介绍dmradio-gut，搜索肠尺度QCD轴

论文标题

介绍dmradio-gut，搜索肠尺度QCD轴

Introducing DMRadio-GUT, a search for GUT-scale QCD axions

论文作者

Brouwer, L., Chaudhuri, S., Cho, H. -M., Corbin, J., Dawson, C. S., Droster, A., Foster, J. W., Fry, J. T., Graham, P. W., Henning, R., Irwin, K. D., Kadribasic, F., Kahn, Y., Keller, A., Kolevatov, R., Kuenstner, S., Leder, A. F., Li, D., Ouellet, J. L., Pappas, K. M. W., Phipps, A., Rapidis, N. M., Safdi, B. R., Salemi, C. P., Simanovskaia, M., Singh, J., van Assendelft, E. C., van Bibber, K., Wells, K., Winslow, L., Wisniewski, W. J., Young, B. A.

论文摘要

QCD轴是是领先的暗物质候选者，它是标准模型中强CP问题解决方案的一部分。轴上与光子的耦合是最常见的实验探针，但是许多参数空间仍未开发。 QCD轴与标准模型的耦合与轴质量线性缩放；因此，高度动机的区域0.4-120 NEV与肠道轴相对应，尤其难以到达。本文介绍了对肠道尺度轴的确定搜索的设计要求，并回顾了启用该程序所需的技术进步。

The QCD axion is a leading dark matter candidate that emerges as part of the solution to the strong CP problem in the Standard Model. The coupling of the axion to photons is the most common experimental probe, but much parameter space remains unexplored. The coupling of the QCD axion to the Standard Model scales linearly with the axion mass; therefore, the highly-motivated region 0.4-120 neV, corresponding to a GUT-scale axion, is particularly difficult to reach. This paper presents the design requirements for a definitive search for GUT-scale axions and reviews the technological advances needed to enable this program.

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