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NSR database version of April 11, 2024.

Search: Author = A.Taniguchi

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2023NI04      Phys.Rev.Lett. 130, 132502 (2023)

T.Niwase, Y.X.Watanabe, Y.Hirayama, M.Mukai, P.Schury, A.N.Andreyev, T.Hashimoto, S.Iimura, H.Ishiyama, Y.Ito, S.C.Jeong, D.Kaji, S.Kimura, H.Miyatake, K.Morimoto, J.-Y.Moon, M.Oyaizu, M.Rosenbusch, A.Taniguchi, M.Wada

Discovery of New Isotope ²⁴¹U and Systematic High-Precision Atomic Mass Measurements of Neutron-Rich Pa-Pu Nuclei Produced via Multinucleon Transfer Reactions

NUCLEAR REACTIONS ¹⁹⁸Pt(²³⁸U, X)²³⁵U/²³⁶U/²³⁷U/²³⁸U/²³⁹U/²⁴⁰U/²⁴¹U/²⁴²U/²³⁵Pa/²³⁶Pa/²³⁷Pa/²³⁹Np/²⁴⁰Np/²⁴¹Np/²³⁹Pu/²⁴⁰Pu/²⁴¹Pu/²⁴²Pu, E=10.75 MeV/nucleon; measured reaction products, TOF. ²⁴¹U; deduced new isotope production. The KEK Isotope Separation System (KISS) for the nuclear spectroscopy of nuclides produced via MNT reactions, installed at the RIKEN Nishina Center.

ATOMIC MASSES ^{235,236,237,238,239,240,241,242}U, ^235,236,237Pa, ^239,240,241Np, ^{239,240,241,242}Pu; measured frequencies (the first excitation step laser wavelength), TOF; deduced mass excesses. Comparison with AME2020 evaluation.

doi: 10.1103/PhysRevLett.130.132502
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2022HI07      Phys.Rev. C 106, 034326 (2022)

Y.Hirayama, M.Mukai, Y.X.Watanabe, P.Schury, H.Nakada, J.Y.Moon, T.Hashimoto, S.Iimura, S.C.Jeong, M.Rosenbusch, M.Oyaizu, T.Niwase, M.Tajima, A.Taniguchi, M.Wada, H.Miyatake

In-gas-cell laser resonance ionization spectroscopy of ^{200, 201}Pt

NUCLEAR MOMENTS ^198,200,201Pt; measured time-of-flight (TOF) spectra for ions with mass-to-charge-ratios, laser resonance ionization spectra using Multireflection time-of-flight mass spectrograph (MRTOF-MS) at KEK Isotope Separation System (KISS) of RIKEN facility. ^200,201Pt; deduced differential mean-square charge radii and isotope shifts relative to those of ¹⁹⁸Pt, magnetic dipole and electric quadrupole moments of ²⁰¹Pt, β₂ deformation parameters Comparison with theoretical calculations using symmetry-conserving configuration-mixing (SCCM) with Gogny D1S energy density functionals (SCCM+Gogny D1S), finite-range droplet model (FRDM), and constrained-Hartree-Fock-Bogoliubov (CHFB) theory with five-dimensional collective Hamiltonian (5DCH) based on the Gogny D1 interaction. ²⁰¹Pt; deduced most likely spin-parity of 5/2-. ^198,200,201Pt produced in ¹⁹⁸Pt(¹³⁶Xe, X), E=10.75 MeV/nucleon multi-nucleon transfer reactions.

doi: 10.1103/PhysRevC.106.034326
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2020CH33      Phys.Rev. C 102, 034309 (2020)

H.Choi, Y.Hirayama, S.Choi, T.Hashimoto, S.C.Jeong, H.Miyatake, J.Y.Moon, M.Mukai, T.Niwase, M.Oyaizu, M.Rosenbusch, P.Schury, A.Taniguchi, Y.X.Watanabe, M.Wada

In-gas-cell laser ionization spectroscopy of ^{194, 196}Os isotopes by using a multireflection time-of-flight mass spectrograph

NUCLEAR MOMENTS ^194,196Os; measured laser resonance spectra, time-of-flight spectra using the in-gas-cell laser ionization method and multireflection time-of-flight mass spectrograph (MRTOF-MS); deduced isotope shifts, change in mean-square charge radii and quadrupole deformation parameters. ^194,196Os produced in ¹⁹⁸Pt(¹³⁶Xe, X), E=10.75 MeV/nucleon reaction at the KEK Isotope Separation System (KISS). ^{188,189,190,192,194,196}Os; systematics of the change in mean-square charge radii and quadrupole deformation parameters, and their comparison with theoretical calculations.

