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NSR database version of April 29, 2024.

Search: Author = M.Ohkubo

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2013OH01      Phys.Rev. C 87, 014608 (2013)

M.Ohkubo

Regular family structures observed in neutron resonance energies: Breathing model of the compound nucleus

NUCLEAR REACTIONS ⁴⁰Ca, ⁵⁴Cr, ⁶⁴Ni, ⁹⁰Zr, ²⁰⁸Pb(n, X), E<2.5 MeV; analyzed neutron resonances, resonance energies, time-period oscillations, evidence for regular systems or family structures, not chaotic. Breathing model of the compound nucleus.

doi: 10.1103/PhysRevC.87.014608
Citations: PlumX Metrics

2009OH03      Phys.Rev. C 80, 024607 (2009)

M.Ohkubo

Integer ratios of S_n/E_n in ⁴⁰Ca + n resonances suggesting two-oscillator excitations in the target nucleus

NUCLEAR REACTIONS ⁴⁰Ca(n, X), E<2.5 MeV; calculated levels, J, π, neutron widths, s-wave resonances, S_n/E_n ratios and level spacings using statistical model approach.

doi: 10.1103/PhysRevC.80.024607
Citations: PlumX Metrics

2006OH02      Phys.Rev. C 73, 054609 (2006)

M.Ohkubo

Integer ratios in E_x/S_n observed in the resonances of light nuclei

NUCLEAR STRUCTURE ⁴He, ^7,8Li, ^9,10Be, ^11,12B, ^13,14C, ^15,16N, ^17,19O; analyzed resonance excitation energies, neutron separation energies; deduced integer ratios.

doi: 10.1103/PhysRevC.73.054609
Citations: PlumX Metrics

1996OH01      Phys.Rev. C53, 1325 (1996)

M.Ohkubo

Recurrence of the Compound Nucleus in Neutron Resonance Reactions

NUCLEAR STRUCTURE A ≤ 250; calculated oscillator number, temperature, M/n(ex) vs target mass. Semi-classical model of neutron resonance reactions.

doi: 10.1103/PhysRevC.53.1325
Citations: PlumX Metrics

1990NA04      Ann.Nucl.Energy 17, 95 (1990)

Y.Nakajima, M.Ohkubo, Y.Furuta, M.Mizumoto, M.Sugimoto, Y.Kawarasaki

Measurements of ¹²²Sn Neutron Resonance Parameters

NUCLEAR REACTIONS ¹²²Sn(n, X), E=fast; measured transmission. ¹²³Sn deduced resonances, Γn, s-wave strength functions, level spacing parameters.

doi: 10.1016/0306-4549(90)90012-3
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23003.

1990NA25      Ann.Nucl.Energy 17, 569 (1990)

Y.Nakajima, M.Ohkubo, M.Sugimoto, M.Mizumoto, Y.Kawarasaki

Neutron Resonances in ¹³³Cs

NUCLEAR REACTIONS ¹³³Cs(n, γ), (n, X), E ≤ 4.6 keV; measured capture σ(E), transmission. ¹³⁴Cs deduced resonances, 2gΓn, Γγ parameters.

doi: 10.1016/0306-4549(90)90047-H
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22172.

1989NA21      Ann.Nucl.Energy 16, 589 (1989)

Y.Nakajima, I.Tsubone, M.Mizumoto, Y.Furuta, M.Ohkubo, M.Sugimoto, Y.Kawarasaki

Neutron Capture Cross Section Measurements of ¹⁵⁵Gd and ¹⁵⁷Gd from 1.1 to 235 keV

NUCLEAR REACTIONS ^155,157Gd(n, γ), E=1.1-235 keV; measured average capture σ(E). ^156,158Gd deduced average resonance parameters. Enriched target.

doi: 10.1016/0306-4549(89)90013-3
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21925.

1986MI13      Radiat.Eff. 93, 197 (1986)

M.Mizumoto, M.Sugimoto, M.Ohkubo, Y.Nakajima, Y.Furuta, Y.Kawarasaki

Neutron Radiative Capture and Transmission Measurements of ¹³⁵Ba and ¹³⁷Ba

NUCLEAR REACTIONS ^135,137Ba(n, γ), (n, X), E=0.4-9 keV; measured total, capture σ(E), transmission spectra. ^136,138Ba deduced resonances, Γn, level spacings, s-wave, d-wave strength functions.

doi: 10.1080/00337578608207451
Citations: PlumX Metrics

1986NA08      Radiat.Eff. 94, 273 (1986)

Y.Nakajima, M.Ohkubo, Y.Furuta, M.Sugimoto, Y.Kawarasaki

Neutron Resonance Parameters of ¹²²Sn

NUCLEAR REACTIONS ¹²²Sn(n, X), E=1.5-30 keV; measured transmission. ¹³³Sn deduced resonances, average resonance parameters, strength functions.

doi: 10.1080/00337578608208390
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21975.

1986OH07      Radiat.Eff. 96, 281 (1986)

M.Ohkubo, M.Mizumoto, Y.Nakajima, M.Sugimoto, Y.Furuta, Y.Kawarasaki

Neutron Resonances in ¹⁴²Ce

NUCLEAR REACTIONS ¹⁴²Ce, Ce(n, γ), E ≤ 30 keV; measured capture, total σ(E). ¹⁴³Ce deduced s-, d-wave strength functions, resonance parameters. Tof, ⁶Li glass.

doi: 10.1080/00337578608211753
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21926.

