Scenarios for gluino coannihilation

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

doi:10.1007/JHEP02(2016)071

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); University of Minnesota
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.

View Accepted Manuscript (DOE)

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

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: SC0011842

OSTI ID:: 1327260

Alternate ID(s):: OSTI ID: 22587914

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

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Should we still believe in constrained supersymmetry? Balazs, Csaba; Buckley, Andy; Carter, Daniel Proceedings of VIII International Workshop on the Dark Side of the Universe — PoS(DSU 2012) https://doi.org/10.22323/1.161.0004	conference	June 2013
Light Stop from b-tau Yukawa Unification Gogoladze, Ilia; Raza, Shabbar; Shafi, Qaisar arXiv https://doi.org/10.48550/arxiv.1104.3566	text	January 2011
Probing High-Scale and Split Supersymmetry with Higgs Mass Measurements Giudice, Gian F.; Strumia, Alessandro arXiv https://doi.org/10.48550/arxiv.1108.6077	text	January 2011
The Lightest Higgs Boson Mass in Pure Gravity Mediation Model Ibe, Masahiro; Yanagida, Tsutomu T. arXiv https://doi.org/10.48550/arxiv.1112.2462	text	January 2011
Constrained Supersymmetry after two years of LHC data: a global view with Fittino Bechtle, Philip; Bringmann, Torsten; Desch, Klaus arXiv https://doi.org/10.48550/arxiv.1204.4199	text	January 2012
Strong moduli stabilization and phenomenology Dudas, Emilian; Linde, Andrei; Mambrini, Yann arXiv https://doi.org/10.48550/arxiv.1209.0499	text	January 2012
The Higgs Mass beyond the CMSSM Ellis, John; Luo, Feng; Olive, Keith A. arXiv https://doi.org/10.48550/arxiv.1212.4476	text	January 2012
Universality in Pure Gravity Mediation Evans, Jason L.; Ibe, Masahiro; Olive, Keith A. arXiv https://doi.org/10.48550/arxiv.1302.5346	text	January 2013
A Closer Look at Gaugino Masses in Pure Gravity Mediation Model/Minimal Split SUSY Model Harigaya, Keisuke; Ibe, Masahiro; Yanagida, Tsutomu T. arXiv https://doi.org/10.48550/arxiv.1310.0643	text	January 2013
Neutralino Dark Matter at 14 and 100 TeV Low, Matthew; Wang, Lian-Tao arXiv https://doi.org/10.48550/arxiv.1404.0682	text	January 2014
The Extent of the Stop Coannihilation Strip Ellis, John; Olive, Keith A.; Zheng, Jiaming arXiv https://doi.org/10.48550/arxiv.1404.5571	text	January 2014
Gluino Coannihilation Revisited Ellis, John; Luo, Feng; Olive, Keith A. arXiv https://doi.org/10.48550/arxiv.1503.07142	text	January 2015
Probing Bino-Gluino Coannihilation at the LHC Nagata, Natsumi; Otono, Hidetoshi; Shirai, Satoshi arXiv https://doi.org/10.48550/arxiv.1504.00504	text	January 2015
Collider Interplay for Supersymmetry, Higgs and Dark Matter Buchmueller, O.; Citron, M.; Ellis, J. arXiv https://doi.org/10.48550/arxiv.1505.04702	text	January 2015
Supersymmetric Dark Matter after LHC Run 1 Bagnaschi, E. A.; Buchmueller, O.; Cavanaugh, R. arXiv https://doi.org/10.48550/arxiv.1508.01173	preprint	January 2015
Closing in on compressed gluino-neutralino spectra at the LHC Chalons, Guillaume; Sengupta, Dipan arXiv https://doi.org/10.48550/arxiv.1508.06735	text	January 2015
Beyond the CMSSM without an Accelerator: Proton Decay and Direct Dark Matter Detection Ellis, John; Evans, Jason L.; Luo, Feng arXiv https://doi.org/10.48550/arxiv.1509.08838	text	January 2015
Neutralino Dark Matter in Focus Point Supersymmetry Feng, Jonathan L.; Matchev, Konstantin T.; Wilczek, Frank arXiv https://doi.org/10.48550/arxiv.hep-ph/0004043	text	January 2000
One Loop Soft Supersymmetry Breaking Terms in Superstring Effective Theories Binetruy, Pierre; Gaillard, Mary K.; Nelson, Brent D. arXiv https://doi.org/10.48550/arxiv.hep-ph/0011081	text	January 2000
The CMSSM Parameter Space at Large tan beta Ellis, J.; Falk, T.; Ganis, G. arXiv https://doi.org/10.48550/arxiv.hep-ph/0102098	text	January 2001
New Cosmological and Experimental Constraints on the CMSSM Roszkowski, Leszek; de Austri, Roberto Ruiz; Nihei, Takeshi arXiv https://doi.org/10.48550/arxiv.hep-ph/0106334	text	January 2001
Constraints on the Minimal Supergravity Model and Prospects for SUSY Particle Production at Future Linear e^+ e^- Colliders Djouadi, A.; Drees, M.; Kneur, J. L. arXiv https://doi.org/10.48550/arxiv.hep-ph/0107316	text	January 2001
Higgs-Boson Pole Masses in the MSSM with Explicit CP Violation Carena, M.; Ellis, J.; Pilaftsis, A. arXiv https://doi.org/10.48550/arxiv.hep-ph/0111245	text	January 2001
Neutralino relic density in minimal supergravity with co-annihilations Baer, Howard; Balazs, Csaba; Belyaev, Alexander arXiv https://doi.org/10.48550/arxiv.hep-ph/0202076	text	January 2002
The MSSM Parameter Space with Non-Universal Higgs Masses Ellis, John; Olive, Keith A.; Santoso, Yudi arXiv https://doi.org/10.48550/arxiv.hep-ph/0204192	text	January 2002
Exploration of the MSSM with Non-Universal Higgs Masses Ellis, J.; Falk, T.; Olive, K. A. arXiv https://doi.org/10.48550/arxiv.hep-ph/0210205	text	January 2002
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
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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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