doi: 10.1103/PhysRevC.102.034309
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2017HI05      Phys.Rev. C 96, 014307 (2017)

Y.Hirayama, M.Mukai, Y.X.Watanabe, M.Ahmed, S.C.Jeong, H.S.Jung, Y.Kakiguchi, S.Kanaya, S.Kimura, J.Y.Moon, T.Nakatsukasa, M.Oyaizu, J.H.Park, P.Schury, A.Taniguchi, M.Wada, K.Washiyama, H.Watanabe, H.Miyatake

In-gas-cell laser spectroscopy of the magnetic dipole moment of the N ≈ 126 isotope ¹⁹⁹Pt

NUCLEAR MOMENTS ¹⁹⁹Pt, ^199mPt; measured magnetic dipole and electric quadrupole moments, isotope shifts, mean-square charge radii by hyperfine splitting of the 48.792-nm transition using the in-gas-cell laser ionization spectroscopy (IGLIS), and the half-lives of the ground state and the isomer; discussed configurations. ^192,196,198Pt; measured mean-square charge radii relative to that of ¹⁹⁴Pt by hyperfine structure. Pt isotopes produced in ¹⁹⁸Pt(¹³⁶Xe, X), E=10.75 MeV/nucleon reaction using the on-line KEK Isotope Separation System (KISS) at RIKEN. Comparison with previous experimental results, and with self-consistent Bogoliubov (HFB) model calculations. Systematics of magnetic dipole moments of 5/2- and 13/2+ states in ^{193,195,197,199}Pt and ^197,199Hg. Systematics of mean square charge radius and quadrupole deformation in A=178-199 Pt isotopes.

doi: 10.1103/PhysRevC.96.014307
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2015KO23      J.Phys.Soc.Jpn. 84, 054201 (2015)

Y.Kojima, K.Kosuga, Y.Shima, A.Taniguchi, H.Hayashi, M.Shibata

β^- Decay of ¹⁵⁰Ce to Odd-Odd ¹⁵⁰Pr

RADIOACTIVITY ¹⁵⁰Ce(β^-) [from ²³⁵U(n, F), E thermal]; measured decay products, X-rays, Eγ, Iγ, γ-γ-coin.; deduced level energies and intensities, T_1/2, log ft, J, π. Comparison with available data.

doi: 10.7566/JPSJ.84.054201
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2014KO27      Nucl.Data Sheets 120, 52 (2014)

Y.Kojima, Y.Shima, H.Hayashi, A.Taniguchi, M.Shibata

Half-life Measurements of Excited Levels in Fission Products around Mass Number 150

RADIOACTIVITY ¹⁴⁹Pr, ¹⁴⁹Ce(β^-) [from ²³⁵U(n, F), E thermal]; measured decay products, Eγ, Iγ.; deduced level energies, T_1/2. Comparison with available data.

doi: 10.1016/j.nds.2014.07.004
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2014SH19      Nucl.Data Sheets 120, 30 (2014)

Y.Shima, Y.Kojima, H.Hayashi, A.Taniguchi, M.Shibata

Measurements of High-energy Excited States and γ-rays of Fission Products with a 4π Clover Detector

RADIOACTIVITY ¹⁴⁷La, ¹⁴⁵Ba(β^-) [from ²³⁵U(n, F), E thermal]; measured decay products, Eγ, Iγ; deduced level structure, γ-ray intensities.

doi: 10.1016/j.nds.2014.06.133
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2013OH03      Phys.Rev. C 87, 044324 (2013)

Y.Ohkubo, A.Taniguchi, Q.Xu, M.Tanigaki, N.Shimizu, T.Otsuka

Magnetic moment of the 2083 keV level of ¹⁴⁰Ce

RADIOACTIVITY ¹⁴⁰La(β^-)[from U(n, F)¹⁴⁰Cs, E=thermal, followed by ¹⁴⁰Cs --> ¹⁴⁰Ba --> ¹⁴⁰La β^- decay chain]; measured time-differential perturbed angular correlation (TDPAC), Larmor frequencies. ¹⁴⁰Ce; deduced magnetic moment of first 4+ level at 2083 keV.

