Electron-target experiment constraints on light dark matter produced in primordial black hole evaporation

Electron-target experiment constraints on light dark matter produced in primordial black hole evaporation
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原初黑洞蒸发产生的光暗物质的电子靶实验约束

DOI:
10.1103/physrevd.106.055043
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发表时间:
2022-03
期刊:
影响因子:
5
通讯作者:
Jiajun Liao
Jiajun Liao
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Tong Li;Jiajun Liao

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银河系中的轻亚GeV暗物质(DM)粒子或宏观物体,如原始黑洞(PBH)成为有吸引力的DM候选人,由于从直接检测实验的WIMP零结果。我们探索了目前的PBH作为一种新来源的可能性,以利用目前和未来的地面设施生产光增强DM和限制光PBH。我们研究了电子弹性散射数据,并获得了来自Super-Kamiokande和XENON 1 T对PBH蒸发的助推DM的电流约束。亚GeV的DM-电子散射截面和DM组成的PBH F PBH的分数的前瞻性的界限也施加为未来的氙实验。
Light sub-GeV dark matter (DM) particles in the Milky Way or macroscopic objects such as primordial black holes (PBHs) become attractive DM candidates due to null results of WIMP from direct detection experiments. We explore the possibility in which the present PBHs play as a novel source to produce light boosted DM and confine light PBHs with current and future terrestrial facilities. We study the electron elastic scattering data and obtain the current constraints from Super-Kamiokande and XENON1T on the boosted DM from PBH evaporation. The prospective bounds on the sub-GeV DM-electron scattering cross section and the fraction of DM composed of PBHs f PBH are also imposed for future Xenon experiments.
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