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Search: Author = N.Ohtsuka

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1998OH04      Prog.Theor.Phys.(Kyoto) 99, 993 (1998)

N.Ohtsuka, A.Faessler

Mean Field Potential for Non-Equilibrium Phase Space and Its Effect on Heavy-Ion Reaction

NUCLEAR REACTIONS 40Ca(40Ca, X), E=200, 400 MeV/nucleon; calculated density, directed momentum vs time; deduced role of non-equilibrium effects. Quantum molecular dynamics approach, mean field potentials for non-equilibrium phase space.

doi: 10.1143/PTP.99.993
Citations: PlumX Metrics

1995KH04      Nucl.Phys. A583, 353c (1995)

D.T.Khoa, A.Faessler, N.Ohtsuka, D.H.E.Gross

Thermalization Effects in Heavy-Ion Collisions

NUCLEAR REACTIONS 40Ca(40Ca, X), E=100, 400 MeV/nucleon; calculated average matter density, temperature, one-body entropy time evolution; deduced thermalization process related features. Quantum molecular dynamics approach.

doi: 10.1016/0375-9474(94)00686-H
Citations: PlumX Metrics

1994PU03      Nucl.Phys. A575, 733 (1994)

R.K.Puri, N.Ohtsuka, E.Lehmann, A.Faessler, M.A.Matin, D.T.Khoa, G.Batko, S.W.Huang

Temperature-Dependent Mean Field and Its Effect on Heavy-Ion Reactions

NUCLEAR REACTIONS 40Ca(40Ca, X), 93Nb(93Nb, X), E=400 MeV/nucleon; calculated maximum, average densities, transverse flow time evolution. Temperature dependent mean field nucleon potentials.

doi: 10.1016/0375-9474(94)90164-3
Citations: PlumX Metrics

1993CE01      Phys.Rev. C47, 1091 (1993)

M.Centelles, X.Vinas, M.Barranco, N.Ohtsuka, A.Faessler, D.T.Khoa, H.Muther

Relativistic Extended Thomas-Fermi Calculations of Finite Nuclei with Realistic Nucleon-Nucleon Interactions

NUCLEAR STRUCTURE 12C, 16O, 40,48Ca, 56Ni, 90Zr, 114,118Sn, 140Ce, 208Pb; calculated binding energy, charge radius. 52Fe, 118Sn, 152Dy, 186Os, 207Bi, 240Pu; calculated fission barrier, saddle point quadrupole moment, critical angular momentum, equidensity lines. Relativistic extended Thomas-Fermi calculations, realistic interactions.

NUCLEAR REACTIONS 12C(12C, 12C), E=2.4 GeV; 28Si, 12C(16O, 16O), E=1.503 GeV; calculated σ(θ). Relativistic extended Thomas-Fermi calculations, realistic interactions.

doi: 10.1103/PhysRevC.47.1091
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1992KH02      Nucl.Phys. A542, 671 (1992)

D.T.Khoa, N.Ohtsuka, A.Faessler, M.A.Matin, S.W.Huang, E.Lehmann, Y.Lofty

Microscopic Study of Thermal Properties of the Nuclear Matter Formed in Heavy-Ion Collisions

NUCLEAR REACTIONS 20Ne(20Ne, X), 40Ca(40Ca, X), 93Nb(93Nb, X), E=100-400 MeV/nucleon; calculated central region nucleon density, temperature, local entropy per nucleon vs evolution time. Generalized hot Thomas-Fermi formalism.

doi: 10.1016/0375-9474(92)90263-J
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1992KH03      Nucl.Phys. A548, 102 (1992)

D.T.Khoa, N.Ohtsuka, M.A.Matin, A.Faessler, S.W.Huang, E.Lehmann, R.K.Puri

In-Medium Effects in the Description of Heavy-Ion Collisions with Realistic NN Interactions

NUCLEAR REACTIONS 40Ca(40Ca, X), 93Nb(93Nb, X), E=400 MeV/nucleon; calculated temperature, nuclear matter density time evolution. Quantum molecular dynamical approach, phenomenological Skyrme forces, Brueckner G-matrix potential.

doi: 10.1016/0375-9474(92)90079-Y
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1991CE09      J.Phys.(London) G17, L193 (1991)

M.Centelles, X.Vinas, M.Barranco, N.Ohtsuka, A.Faessler, D.T.Khoa, H.Muther

Relativistic Extended Thomas-Fermi Calculations of Finite Nuclei

NUCLEAR STRUCTURE 12C, 16O, 40,48Ca, 56Ni, 90Zr, 114,118Sn, 140Ce, 208Pb; calculated binding energy, charge radii. 240Pu; calculated fission barrier angular momentum dependence vs quadrupole moment. Relativistic extended Thomas-Fermi model.

