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gamma-Ray emission signals in the massive graviton mediated dark matter model
Zhang, Cun; Cui, Ming-Yang; Feng, Lei; Fan, Yi-Zhong; Ren, Zhong-Zhou
2017
发表期刊NUCLEAR PHYSICS B
卷号916页码:208-218
摘要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 gamma-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 gamma-ray line signal. It is found that the gamma-ray line data is effective on constraining the model parameters and the ongoing and upcoming space or ground-based gamma-ray experiments can constrain the model further. As for the continuous gamma-ray emission, the total effective annihilation cross section is similar to 10(-26) cm(3) s(-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. (C) 2017 The Authors. Published by Elsevier B.V.
语种英语
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/17329
专题暗物质和空间天文实验室
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GB/T 7714
Zhang, Cun,Cui, Ming-Yang,Feng, Lei,et al. gamma-Ray emission signals in the massive graviton mediated dark matter model[J]. NUCLEAR PHYSICS B,2017,916:208-218.
APA Zhang, Cun,Cui, Ming-Yang,Feng, Lei,Fan, Yi-Zhong,&Ren, Zhong-Zhou.(2017).gamma-Ray emission signals in the massive graviton mediated dark matter model.NUCLEAR PHYSICS B,916,208-218.
MLA Zhang, Cun,et al."gamma-Ray emission signals in the massive graviton mediated dark matter model".NUCLEAR PHYSICS B 916(2017):208-218.
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