Measurement of the Radiative-Decay Probability of the Hoyle State Kosuke Sakanashi, Takahiro Kawabata, Tatsuya Furuno, Atsushi Tamii, Rei Niina, Shintaro Okamoto, Masatoshi Ito, Satoshi Adachi, Hidetoshi Akimune, Yohei Matsuda et al. (11 more) EPJ Web Conf., 306 (2024) 01047 Published online: 18 October 2024 DOI: 10.1051/epjconf/202430601047