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arxiv: 2405.07303 · v1 · pith:VANNDE4Rnew · submitted 2024-05-12 · ✦ hep-ex · hep-ph· physics.ins-det

Search for solar axions by Primakoff effect with the full dataset of the CDEX-1B Experiment

L. T. Yang , S. K. Liu , Q. Yue , K. J. Kang , Y. J. Li , H. P. An , Greeshma C. , J. P. Chang
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Y. H. Chen J. P. Cheng W. H. Dai Z. Deng C. H. Fang X. P. Geng H. Gong Q. J. Guo T. Guo X. Y. Guo L. He J. R. He J. W. Hu H. X. Huang T. C. Huang L. Jiang S. Karmakar H. B. Li H. Y. Li J. M. Li J. Li M. C. Li Q. Y. Li R. M. J. Li X. Q. Li Y. L. Li Y. F. Liang B. Liao F. K. Lin S. T. Lin J. X. Liu Y. D. Liu Y. Liu Y. Y. Liu H. Ma Y. C. Mao Q. Y. Nie H. Pan N. C. Qi J. Ren X. C. Ruan M. B. Shen M. K. Singh T. X. Sun W. L. Sun C. J. Tang Y. Tian G. F. Wang J. Z. Wang L. Wang Q. Wang Y. F. Wang Y. X. Wang H. T. Wong Y. C. Wu H. Y. Xing K. Z. Xiong R. Xu Y. Xu T. Xue Y. L. Yan N. Yi C. X. Yu H. J. Yu M. Zeng Z. Zeng B. T. Zhang F. S. Zhang L. Zhang P. Zhang Z. H. Zhang Z. Y. Zhang J. Z. Zhao K. K. Zhao M. G. Zhao J. F. Zhou Z. Y. Zhou J. J. Zhu
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classification ✦ hep-ex hep-phphysics.ins-det
keywords axionscdex-1bcouplingdataexperimentgammamassaxion
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We present the first limit on $g_{A\gamma}$ coupling constant using the Bragg-Primakoff conversion based on an exposure of 1107.5 kg days of data from the CDEX-1B experiment at the China Jinping Underground Laboratory. The data are consistent with the null signal hypothesis, and no excess signals are observed. Limits of the coupling $g_{A\gamma}<2.08\times10^{-9}$ GeV$^{-1}$ (95\% C.L.) are derived for axions with mass up to 100 eV/$c^2$. Within the hadronic model of KSVZ, our results exclude axion mass $>5.3~\rm{eV}/c^2$ at 95\% C.L.

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