Gravitino cosmology with a very light neutralino
It has been shown that very light or even massless neutralinos are consistent with all current experiments, given non-universal gaugino masses. Furthermore, a very light neutralino is consistent with astrophysical bounds from supernov{\ae} and cosmological bounds on dark matter. Here we study the co...
| Үндсэн зохиолчид: | , , , |
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| Формат: | Journal article |
| Хэл сонгох: | English |
| Хэвлэсэн: |
2011
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| _version_ | 1826272484478943232 |
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| author | Dreiner, H Hanussek, M Kim, J Sarkar, S |
| author_facet | Dreiner, H Hanussek, M Kim, J Sarkar, S |
| author_sort | Dreiner, H |
| collection | OXFORD |
| description | It has been shown that very light or even massless neutralinos are consistent with all current experiments, given non-universal gaugino masses. Furthermore, a very light neutralino is consistent with astrophysical bounds from supernov{\ae} and cosmological bounds on dark matter. Here we study the cosmological constraints on this scenario from Big Bang nucleosynthesis taking gravitinos into account and find that a very light neutralino is even favoured by current observations. |
| first_indexed | 2024-03-06T22:13:17Z |
| format | Journal article |
| id | oxford-uuid:5289721f-8e71-4ed6-8502-df48920a9268 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T22:13:17Z |
| publishDate | 2011 |
| record_format | dspace |
| spelling | oxford-uuid:5289721f-8e71-4ed6-8502-df48920a92682022-03-26T16:26:18ZGravitino cosmology with a very light neutralinoJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:5289721f-8e71-4ed6-8502-df48920a9268EnglishSymplectic Elements at Oxford2011Dreiner, HHanussek, MKim, JSarkar, SIt has been shown that very light or even massless neutralinos are consistent with all current experiments, given non-universal gaugino masses. Furthermore, a very light neutralino is consistent with astrophysical bounds from supernov{\ae} and cosmological bounds on dark matter. Here we study the cosmological constraints on this scenario from Big Bang nucleosynthesis taking gravitinos into account and find that a very light neutralino is even favoured by current observations. |
| spellingShingle | Dreiner, H Hanussek, M Kim, J Sarkar, S Gravitino cosmology with a very light neutralino |
| title | Gravitino cosmology with a very light neutralino |
| title_full | Gravitino cosmology with a very light neutralino |
| title_fullStr | Gravitino cosmology with a very light neutralino |
| title_full_unstemmed | Gravitino cosmology with a very light neutralino |
| title_short | Gravitino cosmology with a very light neutralino |
| title_sort | gravitino cosmology with a very light neutralino |
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