NUCLEAR MOMENTS ¹⁴⁰Ce; measured magnetic dipole moment of first 4+ level at 2083 keV using the time-differential perturbed angular correlation (TDPAC) technique, using the known value of hyperfine field at ¹⁴¹Ce in Fe. Comparison with previous studies, and with shell-model calculations. Systematics of magnetic dipole moments of first 2+ and 4+ states in ¹³⁶Xe, ¹³⁸Ba, ¹⁴⁰Ce and ¹⁴²Nd.

doi: 10.1103/PhysRevC.87.044324
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2013SH04      Appl.Radiat.Isot. 73, 60 (2013)

M.Shibata, A.Tojo, I.Miyazaki, M.Furuta, H.Hayashi, Y.Kojima, Y.Shima, A.Taniguchi

Relative intensities of prompt γ-rays from the ³⁵Cl(n, γ)³⁶Cl reaction with thermal neutrons as secondary γ-ray intensity standards

NUCLEAR REACTIONS ¹⁴N, ³⁵Cl(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced prompt gamma ray intensities, relative intensities. Comparison with available data.

doi: 10.1016/j.apradiso.2012.11.008
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23207.

2012SH06      Ann.Nucl.Energy 43, 106 (2012)

M.Shibata, I.Miyazaki, H.Hayashi, A.Tojo, M.Furuta, Y.Kojima, A.Taniguchi, K.Kawade

Emission probabilities of some intense prompt γ rays of ²⁴Na, ²⁸Al, ⁵²V, ⁵⁶Mn, ⁶⁰Co, ¹⁴²Pr, ¹⁸⁷W and ¹⁹⁸Au with thermal neutron capture determined using γ rays following β decay

NUCLEAR REACTIONS ²³Na, ²⁷Al, ⁵¹V, ⁵⁵Mn, ⁵⁹Co, ¹⁴¹Pr, ¹⁸⁶W, ¹⁹⁷Au(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced σ, emission probabilities for prompt γ-rays. Comparison with previous data.

doi: 10.1016/j.anucene.2012.01.005
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22744.

2008MI11      J.Nucl.Sci.Technol.(Tokyo) 45, 481 (2008)

I.Miyazaki, H.Sakane, H.Takayama, M.Kasaishi, A.Tojo, M.Furuta, H.Hayashi, O.Suematsu, H.Narasaki, T.Shimizu, M.Shibata, K.Kawade, A.Taniguchi, H.Harada

Precise Intensity Measurements in the ¹⁴N(n, γ)¹⁵N Reaction as a γ-Ray Intensity Standard up to 11 MeV

NUCLEAR REACTIONS ¹⁴N(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin. ¹⁵N deduced absolute Iγ by intensity balance of each level.

doi: 10.3327/jnst.45.481
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23029.

2007HA57      Eur.Phys.J. A 34, 363 (2007)

H.Hayashi, Y.Akita, O.Suematsu, M.Shibata, M.Asai, T.K.Sato, S.Ichikawa, I.Nishinaka, Y.Nagame, A.Osa, K.Tsukada, T.Ishii, Y.Kojima, A.Taniguchi

Q_β measurements of ^{158, 159}Pm, ^{159, 161}Sm, ^160-165Eu, ¹⁶³Gd and ¹⁶⁶Tb using a total absorption BGO detector

RADIOACTIVITY ^158,159Pm, ^159,161Sm, ^{160,161,162,163,164,165}Eu, ¹⁶³Gd, ¹⁶⁶Tb(β^-) [from ²³⁸U(p, F), E=24 MeV and subsequent decay]; measured Eγ, Iγ, Eβ, Iβ; deduced Qβ, mass excess and two-neutron separation energies. Mass separator.

doi: 10.1140/epja/i2006-10522-9
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2007SA25      J.Radioanal.Nucl.Chem. 272, 665 (2007)

W.Sato, H.Ueno, A.Taniguchi, Y.Itsuki, Y.Kasamatsu, A.Shinohara, K.Asahi, Y.Ohkubo

Time-dependent quadrupole interactions for ¹⁴⁰Ce ions implanted in highly oriented pyrolytic graphite

RADIOACTIVITY ¹⁴⁰Ce(β^-); measured Eγ, Iγ, angular anisotropy for source implanted in highly oriented pyrolytic graphite. Time-differential perturbed angular correlation.

