Controlling $^{229}$Th isomeric state population in a VUV transparent crystal

Authors: Hiraki, Takahiro, Okai, Koichi, Bartokos, Michael, Beeks, Kjeld, Fujimoto, Hiroyuki, Fukunaga, Yuta, Haba, Hiromitsu, Kasamatsu, Yoshitaka, Kitao, Shinji, Leitner, Adrian, Masuda, Takahiko, Ming, Guan, Nagasawa, Nobumoto, Ogake, Ryoichiro, Pimon, Martin, Pressler, Martin, Sasao, Noboru, Schaden, Fabian, Schumm, Thorsten, Seto, Makoto, Shigekawa, Yudai, Shimizu, Koutaro, Sikorsky, Tomas, Tamasaku, Kenji, Takatori, Sayuri, Watanabe, Tsukasa, Yamaguchi, Atsushi, Yoda, Yoshitaka, Yoshimi, Akihiro, Yoshimura, Koji

Source: Nat Commun 15, 5536 (2024)

Subject Terms: Nuclear Experiment, Physics - Atomic Physics

Access URL: http://arxiv.org/abs/2405.09577

A method to detect the VUV photons from cooled 229Th:CaF[formula omitted] crystals

Authors: Guan, Ming ^{a, ⁎}, Bartokos, Michael ^b, Beeks, Kjeld ^b, Fukunaga, Yuta ^a, Hiraki, Takahiro ^a, Masuda, Takahiko ^a, Miyamoto, Yuki ^a, Ogake, Ryoichiro ^a, Okai, Koichi ^a, Sasao, Noboru ^a, Schaden, Fabian ^b, Schumm, Thorsten ^b, Shimizu, Kotaro ^a, Takatori, Sayuri ^a, Yoshimi, Akihiro ^a, Yoshimura, Koji ^a

Source: In Nuclear Inst. and Methods in Physics Research, B May 2025 562

Experimental apparatus for detection of radiative decay of 229Th isomer from Th-doped CaF2.

Authors: Hiraki, Takahiro, Beeks, Kjeld, Bartokos, Michael, Fujimoto, Hiroyuki, Fukunaga, Yuta, Haba, Hiromitsu, Kasamatsu, Yoshitaka, Kitao, Shinji, Leitner, Adrian, Masuda, Takahiko, Ming, Guan, Nagasawa, Nobumoto, Ogake, Ryoichiro, Okai, Koichi, Pimon, Martin, Pressler, Martin, Sasao, Noboru, Schaden, Fabian, Schumm, Thorsten, Seto, Makoto

Source: Hyperfine Interactions; Dec2024, Vol. 245 Issue 1, p1-9, 9p

Subject Terms: PHOTOMULTIPLIERS, ULTRAVIOLET radiation, PHYSICAL sciences, ULTRAVIOLET lasers, FREQUENCY standards