NUCLEAR REACTIONS 12C(12C, 12C), E=1.016 GeV; calculated σ(θ). Microscopic optical potential. Relativistic extended Thomas-Fermi model.

doi: 10.1088/0954-3899/17/11/005
Citations: PlumX Metrics

1991KH05      Nucl.Phys. A529, 363 (1991)

D.T.Khoa, N.Ohtsuka, S.W.Huang, M.Ismail, A.Faessler, M.El-Shabshiry, J.Aichelin

Photon Production in Heavy-Ion Collisions and Nuclear Equation of State

NUCLEAR REACTIONS 12C(12C, X), 40Ca(40Ca, X), 93Nb(93Nb, X), E=84, 200 MeV/nucleon; calculated γ production σ. Quantum molecular dynamics model.

doi: 10.1016/0375-9474(91)90799-C
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1991LI33      Nucl.Phys. A534, 697 (1991)

G.Li, D.T.Khoa, T.Maruyama, S.W.Huang, N.Ohtsuka, A.Faessler, J.Aichelin

Subthreshold Pion Production in Nucleus-Nucleus Collisions within the Quantum Molecular Dynamics Approach

NUCLEAR REACTIONS 12C(12C, X), Ca(Ca, X), 93Nb(93Nb, X), E=200 MeV/nucleon; 20Ne(20Ne, X), E=183 MeV/nucleon; 64Cu(20Ne, X), E=250 MeV/nucleon; calculated pion production σ(θ, E(π)). Quantum molecular dynamics model.

doi: 10.1016/0375-9474(91)90467-K
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1990DA12      J.Phys.(London) G16, 1253 (1990)

T.K.Dao, A.Faessler, N.Ohtsuka

Exchange Part of the Real Heavy-Ion Optical Potential within the Double-Folding Model and the Nuclear Matter Approach

NUCLEAR REACTIONS 28Si(16O, 16O), E=49.7-215 MeV; 12C(12C, 12C), E=60-1200 MeV; 12C(16O, 16O), E=30-1510 MeV; calculated model potential parameters vs nucleus-nucleus separation. Double folding model.

doi: 10.1088/0954-3899/16/8/021
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1990GA12      Z.Phys. A336, 31 (1990)

F.Garcias, M.Barranco, A.Faessler, N.Ohtsuka

Angular Momentum and Temperature Dependence of Fission Barriers with a Realistic Force

NUCLEAR STRUCTURE 132Ce, 152Dy; calculated fission barrier thermal evolution. Bethe-Goldstone equation, realistic forces.

1990OH05      J.Phys.(London) G16, L155 (1990)

N.Ohtsuka, M.El-Shabshiry, M.Ismail, A.Faessler, J.Aichelin

Does Photon Production in Heavy-Ion Collisions Depend on the Equation of State ( Question )

NUCLEAR REACTIONS 12C(12C, X), 40Ca(40Ca, X), E=84, 200 MeV/nucleon; calculated γ production σ. Quantum molecular dynamics method.

doi: 10.1088/0954-3899/16/8/009
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1989BO12      Nucl.Phys. A494, 349 (1989)

A.Bohnet, N.Ohtsuka, J.Aichelin, R.Linden, A.Faessler

Quantum Molecular-Dynamics Approach to Heavy-Ion Collisions with Brueckner G-Matrix Cross Sections

NUCLEAR REACTIONS 93Nb(93Nb, X), E=400 MeV/nucleon; 12C(12C, X), E=84 MeV/nucleon; calculated momentum transfer, emitted particle number, collision number vs impact parameter. Quantum molecular dynamics.

doi: 10.1016/0375-9474(89)90028-6
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1989FA04      Z.Phys. A333, 153 (1989)

A.Faessler, M.Rashdan, M.Ismail, N.Ohtsuka, W.Wadia

Nuclear Shapes and Interaction Potentials of Two Colliding 208Pb Nuclei at Finite Temperature

NUCLEAR REACTIONS 208Pb(208Pb, X), E not given; calculated composite system free energy. Finite temperature, complex potential energy density.