doi: 10.1007/s10967-007-0643-x
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2007SH05      Eur.Phys.J. A 31, 171 (2007)

M.Shibata, O.Suematsu, Y.Kojima, K.Kawade, A.Taniguchi, Y.Kawase

Observation of M3 isomeric transition from ^156mPm through the β^--decay of ¹⁵⁶Nd

RADIOACTIVITY ¹⁵⁶Nd, ¹⁵⁶Pm(β^-) [from ²³⁵U(n, F) and subsequent decay]; ^156mPm(β^-), (IT) [from ¹⁵⁶Nd decay]; measured Eγ, Iγ, E(ce), I(ce), T_1/2. ¹⁵⁶Pm, ¹⁵⁶Sm deduced levels, J, π, ICC, configurations. Mass separator.

doi: 10.1140/epja/i2006-10213-7
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2006KO25      Nucl.Instrum.Methods Phys.Res. A564, 275 (2006)

Y.Kojima, M.Shibata, A.Taniguchi, Y.Kawase, R.Doi, A.Nagao, K.Shizuma

Experimental apparatus at KUR-ISOL to identify isomeric transitions from fission products, and decay spectroscopy of ¹⁵¹Ce

RADIOACTIVITY ¹⁵¹Ce(β^-) [from ²³⁵U(n, F)]; measured Eγ, Iγ, Eβγ-coin. ¹⁵¹Pr deduced levels, J, π, isomeric state T_1/2. Mass separator.

doi: 10.1016/j.nima.2006.05.014
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2004KO05      Eur.Phys.J. A 19, 77 (2004)

Y.Kojima, A.Taniguchi, M.Shibata, E.Oyama, T.Nishimura, K.Shizuma, Y.Kawase

First observation of isomeric transition from ^148mPr and parity assignment for excited levels in ¹⁴⁸Pr

RADIOACTIVITY ¹⁴⁸Ce(β^-); ^148mPr(IT), (β^-) [from ²³⁵U(n, F) and subsequent decay]; measured Eγ, Iγ, E(ce), I(ce), (ce)γ-coin. ¹⁴⁸Pr deduced levels, J, π, ICC, configurations.

doi: 10.1140/epja/i2003-10114-3
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2004NI13      Phys.Rev. B 70, 132405 (2004)

K.Nishimura, S.Ohya, T.Ohtsubo, I.Sato, J.Goto, T.Izumikawa, M.Tanigaki, A.Taniguchi, Y.Ohkubo, Y.Kawase, S.Muto

Large hyperfine anomaly between ⁹¹Y and ^91mY in Fe

NUCLEAR MOMENTS ^91,91mY; measured NMR spectra; deduced hyperfine anomaly. Oriented nuclei in iron.

doi: 10.1103/PhysRevB.70.132405
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2004NI21      Hyperfine Interactions 159, 239 (2004)

K.Nishimura, S.Ohya, T.Ohtsubo, T.Izumikawa, M.Sasaki, I.Sato, M.Suzuki, J.Goto, M.Tanigaki, A.Taniguchi, Y.Ohkubo, Y.Kawase, S.Muto

Hyperfine Fields of Sr and Y in Ferromagnetic Hosts, and Magnetic Moment of ⁹³Y

NUCLEAR MOMENTS ⁹³Y; measured radio-frequency of oscillating field, Eγ, Iγ; deduced ground state nuclear magnetic moment. NMRON technique.

doi: 10.1007/s10751-005-9106-3
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2004SA69      Hyperfine Interactions 159, 251 (2004)

T.Sasanuma, A.Taniguchi, M.Tanigaki, Y.Ohkubo, Y.Kawase

Measurement of the Magnetic Moment of the First Excited State in ⁹³Sr Using on-line TDPAC technique

NUCLEAR MOMENTS ⁹³Sr; measured Eγ, Iγ, Larmor frequency; deduced T_1/2 of first excited state, g-factor, μ of 213 keV state in ⁹³Sr. TDPAC technique.

doi: 10.1007/s10751-005-9114-3
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2003KO13      Eur.Phys.J. A 16, 331 (2003)

Y.Kojima, M.Shibata, A.Taniguchi, T.Hanafusa, E.Yoshida, K.Shizuma, Y.Kawase, S.Yamada

