Supersymmetric mass spectra for gravitino dark matter with a high reheating temperature
Supersymmetric theories with gravitino dark matter generally do not allow the high reheating temperature required by thermal leptogenesis without running afoul of relic abundance or big bang nucleosynthesis constraints. We report on a search for parameter space that satisfies these requirements with...
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| Veröffentlicht in: | The journal of high energy physics 2011-01, Vol.2011 (1), Article 33 |
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| container_title | The journal of high energy physics |
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| creator | Covi, Laura Olechowski, Marek Pokorski, Stefan Turzyński, Krzysztof Wells, James D. |
| description | Supersymmetric theories with gravitino dark matter generally do not allow the high reheating temperature required by thermal leptogenesis without running afoul of relic abundance or big bang nucleosynthesis constraints. We report on a search for parameter space that satisfies these requirements with neutralino as the next-to-lightest superpartner. The main implication is the near degeneracy of the gluino with the other neutralinos in the spectrum. The leading discovery channel at the LHC for this scenario is through monojet plus missing energy events. |
| doi_str_mv | 10.1007/JHEP01(2011)033 |
| format | Article |
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| subjects | Big bang cosmology Classical and Quantum Gravitation Dark matter Elementary Particles Fermions Heating High energy physics Large Hadron Collider Mass spectra Nuclear fusion Nuclei (nuclear physics) Physics Physics and Astronomy Quantum Field Theories Quantum Field Theory Quantum Physics Relativity Theory String Theory Supersymmetry |
| title | Supersymmetric mass spectra for gravitino dark matter with a high reheating temperature |
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