附近亚光环对宇宙射线反质子暗物质湮灭约束的影响

Yi Zhao, Xiaojun Bi, Su-jie Lin, P. Yin
{"title":"附近亚光环对宇宙射线反质子暗物质湮灭约束的影响","authors":"Yi Zhao, Xiaojun Bi, Su-jie Lin, P. Yin","doi":"10.1088/1674-1137/ad13f7","DOIUrl":null,"url":null,"abstract":"Numerous simulations indicate that a large number of subhalos should be hosted by the Milky Way. The potential existence of a nearby subhalo could have important implications for our understanding of dark matter (DM) annihilation. In this study, we investigate the hypothetical presence of a nearby subhalo and set the upper limits on the DM annihilation cross section by analyzing the cosmic-ray antiproton spectrum. By presenting the ratios of annihilation cross section limits for scenarios with and without a nearby subhalo, we can quantitatively evaluate the potential impact of the nearby subhalo on the limits of the DM annihilation cross section. The impacts of the concentration model and the subhalo probability distribution have been considered. We explore the antiproton contribution of the potential nearby DM subhalo accounting for the DAMPE $e^\\pm$ spectrum at $\\sim 1.4$ TeV and find that the current AMS-02 antiproton results do not place the constraint on this contribution.","PeriodicalId":504778,"journal":{"name":"Chinese Physics C","volume":"17 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Impact of a nearby subhalo on the constraint of dark matter annihilation from cosmic ray antiprotons\",\"authors\":\"Yi Zhao, Xiaojun Bi, Su-jie Lin, P. Yin\",\"doi\":\"10.1088/1674-1137/ad13f7\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Numerous simulations indicate that a large number of subhalos should be hosted by the Milky Way. The potential existence of a nearby subhalo could have important implications for our understanding of dark matter (DM) annihilation. In this study, we investigate the hypothetical presence of a nearby subhalo and set the upper limits on the DM annihilation cross section by analyzing the cosmic-ray antiproton spectrum. By presenting the ratios of annihilation cross section limits for scenarios with and without a nearby subhalo, we can quantitatively evaluate the potential impact of the nearby subhalo on the limits of the DM annihilation cross section. The impacts of the concentration model and the subhalo probability distribution have been considered. We explore the antiproton contribution of the potential nearby DM subhalo accounting for the DAMPE $e^\\\\pm$ spectrum at $\\\\sim 1.4$ TeV and find that the current AMS-02 antiproton results do not place the constraint on this contribution.\",\"PeriodicalId\":504778,\"journal\":{\"name\":\"Chinese Physics C\",\"volume\":\"17 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-09-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Chinese Physics C\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1088/1674-1137/ad13f7\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chinese Physics C","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/1674-1137/ad13f7","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0

摘要

大量模拟结果表明,银河系中应该存在大量的亚halos。附近亚哈洛的潜在存在可能会对我们理解暗物质(DM)湮灭产生重要影响。在这项研究中,我们通过分析宇宙射线反质子能谱,研究了附近存在亚哈罗的假设,并设定了暗物质湮灭截面的上限。通过给出附近存在和不存在亚哈洛的情况下湮灭截面极限的比值,我们可以定量评估附近亚哈洛对DM湮灭截面极限的潜在影响。我们考虑了浓度模型和子卤概率分布的影响。我们探索了在$\sim 1.4$ TeV下DAMPE $e^\pm$谱的潜在邻近DM亚halo对反质子的贡献,发现目前的AMS-02反质子结果并没有对这一贡献施加约束。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
Impact of a nearby subhalo on the constraint of dark matter annihilation from cosmic ray antiprotons
Numerous simulations indicate that a large number of subhalos should be hosted by the Milky Way. The potential existence of a nearby subhalo could have important implications for our understanding of dark matter (DM) annihilation. In this study, we investigate the hypothetical presence of a nearby subhalo and set the upper limits on the DM annihilation cross section by analyzing the cosmic-ray antiproton spectrum. By presenting the ratios of annihilation cross section limits for scenarios with and without a nearby subhalo, we can quantitatively evaluate the potential impact of the nearby subhalo on the limits of the DM annihilation cross section. The impacts of the concentration model and the subhalo probability distribution have been considered. We explore the antiproton contribution of the potential nearby DM subhalo accounting for the DAMPE $e^\pm$ spectrum at $\sim 1.4$ TeV and find that the current AMS-02 antiproton results do not place the constraint on this contribution.
求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
自引率
0.00%
发文量
0
期刊最新文献
Photonuclear reactions on 59Co at bremsstrahlung end-point energies of 40–130 MeV Estimating the production of dark photons with $\eta$ decay in high-energy collisions New measurement of the neutron-induced total cross-sections of natCr in a wide energy range on the Back-n at CSNS Cosmological constraints on the background dynamics of a two-field nonsingular bounce model The Effects of Torsion Charge on Optical Appearances and Additional Photon Rings of an Asymmetric Thin-Shell Wormhole
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1