Conversion electron measurement in the β^--decay of ¹⁵¹Pr

RADIOACTIVITY ¹⁵¹Pr(β^-) [from ²³⁵U(n, F)]; measured E(ce), I(ce). ¹⁵¹Nd deduced levels, J, π, ICC. Comparison with model predictions.

doi: 10.1140/epja/i2002-10107-8
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2003SA67      J.Nucl.Radiochem.Sci. 4, No 1, 15 (2003)

W.Sato, Y.Kasamatsu, Y.Ohkubo, A.Taniguchi, A.Shinohara

Time-Differential Perturbed Angular Correlation of ¹⁴⁰Ce Implanted in Highly Oriented Pyrolytic Graphite

2002KO02      Appl.Radiat.Isot. 56, 543 (2002)

Y.Kojima, M.Asai, M.Shibata, K.Kawade, A.Taniguchi, A.Osa, M.Koizumi, T.Sekine

Decay Scheme of ¹²⁶La Isomers

RADIOACTIVITY ¹²⁶La(EC), (β⁺) [from ⁹⁴Mo(³⁶Ar, 3pn)]; measured Eγ, Iγ, γγ-coin, E(ce), I(ce), T_1/2; deduced log ft. ¹²⁶La deduced isomers J, π. ¹²⁶Ba deduced levels, J, π, ICC, δ. Mass separator.

doi: 10.1016/S0969-8043(01)00248-2
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2002SH16      J.Phys.Soc.Jpn. 71, 1401 (2002)

M.Shibata, T.Shindou, A.Taniguchi, Y.Kojima, K.Kawade, S.-I.Ichikawa, Y.Kawase

Q_β Determination of Neutron-Rich Isotope ¹⁴⁴La with a Total Absorption Detector

RADIOACTIVITY ¹⁴⁴La(β^-) [from ²³⁵U(n, F)]; measured Qβ. Total absorption spectrometer, mass separation. Comparison with previous results.

doi: 10.1143/JPSJ.71.1401
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2002TA01      Phys.Rev. C65, 017301 (2002)

A.Taniguchi, Y.Kawase, Y.Ohkubo, J.Goto, T.Ohtsubo, S.Ohya

Nuclear Magnetic Moment of the ¹⁴³Ce Ground State

RADIOACTIVITY ¹⁴³Ce(β^-) [from ²³⁵U(n, F)]; measured Eγ, Iγ(θ, H, t), NMR on oriented nuclei. ¹⁴³Ce deduced ground-state μ. Isotope separator, systematics in neighboring isotones discussed.

doi: 10.1103/PhysRevC.65.017301
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2001KO07      Nucl.Instrum.Methods Phys.Res. A458, 656 (2001)

Y.Kojima, M.Shibata, H.Uno, K.Kawade, A.Taniguchi, Y.Kawase, K.Shizuma

A Precise Method of Q_β Determination with Small HPGe Detector in an Energy Range of 1-9 MeV

RADIOACTIVITY ³²P, ³⁸Cl, ⁴²K, ⁵⁶Mn, ^91,92,93Rb, ⁹⁵Sr, ^90,94Y, ^139,140,141Cs, ¹⁴²La, ¹⁴²Pr(β^-); ⁶²Cu, ⁶⁸Ga, ⁹¹Mo, ¹²⁴Cs(β⁺); measured β-spectra, Qβ. HPGe detector, comparison with previous results.

doi: 10.1016/S0168-9002(00)00899-8
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2000YA08      Eur.Phys.J. A 7, 327 (2000)

S.Yamada, A.Taniguchi, K.Okano, K.Aoki

Band Structure of ¹⁴⁶Ce Studied Through γ-γ Angular Correlation Measurements

RADIOACTIVITY ¹⁴⁶La(β^-)[from ²³⁵U(n, F)]; measured Eγ, Iγ(θ), γγ-coin. ¹⁴⁶Ce deduced levels J, π, mixing ratios. Mass-separated source. Comparison with other Ce isotopes and IBM calculations.

doi: 10.1007/s100500050399
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1999TO04      Eur.Phys.J. A 4, 233 (1999)

Y.Toh, S.Yamada, A.Taniguchi, Y.Kawase

Studies on the Level Structure of ¹⁵²Nd

RADIOACTIVITY ¹⁵²Pr(β^-) [from ²³⁵U(n, F), E=thermal]; measured Eγ, Iγ, γγ-, βγ-coin. ¹⁵²Nd deduced levels, J, π, δ, T_1/2. On-line isotope separator.

