Search for sub-eV axion-like particles in a quasi-parallel stimulated resonant photon-photon collider with "coronagraphy"

arXiv - PHYS - High Energy Physics - Experiment Pub Date : 2024-09-03 DOI:arxiv-2409.01805

Yuri Kirita, Airi Kodama, Kensuke Homma, Catalin Chiochiu, Mihai Cuciuc, Georgiana Giubega, Takumi Hasada, Masaki Hashida, ShinIchiro Masuno, Yoshihide Nakamiya, Liviu Neagu, Vanessa Rozelle Maria Rodrigues, Madalin-Mihai Rosu, Shuji Sakabe, Stefan Victor Tazlauanu, Ovidiu Tesileanu, Shigeki Tokita

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Abstract

Axion-like particles (ALPs) have been searched for with a quasi-parallel stimulated resonant photon-photon collider sensitive to the sub-eV mass range by focusing two-color near-infrared pulse lasers into a vacuum. In this work, we have developed a specialized coronagraphy to mitigate the dominant background photons from optical elements by introducing an eclipse filter. The observed number of signal-like photons was found to be consistent with residual background photons from optical elements through an additional test by degrading the focal point overlapping factor between the two lasers. We then extended the exclusion region in the relation between ALP-photon coupling, $g/M$, and the ALP mass $m$, reaching the most sensitive point $g/M = 4.2\times10^{-7}\,\mathrm{GeV^{-1}}$ at $m = 0.15\,\mathrm{eV}$ for pseudoscalar ALPs.

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在准平行受激共振光子-光子对撞机中利用 "冠状法 "寻找亚电子伏特类轴子粒子

通过将双色近红外脉冲激光器聚焦到真空中，利用对亚电子伏特质量范围敏感的准平行激励共振光子-光子对撞机寻找了类轴子粒子（ALPs）。在这项工作中，我们开发了一种专门的日冕仪，通过引入日蚀滤波器来减少来自光学元件的主要背景光子。通过降低两台激光器之间的焦点重叠系数进行额外测试，发现观测到的类信号光子数量与来自光学元件的残余背景光子相一致。我们扩展了ALP-光子耦合度（g/M$）与ALP质量（m$）之间关系的排除区域，达到了伪高星级ALP在m=0.15,mathrm{eV}$时的最敏感点（g/M=4.2\times10^{-7}\,\mathrm{GeV^{-1}}$）。

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arXiv - PHYS - High Energy Physics - Experiment

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