1989IS01      Nucl.Phys. A496, 795 (1989)

M.Ismail, M.Rashdan, A.Faessler, R.Linden, N.Ohtsuka, W.Wadia

Relativistic Effects on the Optical Potential of Deformed U + U Nuclei

NUCLEAR REACTIONS U(U, U), E=83.2 MeV/nucleon; calculated optical potential parameters. Relativistic approach, deformed nuclei.

doi: 10.1016/0375-9474(89)90125-5
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1989PA08      Nucl.Phys. A499, 209 (1989)

G.Pantis, R.Linden, N.Ohtsuka, A.Faessler

Effect of 3α-Like States in 12C to 12C - 12C Scattering

NUCLEAR REACTIONS 12C(12C, 12C), (12C, 12C'), E=360 MeV; calculated σ(θ). Resonating group method, 3α-like states role.

doi: 10.1016/0375-9474(89)90278-9
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1988NA10      Nucl.Phys. A485, 360 (1988)

M.A.Nagarajan, A.Faessler, R.Linden, N.Ohtsuka

Causality and the Energy Dependence of Microscopic Nucleus-Nucleus Potential

NUCLEAR REACTIONS 12C(12C, 12C), E ≈ 0-150 MeV/nucleon; calculated model parameters. Energy density method, microscopic nucleus-nucleus potentials.

doi: 10.1016/0375-9474(88)90107-8
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1988OH01      Z.Phys. A329, 89 (1988)

N.Ohtsuka, A.Faessler

Inclusion of the Δ Resonance in the Optical Potential between Two Nuclei and Its Application to Medium Energy 12C - 12C Scattering

NUCLEAR REACTIONS 1H, 1n(p, p), 1H(n, n), E < 350 MeV; calculated phase shifts. 12C(12C, 12C), E=1.44, 2.4 GeV; calculated σ(θ); deduced optical potential parameters.

1988OH04      Nucl.Phys. A480, 513 (1988)


Isobar Doorway Approach to Pion Scattering on Open Shell Nuclei

NUCLEAR REACTIONS 12C(π+, π+), (π+, π+'), E=162 MeV; 14C, 14N(π, π), E=164 MeV; calculated σ(θ). Isobar doorway model.

doi: 10.1016/0375-9474(88)90461-7
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1988OH09      Nucl.Phys. A490, 715 (1988)

N.Ohtsuka, M.Shabshiry, R.Linden, H.Muther, A.Faessler

Complex Microscopic Optical Potential between Two Nuclei Based on Dirac-Brueckner Theory for Nuclear Matter

NUCLEAR REACTIONS 12C(12C, 12C), E=1.016-2.4 GeV; 12C(12C, 12C'), E=1.016 GeV; calculated σ(θ). Dirac-Brueckner approach.

doi: 10.1016/0375-9474(88)90022-X
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1988RA22      Z.Phys. A330, 417 (1988)

M.Rashdan, A.Faessler, N.Ohtsuka, R.Linden, W.Wadia, M.Ismail

The Effect of Nuclear and Coulomb Interactions on the Nuclear Shapes of Two Colliding 208Pb Nuclei

NUCLEAR REACTIONS 208Pb(208Pb, 208Pb), E not given; calculated nuclear shape changes; deduced nuclear, Coulomb interactions role.

1988TI06      Nucl.Phys. A485, 565 (1988)

L.Tiator, J.Vesper, D.Drechsel, N.Ohtsuka, L.E.Wright

Photoproduction of π+ from 14N in the Δ(1232) Region

NUCLEAR REACTIONS 14N(γ, π+), E=200-400 MeV; calculated σ(θ); deduced reaction mechanism. Extended isobar doorway model.

doi: 10.1016/0375-9474(88)90553-2
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1987FA08      Z.Phys. A326, 501 (1987)

A.Faessler, M.Ismail, N.Ohtsuka, M.Rashdan, W.Wadia

U + U Potential in the Sudden and Adiabatic Approximation

NUCLEAR REACTIONS 238U(238U, 238U), E=5.2, 20.9 MeV/nucleon; calculated optical, Coulomb potentials. Sudden, adiabatic approximation.

