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NSR database version of April 11, 2024.

Search: Author = J.H.Park

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2021AH02      Phys.Rev. C 103, 054312 (2021)

M.Ahmed, Y.X.Watanabe, Y.Hirayama, M.Mukai, J.H.Park, P.Schury, Y.Kakiguchi, A.Ozawa, M.Oyaizu, M.Wada, H.Miyatake

β-γ spectroscopy of the 195Os nucleus

RADIOACTIVITY 195Os(β-)[ionized 195Os using laser system from 198Pt(136Xe, X), E=9.4 MeV/nucleon at the KEK isotope separation system (KISS) at RIKEN RIBF facility]; measured Eβ, Iβ, Eγ, Iγ, x rays, βγ- and γγ-coin, half-life of 195Os decay using a multisegmented proportional gas counter (MSPGC) for β radiation, and four clover HPGe detectors for γ rays. 195Ir; deduced levels, J, π, Iβ feedings, logft. 195Os; deduced spin and parity of the ground state. Systematics of half-lives of 195,196,197,198,199,200,201,202,203,204,205,206Os, and comparison with theoretical predictions.

doi: 10.1103/PhysRevC.103.054312
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021LE21      J.Radioanal.Nucl.Chem. 330, 455 (2021)

J.Y.Lee, M.G.Hur, Y.B.Kong, E.J.Lee, S.D.Yang, P.S.Choi, J.H.Park

Medical radioisotope 89Zr production with RFT-30 cyclotron

NUCLEAR REACTIONS 89Y(p, n), E=12.7 MeV; measured reaction products, Eγ, Iγ; deduced yields.

doi: 10.1007/s10967-021-07884-9
Citations: PlumX Metrics


2021WA39      Phys.Rev. C 104, 024330 (2021)

Y.X.Watanabe, P.M.Walker, Y.Hirayama, M.Mukai, H.Watanabe, G.J.Lane, M.Ahmed, M.Brunet, T.Hashimoto, S.Ishizawa, S.Kimura, F.G.Kondev, Yu.A.Litvinov, H.Miyatake, J.Y.Moon, T.Niwase, M.Oyaizu, J.H.Park, Zs.Podolyak, M.Rosenbusch, P.Schury, M.Wada

First direct observation of isomeric decay in neutron-rich odd-odd 186Ta

RADIOACTIVITY 186Ta(β-), 186mTa(IT)[from W(136Xe, X), E=7.2 MeV/nucleon, followed by laser ionization and mass separation at the KEK Isotope Separation System (KISS) of RIBF-RIKEN facility]; measured Eγ, Iγ, (particle)γ-coin, half-lives of decays of 186Ta and neutral 186mTa from γ-decay curves. 186Ta; deduced levels, J, π, E3 multipolarity of the 161-keV isomeric transition from a comparison of measured half-life of the neutral isomer with previous measurements of the ionized isomeric state of 186Ta using the Experimental Storage Ring at GSI Darmstadt, no evidence found for the β decay mode of the 186Ta isomer.

doi: 10.1103/PhysRevC.104.024330
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020HI01      Nucl.Instrum.Methods Phys.Res. B463, 425 (2020)

Y.Hirayama, Y.X.Watanabe, M.Mukai, P.Schury, M.Ahmed, H.Ishiyama, S.C.Jeong, Y.Kakiguchi, S.Kimura, J.Y.Moon, M.Oyaizu, J.H.Park, M.Wada, H.Miyatake

Nuclear spectroscopy of r-process nuclei using KEK Isotope Separation System

NUCLEAR REACTIONS 198Pt(136Xe, X)196Os/197Os/198Os/198Pt/199Pt, E=10.75 MeV/nucleon; measured reaction products, Eβ, Iβ, Eγ, Iγ; deduced T1/2 for osmium, HFS spectra for platinum.

doi: 10.1016/j.nimb.2019.04.035
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020MU16      Phys.Rev. C 102, 054307 (2020)

M.Mukai, Y.Hirayama, Y.X.Watanabe, S.Schiffmann, J.Ekman, M.Godefroid, P.Schury, Y.Kakiguchi, M.Oyaizu, M.Wada, S.C.Jeong, J.Y.Moon, J.H.Park, H.Ishiyama, S.Kimura, H.Ueno, M.Ahmed, A.Ozawa, H.Watanabe, S.Kanaya, H.Miyatake

In-gas-cell laser resonance ionization spectroscopy of 196, 197, 198Ir

NUCLEAR MOMENTS 196,197,198Ir; measured hyperfine structure (HFS) spectra using in-gas-cell laser resonance ionization spectroscopy at the KEK Isotope Separation System at RIBF-RIKEN facility; deduced spins for the ground states, magnetic dipole moments, mean-square charge radii, isotope shifts, β2 deformation parameters. Comparison with theoretical calculations based on the strong coupling model. Comparison with previous experimental results. Systematics of quadrupole moments, magnetic dipole moments, mean-square charge radii and β2 deformation parameters for 189,191,193,196,197,198Ir.

