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Constraints on ultracompact minihalos using neutrino signals from gravitino dark matter decay
Zheng, Yun-Long1; Yang, Yu-Peng1,2,4,5; Li, Ming-Zhe3; Zong, Hong-Shi1,5
2014-10-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume14Issue:10Pages:1215-1220
AbstractUltracompact dark matter minihalos (UCMHs) would be formed during the early universe if there were large density perturbations. If dark matter can decay into particles described by the standard model, such as neutrinos, these objects would become potential astrophysical sources of emission which could be detected by instruments such as IceCube. In this paper, we investigate neutrino signals from nearby UCMHs due to gravitino dark matter decay and compare these signals with the background neutrino flux which is mainly from the atmosphere to obtain constraints on the abundance of UCMHs.
KeywordDark Matter Early Universe Dark Matter Halos
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/1674-4527/14/10/001
WOS KeywordCANDIDATES ; ABUNDANCE ; PROBE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000342804500001
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/10550
Collection暗物质和空间天文实验室
Affiliation1.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
2.Nanjing Univ, Dept Astron, Nanjing 210093, Jiangsu, Peoples R China
3.Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Peoples R China
4.Anyang Normal Univ, Coll Phys & Elect Engn, Anyang 455000, Peoples R China
5.Nanjing Univ, Purple Mt Observ, Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Yun-Long,Yang, Yu-Peng,Li, Ming-Zhe,et al. Constraints on ultracompact minihalos using neutrino signals from gravitino dark matter decay[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2014,14(10):1215-1220.
APA Zheng, Yun-Long,Yang, Yu-Peng,Li, Ming-Zhe,&Zong, Hong-Shi.(2014).Constraints on ultracompact minihalos using neutrino signals from gravitino dark matter decay.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,14(10),1215-1220.
MLA Zheng, Yun-Long,et al."Constraints on ultracompact minihalos using neutrino signals from gravitino dark matter decay".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 14.10(2014):1215-1220.
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