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

2024/05/12 by L. T. Yang, S. K. Liu, Yang, L. T. +169
Computer Science · Physics and Astronomy · #Computational Physics and Python Applications #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #Instrumentation and Detectors (physics.ins-det) #Solar and Space Plasma Dynamics

paper · pdf · doi:10.48550/arxiv.2405.07303

openalex publication_date 2024/05/12 · openalex created_date 2024/05/15 · openalex updated_date 2026/07/28

Abstract

We present the first limit on g_Aγ 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_Aγ<2.08×10^-9 GeV^-1 (95% C.L.) are derived for axions with mass up to 100 eV/c². Within the hadronic model of KSVZ, our results exclude axion mass >5.3~\rmeV/c² at 95% C.L.

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