1987OC01      Phys.Rev. C35, 1063 (1987)

J.S.O'Connell, W.R.Dodge, J.W.Lightbody, Jr., X.K.Maruyama, J.-O.Adler, K.Hansen, B.Schroder, A.M.Bernstein, K.I.Blomqvist, B.H.Cottman, J.J.Comuzzi, R.A.Miskimen, B.P.Quinn, J.H.Koch, N.Ohtsuka

Electromagnetic Excitation of the Delta Resonance in Nuclei

NUCLEAR REACTIONS 1H, 4He, 9Be, 12C, 16O(e, e'X), E=537, 730 MeV; measured inclusive σ(E(e'), θ(e')); deduced quasifree peak positions, widths, average separation energies. Dispersion matched energy loss spectrometer. Model calculations.

doi: 10.1103/PhysRevC.35.1063
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1987OH02      Nucl.Phys. A465, 550 (1987)

N.Ohtsuka, R.Linden, A.Faessler, F.B.Malik

Real and Imaginary Parts of the Microscopic Optical Potential between Nuclei in the Sudden and Adiabatic Approximation and Its Application to Medium Energy 12C - 12C Scattering

NUCLEAR REACTIONS 12C(12C, 12C), 16O(16O, 16O), 40Ca(40Ca, 40Ca), 208Pb(208Pb, 208Pb), E=0.0, ≤4.313 GeV; calculated potential parameter internucleus distance dependence. 12C(12C, 12C), (12C, 12C'), (12C, X), E=300, 306, 1016 MeV; calculated σ(θ), reaction, inelastic σ(E). Sudden, adiabatic approximations.

NUCLEAR STRUCTURE 12C, 16O, 40Ca, 208Pb; calculated rms radius, binding energy per nucleon. Realistic two-nucleon interactions.

doi: 10.1016/0375-9474(87)90364-2
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1987OH13      Phys.Lett. 199B, 325 (1987)

N.Ohtsuka, R.Linden, A.Faessler

Complex Microscopic Optical Potential and Medium Energy Elastic Scattering of 12C on 12C and 208Pb

NUCLEAR REACTIONS 12C, 208Pb(12C, 12C), E=1440, 2400 MeV; calculated σ(θ). Microscopic optical potentials.

doi: 10.1016/0370-2693(87)90927-0
Citations: PlumX Metrics

1987RA13      Nucl.Phys. A468, 168 (1987)

M.Rashdan, A.Faessler, M.Ismail, N.Ohtsuka

The Temperature Dependence of the HI Optical Potential

NUCLEAR STRUCTURE 40Ca, 208Pb; calculated free, binding energies per particle, density distribution vs temperature. Realistic effective nucleon-nucleon interaction.

NUCLEAR REACTIONS 40Ca(40Ca, X), 208Pb(208Pb, X), E not given; calculated optical potentials vs temperature. Realistic effective nucleon-nucleon interaction.

doi: 10.1016/0375-9474(87)90322-8
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1987VE03      Nucl.Phys. A466, 652 (1987)

J.Vesper, D.Drechsel, N.Ohtsuka

Elastic and Inelastic Photon Scattering on 12C and 16O in the Δ-Resonance Region

NUCLEAR REACTIONS 12C, 16O(γ, γ), (γ, γ'), E ≤ 400 MeV; calculated σ(θ), σ(E, θ), structure functions. Isobar doorway approach.

doi: 10.1016/0375-9474(87)90461-1
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1985KO06      Nucl.Phys. A435, 765 (1985)

J.H.Koch, N.Ohtsuka

Inclusive Electron Scattering from Light Nuclei at Intermediate Energies

NUCLEAR REACTIONS 4He, 12C, 16O(e, e'X), E ≈ 730 MeV; calculated inclusive σ(θ(e'), E(e')), transverse σ. Isobar-hole model.

doi: 10.1016/0375-9474(85)90187-3
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1985VE09      Phys.Lett. 159B, 233 (1985)

J.Vesper, N.Ohtsuka, L.Tiator, D.Drechsel

Inelastic Photon Scattering in the Delta-Hole Approach

NUCLEAR REACTIONS 12C(γ, γ), (γ, γ'), E ≈ 175-375 MeV; calculated σ(θ) vs E. 12C(γ, γ), (γ, γ'), E=325 MeV; calculated σ(θ). Resonant isobar excitation, nonresonant background.

