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arXiv 2407.04772hep-phhep-ex
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确立 QCD 轴子为暗物质主要形式的终极光穿墙实验

Ultimate light-shining-through-a-wall experiments to establish QCD axions as the dominant form of dark matter

Sebastian Hoof, Joerg Jaeckel, Giuseppe Lucente

AI总结:

本文提出在 haloscope 发现轴子后,利用约100 km长、1 m孔径并配置适当磁场的终极 LSW 实验,打破光子耦合与局部暗物质丰度简并,以确立 QCD 轴子为暗物质主要形式。

摘要:

在 haloscope(晕仪)发现轴子后,要确立轴子为暗物质(DM)粒子,通常需要后续实验来打破轴子与光子的耦合及其局部暗物质丰度之间的简并。鉴于一项发现将证明更重大投资的合理性,我们探索了雄心勃勃的光穿墙(LSW)装置探测 QCD 轴子带的前景。利用 haloscope 中出色的质量测定,我们展示如何设计长度约 100 km、具有适当对准磁场且孔径约 1 m 的 LSW 实验,以在跨越至多四个数量级的质量范围内触及具有充分动机的轴子模型。除了提出发现后实验工作的具体计划外,我们还简要讨论了 LSW 实验之外的互补实验和未来方向。

英文摘要:

Establishing the axion as the dark matter (DM) particle after a haloscope discovery typically requires follow-up experiments to break the degeneracy between the axion's coupling to photons and its local DM abundance. Given that a discovery would justify more significant investments, we explore the prospects of ambitious light-shining-through-a-wall (LSW) setups to probe the QCD axion band. Leveraging the excellent mass determination in haloscopes, we show how to design LSW experiments with lengths on the order of 100 km and suitably aligned magnetic fields with apertures of around 1 m to reach well-motivated axion models across up to four orders of magnitude in mass. Beyond presenting a concrete plan for post-discovery experimental efforts, we briefly discuss complementary experiments and future directions beyond LSW experiments.

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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