1984OH05      J.Nucl.Sci.Technol.(Tokyo) 21, 254 (1984)

M.Ohkubo, M.Mizumoto, Y.Kawarasaki

Neutron Resonance Parameters of Rubidium-85 and Rubidium-87

NUCLEAR REACTIONS ⁸⁵Rb(n, X), (n, γ), E < 18.5 keV; ⁸⁷Rb(n, X), (n, γ), E < 48.6 keV; measured transmission, σ(E). ^86,88Rb deduced resonances, J, Γγ, (gΓn), < Γγ >, < D >, s-wave strength function.

doi: 10.1080/18811248.1984.9731043
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22764.

1984OH08      J.Nucl.Sci.Technol.(Tokyo) 21, 805 (1984)

M.Ohkubo, Y.Kawarasaki

Neutron Resonance Parameters of Tungsten-183 up to 1.1 keV

NUCLEAR REACTIONS ¹⁸³W(n, n), (n, γ), (n, X), E ≤ 1.1 keV; measured transmission, σ(En). ¹⁸⁴W deduced resonances, 2gΓn, J, level spacing, strength functions.

doi: 10.1080/18811248.1984.9731119
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22065.

1983MI24      J.Nucl.Sci.Technol.(Tokyo) 20, 883 (1983)

M.Mizumoto, M.Sugimoto, Y.Nakajima, M.Ohkubo, Y.Furuta, Y.Kawarasaki

Neutron Resonance Parameters of Silver-107 and Silver-109

NUCLEAR REACTIONS ^107,109Ag(n, X), E=0.4-7 keV; measured transmission. ^108,110Ag deduced resonances, average level spacings, s-wave strength function, neutron widths.

doi: 10.1080/18811248.1983.9733486
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21814.

1982OH01      Prog.Theor.Phys.(Kyoto) 67, 207 (1982)

M.Ohkubo, K.Kato, H.Tanaka

¹²C + ¹²C Molecule-Like Structure in ²⁴Mg - A Study of the ¹²C + ¹²C System by the Coupled Channel Orthogonality Condition Model

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), (¹²C, ¹²C'), E not given; calculated resonance energies, reduced widths amplitudes. ²⁴Mg resonances deduced molecular character, S. Coupled-channel orthogonality condition model, single, mutual excitations.

doi: 10.1143/PTP.67.207
Citations: PlumX Metrics

1981OH09      J.Nucl.Sci.Technol.(Tokyo) 18, 745 (1981)

M.Ohkubo, Y.Kawarasaki, M.Mizumoto

Neutron Resonance Parameters of Bromine-79 and Bromine-81

NUCLEAR REACTIONS ^79,81Br(n, γ), (n, X), E=0.05-10 keV; measured transmission, Eγ, Iγ. ^80,82Br deduced < Γγ >, average level spacing, resonances, resonance parameters, s-wave strength functions. Area analysis, Monte Carlo calculation.

doi: 10.1080/18811248.1981.9733316
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21294.

1979OH04      J.Nucl.Sci.Technol.(Tokyo) 16, 701 (1979)

M.Ohkubo, Y.Kawarasaki

Slow Neutron Resonances in Terbium-159

NUCLEAR REACTIONS ¹⁵⁹Tb(n, X), (n, γ), E=0-1200 eV; measured transmission, σ(capture). ¹⁶⁰Tb deduced resonances, < Γγ >, level spacing, s-wave strength function. Area, Monte Carlo analyses. Moxon-Rae detectors.

doi: 10.1080/18811248.1979.9730969
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset20817.

1972ID01      J.Nucl.Sci.Technol. 9, 261 (1972)

K.Ideno, T.Asami, Y.Nakajima, M.Ohkubo, T.Fuketa

Slow Neutron Resonances of Rhenium

NUCLEAR REACTIONS ^185,187Re(n, X), E=3-300 eV; measured transmission. ^186,188Re deduced resonance parameters, level-width, strength functions.

doi: 10.1080/18811248.1972.9734841
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset20702.

1972OH11      J.Phys.Soc.Jap. 33, 1185 (1972)

M.Ohkubo, Y.Nakajima, A.Asami, T.Fuketa

Slow Neutron Resonances of Antimony

NUCLEAR REACTIONS Sb(n, X), E < 1.4 keV; measured σ(nT)(E). ^122,124Sb deduced resonance parameters, strength functions.

doi: 10.1143/JPSJ.33.1185
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23490.

1971ID01      J.Phys.Soc.Jap. 30, 620 (1971)

K.Ideno, M.Ohkubo

Nonrandom Distributions of Neutron Resonance Levels

NUCLEAR REACTIONS ⁷⁵As, ¹²¹Sb, ¹²³Sb, ¹⁴⁶Nd, ¹⁶⁶Er, ¹⁷⁴Yb, ¹⁷⁷Hf, ²³⁴U, ²⁴⁰Pu(n, X), E < 7 keV; analyzed resonance level spacing correlations.

doi: 10.1143/JPSJ.30.620
Citations: PlumX Metrics

1968OH03      Nucl.Instr.Methods 65, 113 (1968)

M.Ohkubo

An Effect of Scattered Neutrons from Photomultipliers on the Neutron Spectrum Measured by ⁶Li Glass Scintillators

NUCLEAR REACTIONS ²³Na(n, n), E=2.87 keV; measured σ(En). ²⁴Na deduced resonance.

doi: 10.1016/0029-554X(68)90016-5
Citations: PlumX Metrics