doi: 10.1016/0370-2693(85)90241-2
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1984GA11      Nucl.Phys. A422, 189 (1984)

C.Gaarde, J.S.Larsen, H.Sagawa, N.Ohtsuka, J.Rapaport, T.N.Taddeucci, C.D.Goodman, C.C.Foster, C.A.Goulding, D.Horen, T.Masterson, E.Sugarbaker

Spin-Dipole Strength in 12N

NUCLEAR REACTIONS 12C(p, n), E=120, 160, 200 MeV; measured σ(θ). 12N deduced levels, J, π, analogs.

doi: 10.1016/0375-9474(84)90513-X
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1984KO33      Ann.Phys.(New York) 154, 99 (1984)

J.H.Koch, E.J.Moniz, N.Ohtsuka

Nuclear Photoabsorption and Compton Scattering at Intermediate Energy

NUCLEAR REACTIONS 12C(γ, X), E=200-400 MeV; calculated photoabsorption σ(E). 12C(γ, γ), E(cm)=325 MeV; 4He(γ, γ), E(cm)=200, 325 MeV; calculated elastic Compton scattering σ(θ). Isobar-hole approach.

doi: 10.1016/0003-4916(84)90141-6
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1983AZ01      Lett.Nuovo Cim. 37, 353 (1983)

S.Azam, Y.Nogami, N.Ohtsuka

Short-Range Repulsive Three-Body Force and the Point Proton Density of 3He

NUCLEAR STRUCTURE 3He; calculated point proton density. Short range repulsive three-body force.

doi: 10.1007/BF02739655
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1981NO04      Phys.Rev. C23, 1759 (1981)

Y.Nogami, N.Ohtsuka, L.Consoni

Central Depression in the Charge Distributions of 3He and 4He

NUCLEAR STRUCTURE 3,4He; calculated charge distributions; deduced sensitivity to short range part of three-body force. Phenomenological wave functions.

doi: 10.1103/PhysRevC.23.1759
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1981OH06      Nucl.Phys. A370, 431 (1981)


Energy Spectra of Neutrons Emitted following Muon Capture in 16O and 12C

NUCLEAR REACTIONS 12C, 16O(μ-, n), E at rest; calculated σ(En). 12C, 16O deduced giant resonance excitation. Continuum shell model.

doi: 10.1016/0375-9474(81)90106-8
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1980OH07      Prog.Theor.Phys.(Kyoto) 64, 2128 (1980)

N.Ohtsuka, H.Ohtsubo

Radiative Pion Capture on 12C

NUCLEAR REACTIONS 12C(π-, γ), E at rest; calculated capture rate vs Eγ, σ(Eγ). 12C levels deduced vibration mode characteristics. Continuum shell model, pionic atom parameters.

doi: 10.1143/PTP.64.2128
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1978KO31      Nucl.Phys. A312, 377 (1978)

M.Kobayashi, N.Ohtsuka, H.Ohtsubo, M.Morita

Average Polarization of 12B in Polarized Muon Capture

NUCLEAR REACTIONS 12C(polarized μ-, ν), E=at rest; calculated average polarization of recoil nucleus. Compared with data. Deduced ratio (g(p)-g(t))/gA.

doi: 10.1016/0375-9474(78)90598-5
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1978OH03      Nucl.Phys. A306, 513 (1978)

N.Ohtsuka, H.Ohtsubo

Investigation of Radiative Pion Capture in 16O by the Continuum Shell Model

NUCLEAR REACTIONS 16O(π-, γ); calculated capture rates.

doi: 10.1016/0375-9474(78)90478-5
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1976OH06      Progr.Theor.Phys. 56, 1978 (1976)

N.Ohtsuka, K.Kume, H.Ohtsubo

Longitudinal Polarizations of Emitted Neutron in Muon Capture on 40Ca

NUCLEAR REACTIONS 40Ca(μ-, n); calculated polarization.

doi: 10.1143/PTP.56.1978
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1975KU19      Nucl.Phys. A251, 465 (1975)

K.Kume, N.Ohtsuka, H.Ohtsubo, M.Morita

Asymmetry and Energy Spectrum of High-Energy Neutrons Emitted in Polarized Muon Capture by Nuclei

NUCLEAR REACTIONS 40Ca(μ-, n); calculated number of neutrons per muon capture.

doi: 10.1016/0375-9474(75)90542-4
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