γ-Ray emission signals in the massive graviton mediated dark matter model
Dark matter may interact with Standard Model (SM) particle through the exchange of a massive spin-2 graviton producing signals that can be detected. In this work we examine the γ-ray emission signals, including the line emission and the continuous spectrum component in such a massive graviton-mediat...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2017-03-01
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| Series: | Nuclear Physics B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0550321317300068 |
| _version_ | 1819298882956296192 |
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| author | Cun Zhang Ming-Yang Cui Lei Feng Yi-Zhong Fan Zhong-Zhou Ren |
| author_facet | Cun Zhang Ming-Yang Cui Lei Feng Yi-Zhong Fan Zhong-Zhou Ren |
| author_sort | Cun Zhang |
| collection | DOAJ |
| description | Dark matter may interact with Standard Model (SM) particle through the exchange of a massive spin-2 graviton producing signals that can be detected. In this work we examine the γ-ray emission signals, including the line emission and the continuous spectrum component in such a massive graviton-mediated dark matter model. The constraints of LHC data, dark matter relic density as well as the dark matter indirect detection data have been applied to narrow down the parameter space. We focus on the vector dark matter model which could produce detectable γ-ray line signal. It is found that the γ-ray line data is effective on constraining the model parameters and the ongoing and upcoming space or ground-based γ-ray experiments can constrain the model further. As for the continuous γ-ray emission, the total effective annihilation cross section is ∼10−26 cm3s−1 except at the region where dark matter mass is around the graviton mass or half of it, which is consistent with current observational data and will be reliably probed by the upcoming CTA. |
| first_indexed | 2024-12-24T05:36:58Z |
| format | Article |
| id | doaj.art-74fe2868814644feb5ed5734f1dc8e4c |
| institution | Directory Open Access Journal |
| issn | 0550-3213 1873-1562 |
| language | English |
| last_indexed | 2024-12-24T05:36:58Z |
| publishDate | 2017-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Nuclear Physics B |
| spelling | doaj.art-74fe2868814644feb5ed5734f1dc8e4c2022-12-21T17:12:59ZengElsevierNuclear Physics B0550-32131873-15622017-03-01916C20821810.1016/j.nuclphysb.2017.01.003γ-Ray emission signals in the massive graviton mediated dark matter modelCun Zhang0Ming-Yang Cui1Lei Feng2Yi-Zhong Fan3Zhong-Zhou Ren4School of Physics, Nanjing University, Nanjing, 210092, ChinaSchool of Physics, Nanjing University, Nanjing, 210092, ChinaKey Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, ChinaKey Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, ChinaSchool of Physics, Nanjing University, Nanjing, 210092, ChinaDark matter may interact with Standard Model (SM) particle through the exchange of a massive spin-2 graviton producing signals that can be detected. In this work we examine the γ-ray emission signals, including the line emission and the continuous spectrum component in such a massive graviton-mediated dark matter model. The constraints of LHC data, dark matter relic density as well as the dark matter indirect detection data have been applied to narrow down the parameter space. We focus on the vector dark matter model which could produce detectable γ-ray line signal. It is found that the γ-ray line data is effective on constraining the model parameters and the ongoing and upcoming space or ground-based γ-ray experiments can constrain the model further. As for the continuous γ-ray emission, the total effective annihilation cross section is ∼10−26 cm3s−1 except at the region where dark matter mass is around the graviton mass or half of it, which is consistent with current observational data and will be reliably probed by the upcoming CTA.http://www.sciencedirect.com/science/article/pii/S0550321317300068 |
| spellingShingle | Cun Zhang Ming-Yang Cui Lei Feng Yi-Zhong Fan Zhong-Zhou Ren γ-Ray emission signals in the massive graviton mediated dark matter model Nuclear Physics B |
| title | γ-Ray emission signals in the massive graviton mediated dark matter model |
| title_full | γ-Ray emission signals in the massive graviton mediated dark matter model |
| title_fullStr | γ-Ray emission signals in the massive graviton mediated dark matter model |
| title_full_unstemmed | γ-Ray emission signals in the massive graviton mediated dark matter model |
| title_short | γ-Ray emission signals in the massive graviton mediated dark matter model |
| title_sort | γ ray emission signals in the massive graviton mediated dark matter model |
| url | http://www.sciencedirect.com/science/article/pii/S0550321317300068 |
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