Klash提案:现状和前景
The Klash Proposal: Status and Perspectives
摘要:
最近,一些作者提出了用一个大体积的谐振腔来寻找质量约为0.2~ $μ$ eV的星系轴子,谐振腔的体积为几十立方米,冷却到4 K,并浸没在位于INFN弗拉斯卡蒂国家实验室的KLOE实验的超导磁体内部产生的约0.6 T的磁场中。这个实验被称为KLASH(KLoe magnet for Axion SearcH),对轴子-光子耦合$g_{aγγ}$的潜在灵敏度约为$6\times10^{-17}$ $\mbox{GeV}^{-1}$,达到了QCD轴子的KSVZ \cite{KSVZ}和DFSZ \cite{DFSZ}模型预测的区域。我们在此报告项目的进展情况。
英文摘要:
Recently some of the authors proposed a search for galactic axions with mass about 0.2~$μ$eV using a large volume resonant cavity, tens of cubic meters, cooled down to 4~K and immersed in a magnetic field of about 0.6~T generated inside the superconducting magnet of the KLOE experiment located at the National Laboratory of Frascati of INFN. This experiment, called KLASH (KLoe magnet for Axion SearcH), has a potential sensitivity on the axion-to-photon coupling, $g_{aγγ}$, of about $6\times10^{-17}$ $\mbox{GeV}^{-1}$, reaching the region predicted by KSVZ\cite{KSVZ} and DFSZ\cite{DFSZ} models of QCD axions. We report here the status of the project.
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