NUCLEAR REACTIONS 198Pt(136Xe, X)196Ir/197Ir/198Ir, E=10.75 MeV/nucleon; measured extraction yields, Eβ, half-lives of the decays of 196Ir, 197Ir and 198Ir. The Ir isotopes produced in multi-nucleon transfer reaction. Comparison with previous experimental half-lives.

doi: 10.1103/PhysRevC.102.054307
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020WA12      Phys.Rev. C 101, 041305 (2020), Erratum Phys.Rev. C 103, 019902 (2021)

Y.X.Watanabe, M.Ahmed, Y.Hirayama, M.Mukai, J.H.Park, P.Schury, Y.Kakiguchi, S.Kimura, A.Ozawa, M.Oyaizu, M.Wada, H.Miyatake

Deexcitation γ-ray transitions from the long-lived Iπ = 13/2+ metastable state in 195Os

RADIOACTIVITY 195mOs(IT)[from 198Pt(136Xe, X), E=9.4 MeV/nucleon, followed by separation of fragments using KEK Isotope Separation System (KISS) at RIBF-RIKEN facility, and laser excitation of 195Os isomer]; measured Eγ, Iγ, ce, γγ- and (ce)γ-coin, neutral atom T1/2 of the 47-s, (13/2+) isomer from x-ray and γ-ray decay curves using multi-segmented proportional gas counter (MSPGC) for β, x-rays and conversion electrons, and four HPGe clover detectors for γ radiation. 195Os; deduced levels, J, π; discussed multipolarity of the low-energy γ transition from the isomer. Comparison with previous measurement of the 195mOs isomer and half-life of the fully-stripped isomer using the ESR at GSI. Comparison with experimental results for level schemes from the decays of the 13/2+ isomers in 197Pt and 199Hg.

doi: 10.1103/PhysRevC.101.041305
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020WA29      Phys.Rev.Lett. 125, 192505 (2020)

P.M.Walker, Y.Hirayama, G.J.Lane, H.Watanabe, G.D.Dracoulis, M.Ahmed, M.Brunet, T.Hashimoto, S.Ishizawa, F.G.Kondev, Y.A.Litvinov, H.Miyatake, J.Y.Moon, M.Mukai, T.Niwase, J.H.Park, Z.Podolyak, M.Rosenbusch, P.Schury, M.Wada, X.Y.Watanabe, W.Y.Liang, F.R.Xu

Properties of 187Ta Revealed through Isomeric Decay

RADIOACTIVITY 187Ta(IT) [from W(136Xe, X), E=7.2 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, γ-γ-, β-γ-coin.; deduced level energies, J, π, T1/2. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.125.192505
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018HI07      Phys.Rev. C 98, 014321 (2018), Erratum Phys.Rev. C 106, 069902 (2022)

Y.Hirayama, Y.X.Watanabe, M.Mukai, M.Ahmed, S.C.Jeong, Y.Kakiguchi, S.Kimura, M.Oyaizu, J.H.Park, P.Schury, M.Wada, H.Watanabe, H.Miyatake

β- and γ-decay spectroscopy of 197, 198Os

RADIOACTIVITY 196,197,198Os, 198Ir(β-)[from 198Pt(136Xe, X), E=10.75 MeV/nucleon using KEK Isotope Separation System (KISS) at RIKEN, an argon-gas-cell-based laser ion source combined with an on-line isotope separator]; measured β- radiation using multisegmented proportional gas counter (MSPGC), Eγ, Iγ, γγ- and βγ-coin with particle selection condition of Os and Ir, half-lives of decays of 196,197,198Os and 198Ir. 197,198Ir, 198Pt; deduced levels, Iβ feedings, logft, configurations of parent and daughter states. 197mTl(IT); measured Eγ, Iγ, T1/2; deduced conversion coefficients and compared with previous results. Comparison with previous experimental data. A=195-206, Z=76; comparison of measured β-decay half-lives with theoretical results from DF3, FRDM, and KUTY models.

doi: 10.1103/PhysRevC.98.014321
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018MU19      Nucl.Instrum.Methods Phys.Res. A884, 1 (2018)

M.Mukai, Y.Hirayama, Y.X.Watanabe, P.Schury, H.S.Jung, M.Ahmed, H.Haba, H.Ishiyama, S.C.Jeong, Y.Kakiguchi, S.Kimura, J.Y.Moon, M.Oyaizu, A.Ozawa, J.H.Park, H.Ueno, M.Wada, H.Miyatake

High-efficiency and low-background multi-segmented proportional gas counter for β-decay spectroscopy

RADIOACTIVITY 198Ir(β-), 199Pt(IT), (β-) [from 198Pt(136Xe, X), E=9.6 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced T1/2 and uncertainties. Comparison with available data.

doi: 10.1016/j.nima.2017.12.013
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Data from this article have been entered in the XUNDL database. For more information, click here.


