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Title: Relic neutralino surface at a 100 TeV collider

Journal Article · · Physical Review. D, Particles, Fields, Gravitation and Cosmology
 [1];  [2];  [1];  [1];  [3];  [3];  [4]
  1. Univ. of Notre Dame, Notre Dame, IN (United States)
  2. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  3. Univ. Heidelberg (Germany)
  4. The Univ. of Tokyo, Kashiwa (Japan)

We map the parameter space for minimal supersymmetric Standard Model neutralino dark matter which freezes out to the observed relic abundance, in the limit that all superpartners except the neutralinos and charginos are decoupled. In this space of relic neutralinos, we show the dominant dark matter annihilation modes, the mass splittings among the electroweakinos, direct detection rates, and collider cross sections. The mass difference between the dark matter and the next-to-lightest neutral and charged states is typically much less than electroweak gauge boson masses. With these small mass differences, the relic neutralino surface is accessible to a future 100 TeV hadron collider, which can discover interneutralino mass splittings down to 1 GeV and thermal relic dark matter neutralino masses up to 1.5 TeV with a few inverse attobarns of luminosity. This coverage is a direct consequence of the increased collider energy: in the Standard Model events with missing transverse momentum in the TeV range have mostly hard electroweak radiation, distinct from the soft radiation shed in compressed electroweakino decays. As a result, we exploit this kinematic feature in final states including photons and leptons, tailored to the 100 TeV collider environment.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
1226310
Alternate ID(s):
OSTI ID: 1180318
Report Number(s):
FERMILAB-PUB-14-517-T; IPMU-14-0346; PRVDAQ; arXiv eprint number arXiv:1412.4789; TRN: US1601156
Journal Information:
Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 91, Issue 5; ISSN 1550-7998
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 53 works
Citation information provided by
Web of Science

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Cited By (13)

Compressing the inert doublet model journal February 2016
Illuminating new electroweak states at hadron colliders journal July 2016
Prospects for natural SUSY journal November 2016
Global fits of GUT-scale SUSY models with GAMBIT journal December 2017
A global fit of the MSSM with GAMBIT journal December 2017
Exploring New Models in All Detail with SARAH journal January 2015
Global fits of GUT-scale SUSY models with GAMBIT text January 2017
A global fit of the MSSM with GAMBIT text January 2017
Towards the Final Word on Neutralino Dark Matter text January 2015
Illuminating New Electroweak States at Hadron Colliders text January 2016
Prospects for natural SUSY text January 2016
A global fit of the MSSM with GAMBIT text January 2017
Global fits of GUT-scale SUSY models with GAMBIT text January 2017

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