Light gravitino dark matter: LHC searches and the Hubble tension
文献类型：期刊论文
| 作者 | Gu, Yuchao1,2; Khlopov, Maxim3,4,5,6; Wu, Lei1; Yang, Jin Min7,8,9; Zhu, Bin2,10 |
| 刊名 | PHYSICAL REVIEW D
 |
| 出版日期 | 2020 |
| 卷号 | 102期号:11页码:115005 |
| ISSN号 | 2470-0010 |
| DOI | 10.1103/PhysRevD.102.115005 |
| 英文摘要 | The recent measurements of the cosmological parameter H-0 from the direct local observations and the inferred value from the cosmic microwave background show approximately 4 sigma discrepancy. This may indicate new physics beyond the standard ACDM. We investigate the keV gravitino dark matter that has a small fraction of nonthermal components (e.g., from the late decay of next-to-lightest-supersymmetric-particle bino) under various cosmological constraints. We find such a scenario is highly predictive and can be tested by searching for the dilepton plus missing energy events at the LHC. Besides, we also discuss its implication for Hubble tension, which can be reduced to 3 sigma level marginally. |
| 学科主题 | Astronomy & Astrophysics ; Physics |
| 语种 | 英语 |
| 源URL | [http://ir.itp.ac.cn/handle/311006/27380]  |
| 专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
| 作者单位 | 1.Nanjing Normal Univ, Dept Phys, Nanjing 210023, Peoples R China 2.Nanjing Normal Univ, Inst Theoret Phys, Nanjing 210023, Peoples R China 3.Yantai Univ, Sch Phys, Yantai 264005, Peoples R China 4.Univ Paris, CNRS, Astroparticule & Cosmol, F-75013 Paris, France 5.Ctr Cosmoparticle Phys Cosm, Kashirskoe Shosse 31, Moscow 115409, Russia 6.Natl Res Nucl Univ MEPHI, Moscow Engn Phys Inst, Kashirskoe Shosse 31, Moscow 115409, Russia 7.Southern Fed Univ, Inst Phys, Stachki 194, Rostov Na Donu 344090, Russia 8.Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan 9.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China 10.Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Gu, Yuchao,Khlopov, Maxim,Wu, Lei,et al. Light gravitino dark matter: LHC searches and the Hubble tension[J]. PHYSICAL REVIEW D,2020,102(11):115005. |
| APA | Gu, Yuchao,Khlopov, Maxim,Wu, Lei,Yang, Jin Min,&Zhu, Bin.(2020).Light gravitino dark matter: LHC searches and the Hubble tension.PHYSICAL REVIEW D,102(11),115005. |
| MLA | Gu, Yuchao,et al."Light gravitino dark matter: LHC searches and the Hubble tension".PHYSICAL REVIEW D 102.11(2020):115005. |
入库方式： OAI收割
来源：理论物理研究所
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