NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = A.Yamaguchi Found 11 matches. 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 T1/2. 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
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 T1/2, branching ratios.
doi: 10.1038/s41586-019-1542-3
2019YA18 Phys.Rev.Lett. 123, 222501 (2019) A.Yamaguchi, H.Muramatsu, T.Hayashi, N.Yuasa, K.Nakamura, M.Takimoto, H.Haba, K.Konashi, M.Watanabe, H.Kikunaga, K.Maehata, N.Y.Yamasaki, K.Mitsuda Energy of the Th229 Nuclear Clock Isomer Determined by Absolute γ-ray Energy Difference RADIOACTIVITY 233U(α), 229Th(IT); measured decay products, Eγ, Iγ; deduced 229Th isomer energy, γ-ray energy with uncertainties, J, π.
doi: 10.1103/PhysRevLett.123.222501
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
2015YA09 New Journal of Physics 17, 053053 (2015) A.Yamaguchi, M.Kolbe, H.Kaser, T.Reichel, A.Gottwald, E.Peik Experimental search for the low-energy nuclear transition in 229Th with undulator radiation NUCLEAR REACTIONS 229Th(γ, γ'), E<15 eV; measured decay products, Eγ, Iγ; deduced lack of signal relating to the lowest energy nuclear isomeric transition in 229Th.
doi: 10.1088/1367-2630/17/5/053053
2013MA35 Ann.Nucl.Energy 57, 173 (2013) T.Mai Vu, T.Fujii, K.Wada, T.Kojima, T.Kitada, N.Takaki, A.Yamaguchi, H.Watanabe, H.Unesaki Accuracy of thorium cross section of JENDL-4.0 library in thorium based fuel core evaluation NUCLEAR REACTIONS 232Th(n, γ), E<10 MeV; calculated eigenvalues; measured characteristics of two critical cores; deduced underestimated σ value at thermal energy in JENDL-4.0 library.
doi: 10.1016/j.anucene.2013.01.056
1971YA03 Phys.Rev. C3, 1750 (1971) A.Yamaguchi, T.Terasawa, K.Nakahara, Y.Torizuka Excitation of the Giant Resonance in 12C by Inelastic Electron Scattering NUCLEAR REACTIONS 12C(e, e'), E < 250 MeV; measured σ(E;Ee'); deduced form factors. 12C deduced levels, J, π, giant resonance structure.
doi: 10.1103/PhysRevC.3.1750
1970TO13 Phys.Rev.Lett. 25, 874 (1970) Y.Torizuka, A.Yamaguchi, T.Terasawa, Y.Kojima, K.Nakahara, M.Oyamada, K.Itoh, A.Nakada, S.Mitsunobu, M.Kimura Exitation of the Giant Resonance in 12C by Inelastic Electron Scattering NUCLEAR REACTIONS 12C(e, e'), E=250 MeV; measured σ(Ee'); deduced inelastic form factors. 12C deduced levels, J, π.
doi: 10.1103/PhysRevLett.25.874
1969TO01 Phys.Rev.Letters 22, 544(1969) Y.Torizuka, M.Oyamada, K.Nakahara, K.Sugiyama, Y.Kojima, T.Terasawa, K.Itoh, A.Yamaguchi, M.Kimura Electroexcitation of the 10.8-MeV (1-;T=0) Level of 12C and the 7.12-MeV (1-;T=0) Level of 16O NUCLEAR REACTIONS 12C, 16O(e, e'), E=183, 250 MeV; measured σ(Ee'); deduced form factors for E1(ΔT=0) excitation. 12C, 16O deduced levels.
doi: 10.1103/PhysRevLett.22.544
1969TO08 Phys.Rev. 185, 1499 (1969) Y.Torizuka, Y.Kojima, M.Oyamada, K.Nakahara, K.Sugiyama, T.Terasawa, K.Itoh, A.Yamaguchi, M.Kimura Study of Nuclear States in 60Ni by Inelastic Electron Scattering NUCLEAR REACTIONS 60Ni(e, e'), E = 183, 250 MeV; measured σ(Ee', θ); deduced inelastic form factors. 60Ni deduced levels, B(EL).
doi: 10.1103/PhysRev.185.1499
1969TO10 Phys.Rev. 188, 1745 (1969) Y.Torizuka, A.Yamaguchi, K.Nakahara, M.Oyamada, T.Terasawa, K.Itoh, Y.Kojima, M.Kimura Electroexcitation of the Giant Resonance in 12C NUCLEAR REACTIONS 12C(e, e'), E=177, 250 MeV; measured σ(Ee', θ). 12C deduced giant resonance structure.
doi: 10.1103/PhysRev.188.1745
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