CRESST- III中自旋相关暗物质与铝酸锂靶相互作用的测试
Testing spin-dependent dark matter interactions with lithium aluminate targets in CRESST-III
摘要：
在过去的几十年里，出现了许多实验来揭示暗物质的本质，这是现代粒子物理学中讨论最多的开放问题之一。其中，位于Gran Sasso国家实验室的CRESST实验，将晶体作为低温声子探测器。在这项工作中，我们提出了两个探测器模块，这两个模块都有10.46克LiAlO $_2$目标CRESST-III的操作的第一个结果。晶体中的锂含量是$^6$ Li，具有奇数个质子和中子，以及$^7$ Li，具有奇数个质子。通过考虑锂和$^{27}$ Al的同位素，我们设置了当前最强的横截面上限自旋相关的相互作用的暗物质与质子和中子的质量区域之间的0.25和1.5 GeV/c $^2$。
英文摘要：
In the past decades, numerous experiments have emerged to unveil the nature of dark matter, one of the most discussed open questions in modern particle physics. Among them, the CRESST experiment, located at the Laboratori Nazionali del Gran Sasso, operates scintillating crystals as cryogenic phonon detectors. In this work, we present first results from the operation of two detector modules which both have 10.46 g LiAlO$_2$ targets in CRESST-III. The lithium contents in the crystal are $^6$Li, with an odd number of protons and neutrons, and $^7$Li, with an odd number of protons. By considering both isotopes of lithium and $^{27}$Al, we set the currently strongest cross section upper limits on spin-dependent interaction of dark matter with protons and neutrons for the mass region between 0.25 and 1.5 GeV/c$^2$.
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