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Probing GeV-scale MSSM neutralino dark matter in collider and direct detection experiments.
- Source :
-
Physics Letters B . Mar2018, Vol. 778, p296-302. 7p. - Publication Year :
- 2018
-
Abstract
- Given the recent constraints from the dark matter (DM) direct detections, we examine a light GeV-scale (2–30 GeV) neutralino DM in the alignment limit of the Minimal Supersymmetric Standard Model (MSSM). In this limit without decoupling, the heavy CP-even scalar H plays the role of the Standard Model (SM) Higgs boson while the other scalar h can be rather light so that the DM can annihilate through the h resonance or into a pair of h to achieve the observed relic density. With the current collider and cosmological constraints, we find that such a light neutralino DM above 6 GeV can be excluded by the XENON-1T (2017) limits while the survivied parameter space below 6 GeV can be fully tested by the future germanium-based light dark matter detections (such as CDEX), by the Higgs coupling precison measurements or by the production process e + e − → h A at an electron–positron collider (Higgs factory). [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 03702693
- Volume :
- 778
- Database :
- Academic Search Index
- Journal :
- Physics Letters B
- Publication Type :
- Academic Journal
- Accession number :
- 128226614
- Full Text :
- https://doi.org/10.1016/j.physletb.2018.01.030