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NSR database version of April 11, 2024.

Search: Author = K.Tajiri

Found 12 matches.

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2020NI05      Phys.Rev. C 102, 054327 (2020)

H.Nishibata, K.Tajiri, T.Shimoda, A.Odahara, S.Morimoto, S.Kanaya, A.Yagi, H.Kanaoka, M.R.Pearson, C.D.P.Levy, M.Kimura, N.Tsunoda, T.Otsuka

Structure of the neutron-rich nucleus 30Mg

RADIOACTIVITY 30Na(β-), (β-n), (β-2n)[nuclear-spin-polarized radioactive beam of 28-keV 30Na from U(p, X), E=500 MeV at TRIUMF cyclotron]; measured Eγ, Iγ, γγ and βγ-coin, γγ(θ), β(θ) from spin-polarized 30Na source, isomer half-life by centroid shift of βγ(t) spectrum using eight sets of detector telescopes consisting of a coaxial high-purity Ge detector (HPGe) and thin plastic scintillator at ISAC-TRIUMF facility. 30Mg; deduced levels, J, π, bands, M1 scissors mode, multipolarities, asymmetry parameters for β transitions, β feedings, logft. 30Na; deduce J, π of the ground state, %β-n or Pn and %β-2n or P2n. Comparison with CHFB + LQRPA, AMD + GCM, and large-scale shell model with the EEdf1 interaction, and with previous experimental data.

COMPILATION 30Mg; compiled levels, J, π from literature, and evaluation in the ENSDF database.

doi: 10.1103/PhysRevC.102.054327
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2015NI05      Phys.Rev. C 91, 054305 (2015), Erratum Phys.Rev. C 95, 029902 (2017)

H.Nishibata, R.Leguillon, A.Odahara, T.Shimoda, C.M.Petrache, Y.Ito, J.Takatsu, K.Tajiri, N.Hamatani, R.Yokoyama, E.Ideguchi, H.Watanabe, Y.Wakabayashi, K.Yoshinaga, T.Suzuki, S.Nishimura, D.Beaumel, G.Lehaut, D.Guinet, P.Desesquelles, D.Curien, K.Higashiyama, N.Yoshinaga

High-spin states in 136La and possible structure change in the N=79 region

NUCLEAR REACTIONS 124Sn(17N, 5n), E=5.2 MeV/nucleon, [17N secondary beam from 9Be(18O, 17N), E=9.3 MeV/nucleon primary reaction]; measured Eγ, Iγ, γγ-coin, isomer half-life by γ(t) at RCNP-Osaka facility. 136La; deduced high-spin levels, J, π, isomer, bands, configuration, B(M1), B(E2). Comparison with pair-truncated shell model (PTSM) calculations, and cranked Nilsson-Strutinsky (CNS) model. Systematics of band structures in 130,132,134,136La and N=79 isotones 134Cs, 136La, 138Pr, 140Pm.

doi: 10.1103/PhysRevC.91.054305
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2014SH01      Hyperfine Interactions 225, 183 (2014)

T.Shimoda, K.Tajiri, K.Kura, A.Odahara, M.Suga, Y.Hirayama, N.Imai, H.Miyatake, M.Pearson, C.D.P.Levy, K.P.Jackson, R.Legillon, C.Petrache, T.Fukuchi, N.Hamatani, T.Hori, M.Kazato, Y.Kenmoku, T.Masue, H.Nishibata, T.Suzuki, A.Takashima, R.Yokoyama

Nuclear structure explored by β-delayed decay spectroscopy of spin-polarized radioactive nuclei at TRIUMF ISAC-1

RADIOACTIVITY 29,30Na(β-); measured decay products, Eγ, Iγ; deduced energy levels, J, π. Comparison with available data.

doi: 10.1007/s10751-013-0895-5
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2013LE27      Phys.Rev. C 88, 044309 (2013)

R.Leguillon, H.Nishibata, Y.Ito, C.M.Petrache, A.Odahara, T.Shimoda, N.Hamatani, K.Tajiri, J.Takatsu, R.Yokoyama, E.Ideguchi, H.Watanabe, Y.Wakabayashi, K.Yoshinaga, T.Suzuki, S.Nishimura, D.Beaumel, G.Lehaut, D.Guinet, P.Desesquelles, D.Curien, A.Astier, T.Konstantinopoulos, T.Zerrouki

