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NSR database version of April 27, 2024.

Search: Author = T.Hiraki

Found 3 matches.

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2021SH28      Phys.Rev. C 104, 024306 (2021)

Y.Shigekawa, A.Yamaguchi, K.Suzuki, H.Haba, T.Hiraki, H.Kikunaga, T.Masuda, S.Nishimura, N.Sasao, A.Yoshimi, K.Yoshimura

Estimation of radiative half-life of ^229mTh by half-life measurement of other nuclear excited states in ²²⁹Th

RADIOACTIVITY ²³³Th(α)[source chemically purified by anion-exchange chromatography]; measured Eα, Iα, Eγ, Iγ, αγ-coin, half-life of levels in ²²⁹Th by αγ(t) using a passivated implanted planar Si (PIPS) detector for α detection, and LaBr₃(Ce) detector for γ radiation. ²²⁹Th; deduced levels, J, π, B(M1), B(E2). Comparison of transition probabilities with estimates from the Alaga rule for intraband transitions, and with previous experimental level T_1/2. ^229mTh; deduced radiative half-life of the 8.28-eV isomer from B(M1) estimated from Alaga Rule for the interband transitions, and compared with experimental and other theoretical values.

doi: 10.1103/PhysRevC.104.024306
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Data from this article have been entered in the XUNDL database. For more information, click here.

2019MA63      Nature(London) 573, 238 (2019)

T.Masuda, A.Yoshimi, A.Fujieda, H.Fujimoto, H.Haba, H.Hara, T.Hiraki, H.Kaino, Y.Kasamatsu, S.Kitao, K.Konashi, Y.Miyamoto, K.Okai, S.Okubo, N.Sasao, M.Seto, T.Schumm, Y.Shigekawa, K.Suzuki, S.Stellmer, K.Tamasaku, S.Uetake, M.Watanabe, T.Watanabe, Y.Yasuda, A.Yamaguchi, Y.Yoda, T.Yokokita, M.Yoshimura, K.Yoshimura

X-ray pumping of the ²²⁹Th nuclear clock isomer

RADIOACTIVITY ²²⁹Th(IT); measured decay products, Eγ, Iγ; deduced nuclear resonance scattering curves, active optical pumping into ^229mTh, resonance energy and T_1/2, branching ratios.

doi: 10.1038/s41586-019-1542-3
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Data from this article have been entered in the XUNDL database. For more information, click here.

2018YO02      Phys.Rev. C 97, 024607 (2018)

A.Yoshimi, H.Hara, T.Hiraki, Y.Kasamatsu, S.Kitao, Y.Kobayashi, K.Konashi, R.Masuda, T.Masuda, Y.Miyamoto, K.Okai, S.Okubo, R.Ozaki, N.Sasao, O.Sato, M.Seto, T.Schumm, Y.Shigekawa, S.Stellmer, K.Suzuki, S.Uetake, M.Watanabe, A.Yamaguchi, Y.Yasuda, Y.Yoda, K.Yoshimura, M.Yoshimura

Nuclear resonant scattering experiment with fast time response: Photonuclear excitation of ²⁰¹Hg

NUCLEAR REACTIONS ²⁰¹Hg(γ, γ), E=high brilliance synchrotron radiation; measured decay signals, fluorescence energy spectrum, x-rays, half-life of 26.27-keV state of ²⁰¹Hg, nuclear resonant scattering (NRS) technique using BL09XU of SPring-8 of Japan Synchrotron Radiation Research Institute (JASRI). ²⁰¹Hg; deduced level, B(M1), σ(NRS).

doi: 10.1103/PhysRevC.97.024607
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Data from this article have been entered in the XUNDL database. For more information, click here.