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arXiv 1105.4077hep-phastro-ph.HE
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光暗物质性质的中微子探测器

Neutrino Probes of the Nature of Light Dark Matter

Sanjib K. Agarwalla, Mattias Blennow, Enrique Fernandez Martinez, Olga Mena

摘要:

被引力困在太阳内部的暗物质粒子可能会湮灭成标准模型粒子,产生中微子流。本文还探讨了在未来的多\kton{}中微子探测器中探测这些中微子的前景。我们研究了34/100 \kton{}液氩探测器和100 \kton{}磁化铁量能器探测器的性能。预计这些探测器将以前所未有的精度确定入射中微子的能量和方向,从而可以在5-50 GeV的极低暗物质质量下测试暗物质的性质。通过抑制大气背景的角度削减,这些技术将是敏感的暗物质-核子自旋相关的截面在fb水平,达到最有利的湮灭通道和检测器技术的几个ab。

英文摘要:

Dark matter particles gravitationally trapped inside the Sun may annihilate into Standard Model particles, producing a flux of neutrinos. The prospects of detecting these neutrinos in future multi-\kton{} neutrino detectors designed for other physics searches are explored here. We study the capabilities of a 34/100 \kton{} liquid argon detector and a 100 \kton{} magnetized iron calorimeter detector. These detectors are expected to determine the energy and the direction of the incoming neutrino with unprecedented precision allowing for tests of the dark matter nature at very low dark matter masses, in the range of 5-50 GeV. By suppressing the atmospheric background with angular cuts, these techniques would be sensitive to dark matter - nucleon spin dependent cross sections at the fb level, reaching down to a few ab for the most favorable annihilation channels and detector technology.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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