doi: 10.1007/s100500050225
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1998TO23      Eur.Phys.J. A 2, 331 (1998)

Y.Toh, S.Yamada, A.Taniguchi, Y.Kawase

Conversion Electron Measurements of ¹⁵²Nd

RADIOACTIVITY ¹⁵²Pr(β^-) [from ²³⁵U(n, F), E=thermal]; measured Eγ, Iγ, E(ce), I(ce) following β-decay. ¹⁵²Nd deduced levels J, π, ICC. Mass-separated source.

doi: 10.1007/s100500050128
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1996TA26      J.Phys.Soc.Jpn. 65, 3824 (1996)

A.Taniguchi, T.Ikuta, A.Osa, H.Yamamoto, K.Kawade, J.-Z.Ruan, S.Yamada, Y.Kawase, K.Okano

Beta Decay of ¹⁵³Nd and Reflection Asymmetric Deformation in ¹⁵³Pm

RADIOACTIVITY ¹⁵³Nd(β^-) [from ²³⁵U(n, F), E=thermal]; measured Eγ, Iγ, γγ-, βγ-coin, γγ(θ), E(ce), I(ce), T_1/2. ¹⁵³Pm deduced levels, J, π, ICC, log ft, B(λ), δ. Mass-separated beam. Rotation-vibration coupling model.

doi: 10.1143/JPSJ.65.3824
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1996TO05      Z.Phys. A355, 345 (1996)

Y.Toh, K.Okano, A.Taniguchi, S.Yamada, Y.Kawase

Excited States of ¹⁵⁴Nd Studied Through the Decay of ¹⁵⁴Pr

RADIOACTIVITY ¹⁵⁴Pr(β^-) [from ²³⁵U(n, F), E=thermal]; measured γγ(t), (X-ray)γ(t); deduced log ft. ¹⁵⁴Pr level deduced possible J, π. ¹⁵⁴Nd deduced transitions, levels.

doi: 10.1007/s002180050121
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1996YA12      J.Phys.Soc.Jpn. 65, 3390 (1996)

S.Yamada, A.Taniguchi, Y.Toh, K.Okano

A New Isomeric State in ¹⁵³Nd

RADIOACTIVITY ¹⁵³Pr(β^-); measured βγ-coin. ¹⁵³Nd deduced isomer, T_1/2.

doi: 10.1143/JPSJ.65.3390
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1995IK03      J.Phys.Soc.Jpn. 64, 3244 (1995)

T.Ikuta, A.Taniguchi, H.Yamamoto, K.Kawade, Y.Kawase

Q(β) Measurements of Neutron-Rich Isotopes in the Mass Region 147 ≤ A ≤ 152

RADIOACTIVITY ¹⁴⁷La, ^{147,148,149,150}Ce, ^{147,148,149,150,151,152}Pr, ^151,152Nd, ¹⁵²Pm(β^-) [from ²³⁵U(n, F), E=thermal]; measured βγ-coin; deduced Qβ, masses.

doi: 10.1143/JPSJ.64.3244
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1995OK02      Z.Phys. A351, 243 (1995)

K.Okano, A.Taniguchi, S.Yamada, T.Sharshar, M.Shibata, K.Yamauchi

Identification of Beta-Decay of ¹⁵⁰La

RADIOACTIVITY ¹⁵⁰La(β^-) [from ²³⁵U(n, F), E=thermal]; measured Eγ, Iγ, E X-ray, I X-ray, γγ-coin, β-spectra; deduced T_1/2, log ft. ¹⁵⁰Ce deduced levels, β-branching ratios.

NUCLEAR REACTIONS ²³⁵U(n, F), E=thermal; measured Eγ, Iγ, E X-ray, I X-ray, γγ-coin, β-spectra; deduced evidence for ¹⁵⁰La.

doi: 10.1007/BF01290903
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1995YA24      J.Phys.Soc.Jpn. 64, 4047 (1995)

S.Yamada, A.Taniguchi, K.Okano

Excited levels in ¹⁵²Pr studied through the β-decay of ¹⁵²Ce

RADIOACTIVITY ¹⁵²Ce(β^-); measured decay products, Eγ, Iγ, Eβ, Iβ, γ-γ-coin., β-γ-coin.; deduced energy levels, T_1/2, J, π. Comparison with Nilsson model, experimental data.

doi: 10.1143/JPSJ.64.4047
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1994SH37      J.Phys.Soc.Jpn. 63, 3263 (1994)