Spectroscopy of 135La

NUCLEAR REACTIONS 124Sn(17N, 6n), [17N secondary beam from 9Be(18O, 17N)10B, E=9.2 MeV/nucleon primary reaction], E not given; measured Eγ, Iγ, γγ-coin, isomer half-lives by γγ(t) using array of 12 HPGe detectors at RCNP, Osaka facility. 135La; deduced levels, J, π, bands, configuration. Comparison with previous experimental results. Systematics of low-lying states in 127,129,131,133,135,137,139La. Comparison of low-lying states in 135La with N=78 isotones 134Ba and 136Ce.

doi: 10.1103/PhysRevC.88.044309
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2012KU11      Phys.Rev. C 85, 034310 (2012)

K.Kura, K.Tajiri, T.Shimoda, A.Odahara, T.Hori, M.Kazato, T.Masue, M.Suga, A.Takashima, T.Suzuki, T.Fukuchi, Y.Hirayama, N.Imai, H.Miyatake, M.Pearson, C.D.P.Levy, K.P.Jackson

Structure of 28Mg studied by β-decay spectroscopy of spin-polarized 28Na: The first step of systematic studies on neutron-rich Mg isotopes

RADIOACTIVITY 28Na[from Ta(p, X), E=500 MeV](β-); measured Eγ, Iγ, Iβ, βγ-, γγ-coin, β asymmetry at ISAC, TRIUMF facility, spin polarized 28Na. 28Mg; deduced levels, J, π, transition probabilities, β feedings, logft. Comparison with previous studies, and shell model predictions with USD, USDA, USDB Hamiltonian calculations. Discussed shell evolution in the region of the N=20 island of inversion.

doi: 10.1103/PhysRevC.85.034310
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Data from this article have been entered in the XUNDL database. For more information, click here.


2012SH29      Prog.Theor.Phys.(Kyoto), Suppl. 196, 310 (2012)

T.Shimoda, K.Tajiri, A.Odahara, M.Suga, N.Hamatani, H.Nishibata, J.Takatsu, R.Yokoyama, Y.Hirayama, N.Imai, H.Miyatake, M.Pearson, C.D.P.Levy, K.P.Jackson, R.Leguillon, C.Petrache

Structure of Mg Isotope Studied by β-Decay Spectroscopy of Spin-Polarized Na Isotopes - Shape Coexistence in 30Mg -

RADIOACTIVITY 30Na(β-); measured decay products, Eγ, Iγ; deduced level scheme, energies, J, π. Comparison with available data.

doi: 10.1143/PTPS.196.310
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2011NI01      Phys.Rev.Lett. 106, 052502 (2011)

S.Nishimura, Z.Li, H.Watanabe, K.Yoshinaga, T.Sumikama, T.Tachibana, K.Yamaguchi, M.Kurata-Nishimura, G.Lorusso, Y.Miyashita, A.Odahara, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, T.Nakano, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, K.Sugimoto, H.J.Ong, S.Ota, Zs.Podolyak, S.Takano, A.Takashima, K.Tajiri, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi

β-Decay Half-Lives of Very Neutron-Rich Kr to Tc Isotopes on the Boundary of the r-Process Path: An Indication of Fast r-Matter Flow

RADIOACTIVITY 97,98,99,100Kr(β-), 97,98,99,100,101,102Rb(β-), 101,102,103,104,105Sr, 103,104,105,106,107,108Y(β-), 108,109,110Zr(β-), 111,112Nb(β-), 112,113,114,115Mo(β-), 116,117Tc(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Ee, Ie; deduced T1/2. Comparison with FRDM+QRPA, KTUY+GT2 model calculations, astrophysical r-process path.

doi: 10.1103/PhysRevLett.106.052502
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011SU11      Phys.Rev.Lett. 106, 202501 (2011)

T.Sumikama, K.Yoshinaga, H.Watanabe, S.Nishimura, Y.Miyashita, K.Yamaguchi, K.Sugimoto, J.Chiba, Z.Li, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, M.Kurata-Nishimura, A.Odahara, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, S.Takano, A.Takashima, K.Tajiri, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi

