Institutional Repository System Of Yunnan Observatories, CAS
| Constraints on Ultraheavy Dark Matter Properties from Dwarf Spheroidal Galaxies with LHAASO Observations | |
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| 发表期刊 | PHYSICAL REVIEW LETTERS
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| 2024-08-06 | |
| 卷号 | 133期号:6 |
| DOI | 10.1103/PhysRevLett.133.061001 |
| 产权排序 | 第24完成单位 |
| 收录类别 | SCI ; EI |
| 摘要 | In this Letter we try to search for signals generated by ultraheavy dark matter at the Large High Altitude Air Shower Observatory (LHAASO) data. We look for possible gamma rays by dark matter annihilation or decay from 16 dwarf spheroidal galaxies in the field of view of the LHAASO. Dwarf spheroidal galaxies are among the most promising targets for indirect detection of dark matter that have low fluxes of astrophysical gamma-ray background while having large amount of dark matter. By analyzing more than 700 days of observational data at LHAASO, no significant dark matter signal from 1 TeV to 1 EeV is detected. Accordingly we derive the most stringent constraints on the ultraheavy dark matter annihilation cross section up to EeV. The constraints on the lifetime of dark matter in decay mode are also derived. |
| 资助项目 | National Key R&D program of China[2018YFA0404201]; National Key R&D program of China[2018YFA0404202]; National Key R&D program of China[2018YFA0404203]; National Key R&D program of China[2018YFA0404204]; National Natural Science Foundation of China[12175248]; National Natural Science Foundation of China[12322302]; Department of Science and Technology of Sichuan Province, China[2021YFSY0030]; Project for Young Scientists in Basic Research of Chinese Academy of Sciences[YSBR-061]; Chinese Academy of Sciences; Program for Innovative Talents and Entrepreneur in Jiangsu; National Science and Technology Development Agency (NSTDA); National Research Council of Thailand (NRCT) under the High-Potential Research Team Grant Program[N42A650868] |
| 项目资助者 | National Key R&D program of China[2018YFA0404201, 2018YFA0404202, 2018YFA0404203, 2018YFA0404204] ; National Natural Science Foundation of China[12175248, 12322302] ; Department of Science and Technology of Sichuan Province, China[2021YFSY0030] ; Project for Young Scientists in Basic Research of Chinese Academy of Sciences[YSBR-061] ; Chinese Academy of Sciences ; Program for Innovative Talents and Entrepreneur in Jiangsu ; National Science and Technology Development Agency (NSTDA) ; National Research Council of Thailand (NRCT) under the High-Potential Research Team Grant Program[N42A650868] |
| 语种 | 英语 |
| 学科领域 | 天文学 ; 星系与银河系 |
| 文章类型 | Article |
| 出版者 | AMER PHYSICAL SOC |
| 出版地 | ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA |
| ISSN | 0031-9007 |
| URL | 查看原文 |
| WOS记录号 | WOS:001382550600001 |
| WOS研究方向 | Physics |
| WOS类目 | Physics, Multidisciplinary |
| 关键词[WOS] | GAMMA ; SEARCH ; ANNIHILATION ; DECAY ; CANDIDATES ; CLUSTER |
| EI入藏号 | 20243316866034 |
| EI主题词 | Galaxies |
| EI分类号 | 657.2 Extraterrestrial Physics and Stellar Phenomena - 931.3 Atomic and Molecular Physics - 932.1 High Energy Physics |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ynao.ac.cn/handle/114a53/27546 |
| 专题 | 星系类星体研究组 |
| 作者单位 | 1.Key Laboratory of Particle Astrophysics and Experimental Physics Division and Computing Center,; 2.University of Chinese Academy of Sciences; 3.Tianfu Cosmic Ray Research Center; 4.Dublin Institute for Advanced Studies, 31 Fitzwilliam Place, 2 Dublin, Ireland; 5.Max-Planck-Institut for Nuclear Physics, P.O. Box 103980, 69029 Heidelberg, Germany; 6.State Key Laboratory of Particle Detection and Electronics, China; 7.University of Science and Technology of China, 230026 Hefei, Anhui, China; 8.School of Physical Science and Technology and School of Information Science and Technology, Southwest Jiaotong University, 610031 Chengdu, Sichuan, China; 9.School of Astronomy and Space Science, Nanjing University, 210023 Nanjing, Jiangsu, China; 10.Center for Astrophysics, Guangzhou University, 510006 Guangzhou, Guangdong, China; 11.Hebei Normal University, 050024 Shijiazhuang, Hebei, China; 12.Key Laboratory of Dark Matter and Space Astronomy and Key Laboratory of Radio Astronomy, Purple Mountain Observatory,; 13.Tsung-Dao Lee Institute and School of Physics and Astronomy, Shanghai Jiao Tong University, 200240 Shanghai, China; 14.Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory,; 15.Key Laboratory of Cosmic Rays (Tibet University), Ministry of Education, 850000 Lhasa, Tibet, China; 16.National Astronomical Observatories,; 17.School of Physics and Astronomy (Zhuhai) and School of Physics (Guangzhou) and Sino-French Institute of Nuclear Engineering and Technology (Zhuhai), Sun Yat-sen University, 519000 Zhuhai and 510275 Guangzhou, Guangdong, China; 18.School of Physics and Astronomy, Yunnan University, 650091 Kunming, Yunnan, China; 19.Département de Physique Nucléaire et Corpusculaire, Faculté de Sciences, Université de Genève, 24 Quai Ernest Ansermet, 1211 Geneva, Switzerland; 20.Institute of Frontier and Interdisciplinary Science, Shandong University, 266237 Qingdao, Shandong, China; 21.APC, Universit’e Paris Cit’e, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, 119 75205 Paris, France; 22.Department of Engineering Physics, Tsinghua University, 100084 Beijing, China; 23.School of Physics and Microelectronics, Zhengzhou University, 450001 Zhengzhou, Henan, China; 24.Yunnan Observatories,; 25.College of Physics, Sichuan University, 610065 Chengdu, Sichuan, China; 26.Institute for Nuclear Research of Russian Academy of Sciences, 117312 Moscow, Russia; 27.Moscow Institute of Physics and Technology, 141700 Moscow, Russia; 28.School of Physics, Peking University, 100871 Beijing, China; 29.School of Physical Science and Technology, Guangxi University, 530004 Nanning, Guangxi, China; 30.Department of Physics, Faculty of Science, Mahidol University, 10400 Bangkok, Thailand; 31.Center for Relativistic Astrophysics and High Energy Physics, School of Physics and Materials Science and Institute of Space Science and Technology, Nanchang University, 330031 Nanchang, Jiangxi, China; 32.National Space Science Center, |
| 推荐引用方式 GB/T 7714 | Cao, Zhen,Aharonian, F.,An, Q.,et al. Constraints on Ultraheavy Dark Matter Properties from Dwarf Spheroidal Galaxies with LHAASO Observations[J]. PHYSICAL REVIEW LETTERS,2024,133(6). |
| APA | Cao, Zhen.,Aharonian, F..,An, Q..,Axikegu.,Bai, Y. X..,...&Zuo, X..(2024).Constraints on Ultraheavy Dark Matter Properties from Dwarf Spheroidal Galaxies with LHAASO Observations.PHYSICAL REVIEW LETTERS,133(6). |
| MLA | Cao, Zhen,et al."Constraints on Ultraheavy Dark Matter Properties from Dwarf Spheroidal Galaxies with LHAASO Observations".PHYSICAL REVIEW LETTERS 133.6(2024). |
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| Constraints on Ultra（456KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 请求全文 | |
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