M.Shibata, T.Ikuta, A.Taniguchi, A.Osa, A.Tanaka, H.Yamamoto, K.Kawade, J.-Z.Ruan, Y.Kawase, K.Okano

Beta Decay of ¹⁵¹Pr into Levels in ¹⁵¹Nd

RADIOACTIVITY ¹⁵¹Pr(β^-) [from ²³⁵U(n, F), E=thermal]; measured Eγ, Iγ, I(ce), γγ-coin; deduced log ft. ¹⁵¹Nd deduced levels, J, π, ICC, γ multipolarity. Hyperpure Ge, LEPS, Si(Li) detectors, mass separated beam of A=151+16(¹⁶O).

doi: 10.1143/JPSJ.63.3263
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1994TA32      Nucl.Instrum.Methods Phys.Res. A351, 378 (1994)

A.Taniguchi, K.Okano, T.Sharshar, Y.Kawase

Characteristics of a Mixed-Gas Jet System in KUR-ISOL

RADIOACTIVITY ⁹⁴Rb(β^-); measured activity vs aerosol furnace temperature; deduced relative ion yields dependence on carrier gases, aerosol materials, N₂-, He-N₂ mixed-gas jet systems characteristics. Studies at KUR-ISOL facility, ¹⁴⁰Cs, ^146m,146gLa also studied.

doi: 10.1016/0168-9002(94)91366-8
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1993SH33      J.Phys.Soc.Jpn. 62, 87 (1993)

M.Shibata, A.Taniguchi, H.Yamamoto, K.Kawade, J-Z.Ruan, T.Tamai, Y.Kawase, K.Okano

Low-Lying Levels in ¹⁴⁷Nd in the Decay of ¹⁴⁷Pr

RADIOACTIVITY ¹⁴⁷Pr(β^-) [from ²³⁵U(n, F), E=thermal]; measured Eγ, Iγ, I(ce), βγ(t), γγ-coin. ¹⁴⁷Nd deduced levels, T_1/2, ICC, B(E2), B(M1), J, π, γ multipolarity. Hyperpure Ge, Ge(Li), and LEPS, Si(Li), plastic scintillation detectors. Mass separated beam of A=147 and chemically separated ¹⁴⁷Pr activity.

doi: 10.1143/JPSJ.62.87
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1992IK02      Nucl.Instrum.Methods Phys.Res. A323, 697 (1992)

T.Ikuta, A.Osa, A.Taniguchi, H.Yamamoto, K.Kawade

Portable Neutron-Capture γ-Ray Source above 3.5 MeV with ²⁵²Cf

NUCLEAR REACTIONS ³⁵Cl(n, γ), E=thermal; measured capture Eγ, Iγ; deduced portable ²⁵²Cf neutron source characteristics.

doi: 10.1016/0168-9002(92)90017-X
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1992MO13      Phys.Rev. C46, R6 (1992)

T.Morikawa, M.Oshima, T.Sekine, Y.Hatsukawa, S.Ichikawa, H.Iimura, A.Osa, M.Shibata, A.Taniguchi

Lifetime Measurement of the First 2⁺ State in ^122,124,126Ba

RADIOACTIVITY ^122,124,126La(β⁺) [from ⁹²Mo(³⁵Cl, xnyp)]; measured βγ(t). ^122,124,126Ba level deduced T_1/2, B(E2). BaF₂, plastic scintillators. Neutron-proton interacting boson model.

doi: 10.1103/PhysRevC.46.R6
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1992OS07      Nucl.Instrum.Methods Phys.Res. B70, 551 (1992)

A.Osa, T.Ikuta, A.Taniguchi, H.Yamamoto, K.Kawade, S.Ichikawa, Y.Kawase

Measurement of β-Ray Maximum Energy with an HPGe Detector by Means of β⁺-Annihilation Photons Coincidence

RADIOACTIVITY ⁶⁸Ga(β⁺), (EC) [from ⁶⁸Ge(EC-decay)]; ¹²⁶Cs(β⁺)(EC) [from Mo(³²S, X), E=5.1 MeV/nucleon]; measured β⁺-spectra, endpoint energy, βγ-coin; deduced Q(EC). Hyperpure Ge β-ray detector, two pairs of BaF₂ scintillation detectors for annihilation photons.

doi: 10.1016/0168-583X(92)95981-V
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