Structural Evolution in the Neutron-Rich Nuclei 106Zr and 108Zr

RADIOACTIVITY 106,108Zr, 104,105,106Y(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured time correlations, Eγ, Iγ; deduced first 2+ and 4+ states energies, J, π, ground state deformation in 106,108Zr, T1/2 for a new isomer in 108Zr and 106Y. Comparison with 1/E(2+) systematics for Kr, Sr, Zr, Mo, Ru, Pd, Cd, Sn isotopes.

doi: 10.1103/PhysRevLett.106.202501
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2011WA03      Phys.Lett. B 696, 186 (2011)

H.Watanabe, T.Sumikama, S.Nishimura, K.Yoshinaga, Z.Li, Y.Miyashita, K.Yamaguchi, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, M.Kurata-Nishimura, A.Odahara, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, Y.Shi, K.Steiger, D.Steppenbeck, K.Sugimoto, K.Tajiri, S.Takano, A.Takashima, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, F.R.Xu, H.Yamaguchi

Low-lying level structure of the neutron-rich nucleus 109Nb: A possible oblate-shape isomer

NUCLEAR REACTIONS Be(238U, X)109Nb/109Zr, E=345 MeV/nucleon; measured fission fragments, Eγ, Iγ, β-γ-coin.; deduced level scheme, J, π, T1/2 for isomeric state in 109Nb, B(E1), B(M1), B(E2), B(M2), low-lying oblate-deformed states. Nilsson diagrams, calculation of potential energy surfaces.

doi: 10.1016/j.physletb.2010.12.028
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011WA26      Phys.Lett. B 704, 270 (2011)

H.Watanabe, K.Yamaguchi, A.Odahara, T.Sumikama, S.Nishimura, K.Yoshinaga, Z.Li, Y.Miyashita, K.Sato, L.Prochniak, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, N.Hinohara, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, T.Nakatsukasa, M.Kurata-Nishimura, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, K.Sugimoto, K.Tajiri, S.Takano, A.Takashima, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi

Development of axial asymmetry in the neutron-rich nucleus 110Mo

RADIOACTIVITY 110Nb(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, X-rays. 110Mo; deduced energy levels, J, π, quasi-γ-band state, B(e2) ratio. Comparison with general Bohr Hamiltonian method calculations, systematics of low-lying levels of even-even Mo nuclei.

NUCLEAR STRUCTURE 104,106,108,110Mo; calculated moments of inertia, potential energy surface, the nuclear landscape. General Bohr Hamiltonian method calculations.

doi: 10.1016/j.physletb.2011.09.050
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Data from this article have been entered in the XUNDL database. For more information, click here.


2009FU05      Eur.Phys.J. A 39, 49 (2009)

T.Fukuchi, T.Hori, T.Masue, K.Tajiri, A.Sato, T.Furukawa, A.Odahara, T.Shimoda, Y.Wakabayashi, Y.Gono, T.Suzuki, M.Ukai, T.Wakui, A.Yamazaki, Y.Miyashita, N.Sato, M.Tateoka, M.Ohguma, T.Shinozuka, T.Koike, K.Shirotori, Y.Miura, S.Kinoshita, Y.Ma, Y.Y.Fu, H.Tamura

Revised spin-parity assignment and a new interpretation of the high-spin isomer in 151Er

NUCLEAR REACTIONS 116Sn(40Ar, 5n), E=197 MeV; measured Eγ, Iγ, γγ-coin. 151Er deduced high-spin levels, J, π, multipolarities, configurations. Comparison with deformed independent particle model calculations.

doi: 10.1140/epja/i2008-10692-4
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2009HO07      Phys.Rev. C 80, 034306 (2009)

T.Hori, T.Masue, A.Odahara, K.Kura, K.Tajiri, T.Shimoda, T.Fukuchi, T.Suzuki, Y.Wakabayashi, Y.Gono, K.Ogawa

β decay of the 21/2+ isomer in 93Mo and level structure of 93Nb

RADIOACTIVITY 93mMo(β+), (IT)[from 13C(86Kr, X), E=7.4 MeV/nucleon]; measured Eγ, Iγ, γγ-coin. 93Nb, 93Mo; deduced levels, J, π, transition strengths. 92Y(β-), 89mY, 90mY, 90mZr, 91mZr, 92mMo, 93mMo, 94mMo(IT); measured Eγ. Comparison with jj-coupling shell model calculations.

doi: 10.1103/PhysRevC.80.034306
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Data from this article have been entered in the XUNDL database. For more information, click here.


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