On the evolution process of two-component dark matter in the Sun
Abstract We introduce dark matter (DM) evolution process in the Sun under a two-component DM (2DM) scenario. Both DM species χ and ξ with masses heavier than 1 GeV are considered. In this picture, both species could be captured by the Sun through DM-nucleus scattering and DM self-scatterings, e.g. χ...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2018-04-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1007/JHEP04(2018)074 |
| _version_ | 1818437679267708928 |
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| author | Chian-Shu Chen Yen-Hsun Lin |
| author_facet | Chian-Shu Chen Yen-Hsun Lin |
| author_sort | Chian-Shu Chen |
| collection | DOAJ |
| description | Abstract We introduce dark matter (DM) evolution process in the Sun under a two-component DM (2DM) scenario. Both DM species χ and ξ with masses heavier than 1 GeV are considered. In this picture, both species could be captured by the Sun through DM-nucleus scattering and DM self-scatterings, e.g. χχ and ξξ collisions. In addition, the heterogeneous self-scattering due to χ and ξ collision is essentially possible in any 2DM models. This new introduced scattering naturally weaves the evolution processes of the two DM species that was assumed to evolve independently. Moreover, the heterogeneous self-scattering enhances the number of DM being captured in the Sun mutually. This effect significantly exists in a broad range of DM mass spectrum. We have studied this phenomena and its implication for the solar-captured DM annihilation rate. It would be crucial to the DM indirect detection when the two masses are close. General formalism of the 2DM evolution in the Sun as well as its kinematics are studied. |
| first_indexed | 2024-12-14T17:28:30Z |
| format | Article |
| id | doaj.art-c958f63ee6c040dfb23b7dbb38915f4b |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-12-14T17:28:30Z |
| publishDate | 2018-04-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-c958f63ee6c040dfb23b7dbb38915f4b2022-12-21T22:53:09ZengSpringerOpenJournal of High Energy Physics1029-84792018-04-012018412410.1007/JHEP04(2018)074On the evolution process of two-component dark matter in the SunChian-Shu Chen0Yen-Hsun Lin1Department of Physics, Tamkang UniversityDepartment of Physics, National Cheng Kung UniversityAbstract We introduce dark matter (DM) evolution process in the Sun under a two-component DM (2DM) scenario. Both DM species χ and ξ with masses heavier than 1 GeV are considered. In this picture, both species could be captured by the Sun through DM-nucleus scattering and DM self-scatterings, e.g. χχ and ξξ collisions. In addition, the heterogeneous self-scattering due to χ and ξ collision is essentially possible in any 2DM models. This new introduced scattering naturally weaves the evolution processes of the two DM species that was assumed to evolve independently. Moreover, the heterogeneous self-scattering enhances the number of DM being captured in the Sun mutually. This effect significantly exists in a broad range of DM mass spectrum. We have studied this phenomena and its implication for the solar-captured DM annihilation rate. It would be crucial to the DM indirect detection when the two masses are close. General formalism of the 2DM evolution in the Sun as well as its kinematics are studied.http://link.springer.com/article/10.1007/JHEP04(2018)074Beyond Standard ModelCosmology of Theories beyond the SM |
| spellingShingle | Chian-Shu Chen Yen-Hsun Lin On the evolution process of two-component dark matter in the Sun Journal of High Energy Physics Beyond Standard Model Cosmology of Theories beyond the SM |
| title | On the evolution process of two-component dark matter in the Sun |
| title_full | On the evolution process of two-component dark matter in the Sun |
| title_fullStr | On the evolution process of two-component dark matter in the Sun |
| title_full_unstemmed | On the evolution process of two-component dark matter in the Sun |
| title_short | On the evolution process of two-component dark matter in the Sun |
| title_sort | on the evolution process of two component dark matter in the sun |
| topic | Beyond Standard Model Cosmology of Theories beyond the SM |
| url | http://link.springer.com/article/10.1007/JHEP04(2018)074 |
| work_keys_str_mv | AT chianshuchen ontheevolutionprocessoftwocomponentdarkmatterinthesun AT yenhsunlin ontheevolutionprocessoftwocomponentdarkmatterinthesun |