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NSR database version of April 11, 2024.

Search: Author = A.Takashima

Found 7 matches.

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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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2013VA10      Phys.Rev. C 87, 064303 (2013)

A.Vancraeyenest, C.M.Petrache, D.Guinet, P.T.Greenlees, U.Jakobsson, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, P.Jones, C.Ducoin, P.Lautesse, C.Mancuso, N.Redon, O.Stezowski, P.Desesquelles, R.Leguillon, A.Korichi, T.Zerrouki, D.Curien, A.Takashima

Identification of new transitions feeding the high-spin isomers in 139Nd and 140Nd nuclei

NUCLEAR REACTIONS 96Zr(48Ca, 4n), (48Ca, 5n), E=180 MeV; measured Eγ, Iγ, particle spectra, γγ-, (recoil)γ-coin, γγ(t), isomer half-lives using RITU separator, JUROGAM array, and GREAT spectrometer at JYFL facility. Recoil decay tagging technique. 139,140Nd; deduced high-spin levels, isomers, J, π, bands, multi-quasiparticle configurations. 136Ce, 138Nd; measured γ(t), half-lives of 10+ isomers.

doi: 10.1103/PhysRevC.87.064303
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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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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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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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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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