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 193,195,197,199Pt 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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Data from this article have been entered in the XUNDL database. For more information, click here.


2016HI09      Nuovo Cim. C 39, 359 (2016)

Y.Hirayama, Y.X.Watanabe, H.Miyatake, P.Schury, M.Wada, M.Oyaizu, Y.Kakiguchi, M.Mukai, S.Kimura, M.Ahmed, S.C.Jeong, J.Y.Moon, J.H.Park

Nuclear spectroscopy of r-process nuclei around N=126 using KISS

RADIOACTIVITY 199Pt, 196Ir(β-); measured decay products; deduced T1/2 and their uncertainties. Laser resonance ionization technique in the gas cell.

doi: 10.1393/ncc/i2016-16359-9
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2010PA17      J.Radioanal.Nucl.Chem. 285, 399 (2010)

J.H.Park, G.D.Kim, W.Hong, C.S.Lee, Y.K.Kwon, K.B.Lee, J.H.Kim

Activation cross section measurements of 16O(n, t) above 18.1 MeV up to 33.1 MeV

NUCLEAR REACTIONS 16O(n, t) E=81.8-33.1 MeV; measured Ee, Ie; deduced yields, σ. Comparison with other measurements.

doi: 10.1007/s10967-010-0544-2
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset30826.


2008LE09      J.Nucl.Sci.Technol.(Tokyo) 45, 473 (2008)

Y.D.Lee, J.-H.Park, J.W.Lee

Neutron-Induced Data Evaluation for Selected Fission Products

NUCLEAR REACTIONS 95Mo, 99Tc, 101Ru, 103Rh, 105Pd, 109Ag, 131Xe, 133Cs, 141Pr, 143,145Nd, 147,149,150,151Sm, 152Sm, 153Eu, 155,157Gd(n, X), (n, γ), E<20 MeV; calculated, evaluated total, capture, elastic, inelastic and charged-particle production σ in ENDF-6 format using EMPIRE code. Comparison with other data.

doi: 10.3327/jnst.45.473
Citations: PlumX Metrics


2005PA41      J.Korean Phys.Soc. 47, 23 (2005)

J.H.Park, C.S.Lee, Y.K.Kwon, J.H.Lee, J.Y.Kim, K.B.Lee, H.Park

Activation Cross Section Measurements of 16O(n, 3He)14C and 16O(n, t)14N above Neutron Thresholds up to 18.1 MeV

NUCLEAR REACTIONS 16O(n, 3He), (n, t), E=15.4-18.1 MeV; measured activation σ. Accelerator mass spectrometry.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31576.


2002KI10      J.Korean Phys.Soc. 40, 802 (2002)

J.H.Kim, C.S.Lee, Y.K.Kwon, J.Y.Kim, J.Y.Huh, J.Y.Moon, J.H.Lee, J.C.Kim, M.Youn, I.C.Kim, J.H.Park, J.S.Kim, D.K.Kim, K.I.Hahn

Lifetime Measurement of the First Excited State of 7Be using the Doppler Shift Attenuation Method Applied to an Exothermic Nuclear Reaction

NUCLEAR REACTIONS 10B(p, α), E=2 MeV; measured Eγ, Iγ, DSA. 7Be deduced excited state T1/2.


2002KO35      J.Korean Phys.Soc. 41, 27 (2002)

P.Ko, J.-H.Park

Is Large SUSY CP Violation Compatible with the Current Data ?


1999BE73      Nucl.Phys. A661, 661c (1999)

M.J.Bennett, M.Bobrek, J.G.Boissevain, C.L.Britton, J.Chang, R.Conway, R.Cunningham, M.S.Emery, M.N.Ericson, S.-Y.Fung, S.Hahn, H.W.van Hecke, D.Jaffe, J.H.Kang, S.Y.Kim, Y.G.Kim, L.J.Marek, J.A.Moore, J.H.Park, G.Richardson, S.S.Ryu, B.R.Schlei, T.Shiina, J.Simon-Gillo, G.Smith, C.Y.Soon, J.P.Sullivan, Y.Takahashi, G.Xu

The PHENIX Multiplicity and Vertex Detector

doi: 10.1016/S0375-9474(99)85112-4
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1996CH51      Nucl.Instrum.Methods Phys.Res. A376, 208 (1996)

J.S.Chai, J.H.Ha, C.S.Lee, J.C.Kim, H.T.Chung, S.J.Chae, J.Y.Moon, J.Y.Huh, Y.S.Kim, J.K.Yu, G.W.Song, S.H.Bhatti, J.H.Park, S.H.Park, I.C.Kim, Y.S.Kim, Y.K.Kim, J.S.Hwang, H.Y.Nam, M.Cho

Light Output Response of BaF2 Scintillator to Light Charged Particles of Medium Energy

doi: 10.1016/0168-9002(96)00248-3
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