dark matter in supersymmetric models with non--universal scalar mass terms Berezinsky, V.; Bottino, A.; Ellis, J. arXiv https://doi.org/10.48550/arxiv.hep-ph/9508249	text	January 1995
Cosmological Relic Density from Minimal Supergravity with Implications for Collider Physics Baer, Howard; Brhlik, Michal arXiv https://doi.org/10.48550/arxiv.hep-ph/9508321	text	January 1995
Light Higgsino Dark Matter Drees, M.; Nojiri, M. M.; Roy, D. P. arXiv https://doi.org/10.48550/arxiv.hep-ph/9701219	text	January 1997
Neutralino Relic Density including Coannihilations Edsjo, J.; Gondolo, P. arXiv https://doi.org/10.48550/arxiv.hep-ph/9704361	text	January 1997
Relic Density of Neutralino Dark Matter in Supergravity Models Barger, V.; Kao, Chung arXiv https://doi.org/10.48550/arxiv.hep-ph/9704403	text	January 1997
Constraints on Neutralino Dark Matter from LEP 2 and Cosmology Ellis, John; Falk, Toby; Olive, Keith A. arXiv https://doi.org/10.48550/arxiv.hep-ph/9705444	text	January 1997
Charginos and Neutralinos in the Light of Radiative Corrections: Sealing the Fate of Higgsino Dark Matter Ellis, John; Falk, Toby; Ganis, Gerardo arXiv https://doi.org/10.48550/arxiv.hep-ph/9801445	text	January 1998
Gaugino Mass without Singlets Giudice, Gian F.; Luty, Markus A.; Murayama, Hitoshi arXiv https://doi.org/10.48550/arxiv.hep-ph/9810442	text	January 1998
FeynHiggs: a program for the calculation of the masses of the neutral CP-even Higgs bosons in the MSSM Heinemeyer, S.; Hollik, W.; Weiglein, G. arXiv https://doi.org/10.48550/arxiv.hep-ph/9812320	text	January 1998
Supersymmetric Cold Dark Matter with Yukawa Unification Gomez, M. E.; Lazarides, G.; Pallis, C. arXiv https://doi.org/10.48550/arxiv.hep-ph/9907261	text	January 1999
Focus Points and Naturalness in Supersymmetry Feng, Jonathan L.; Matchev, Konstantin T.; Moroi, Takeo arXiv https://doi.org/10.48550/arxiv.hep-ph/9909334	text	January 1999
Out Of This World Supersymmetry Breaking Randall, Lisa; Sundrum, Raman arXiv https://doi.org/10.48550/arxiv.hep-th/9810155	text	January 1998
Anomaly mediation in supergravity theories Bagger, Jonathan; Moroi, Takeo; Poppitz, Erich arXiv https://doi.org/10.48550/arxiv.hep-th/9911029	text	January 1999

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Gluino coannihilation and observability of gluinos at LHC run II Nath, Pran; Spisak, Andrew B. Physical Review D, Vol. 93, Issue 9 https://doi.org/10.1103/physrevd.93.095023	journal	May 2016
Global fits of GUT-scale SUSY models with GAMBIT Athron, Peter; Balázs, Csaba; Bringmann, Torsten The European Physical Journal C, Vol. 77, Issue 12 https://doi.org/10.1140/epjc/s10052-017-5167-0	journal	December 2017
Likelihood analysis of the sub-GUT MSSM in light of LHC 13-TeV data Costa, J. C.; Bagnaschi, E.; Sakurai, K. The European Physical Journal C, Vol. 78, Issue 2 https://doi.org/10.1140/epjc/s10052-018-5633-3	journal	February 2018
Stop coannihilation in the CMSSM and SubGUT models Ellis, John; Evans, Jason L.; Luo, Feng The European Physical Journal C, Vol. 78, Issue 5 https://doi.org/10.1140/epjc/s10052-018-5831-z	journal	May 2018
A minimal SU(5) SuperGUT in pure gravity mediation Evans, Jason L.; Nagata, Natsumi; Olive, Keith A. The European Physical Journal C, Vol. 79, Issue 6 https://doi.org/10.1140/epjc/s10052-019-6980-4	journal	June 2019
Likelihood Analysis of the pMSSM11 in Light of LHC 13-TeV Data Bagnaschi, Emanuele; Sakurai, K.; Borsato, M. Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2017-11875	text	January 2017
Rapid bound-state formation of Dark Matter in the Early Universe Binder, Tobias; Mukaida, Kyohei; Petraki, Kalliopi Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2020-01811	text	January 2020
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Global fits of GUT-scale SUSY models with GAMBIT Peter, Athron,; Csaba, Balázs,; Torsten, Bringmann, Springer https://doi.org/10.5167/uzh-148660	text	January 2017
Likelihood analysis of the pMSSM11 in light of LHC 13-TeV data Bagnaschi, E.; Sakurai, K.; Borsato, M. The European Physical Journal C, Vol. 78, Issue 3 https://doi.org/10.1140/epjc/s10052-018-5697-0	journal	March 2018
Dark matter Sommerfeld-enhanced annihilation and bound-state decay at finite temperature Binder, Tobias; Covi, Laura; Mukaida, Kyohei Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2019-00230	text	January 2018
Global fits of GUT-scale SUSY models with GAMBIT Collaboration, The GAMBIT; Athron, Peter; Balázs, Csaba arXiv https://doi.org/10.48550/arxiv.1705.07935	text	January 2017
Gravitino Decay in High Scale Supersymmetry with R-parity Violation Dudas, Emilian; Gherghetta, Tony; Kaneta, Kunio arXiv https://doi.org/10.48550/arxiv.1805.07342	text	January 2018
Dark Matter Sommerfeld-enhanced annihilation and Bound-state decay at finite temperature Binder, Tobias; Covi, Laura; Mukaida, Kyohei arXiv https://doi.org/10.48550/arxiv.1808.06472	text	January 2018
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