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NSR database version of April 29, 2024.

Search: Author = Y.Okuhara

Found 13 matches.

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1993AD08      Phys.Rev. C48, 1438 (1993)

J.P.Adams, P.G.Blunden, B.Castel, Y.Okuhara

Role of Nuclear Structure in the Spin-Isopin Nuclear Response Problem

NUCLEAR STRUCTURE ⁴⁰Ca; calculated spin-longitudinal to spin-transverse response functions ratio; deduced structure effects role in discrepancy with data. Hartree-Fock based RPA approach.

doi: 10.1103/PhysRevC.48.1438
Citations: PlumX Metrics

1991CA18      Z.Phys. A339, 261 (1991)

B.Castel, E.R.Siciliano, Y.Okuhara

Radiative M1 Capture in Light Nuclei

NUCLEAR REACTIONS ²⁸Si(n, γ), E not given; analyzed B(M1) data; deduced reaction mechanism. Shell model.

doi: 10.1007/BF01284062
Citations: PlumX Metrics

1990CA34      Phys.Rev. C42, R1203 (1990)

B.Castel, Y.Okuhara, H.Sagawa

Isospin Forbidden E1 Transition in ¹⁶O and ⁴⁰Ca and the Applicability of Siegert's Theorem

NUCLEAR STRUCTURE ¹⁶O, ⁴⁰Ca; calculated transition charge densities, isoscalar E1 matrix elements. Siegert's theorem test.

NUCLEAR REACTIONS ¹⁶O(e, e'), E not given; calculated form factors. Siegert's theorem test.

doi: 10.1103/PhysRevC.42.R1203
Citations: PlumX Metrics

1989BO15      Z.Phys. A333, 137 (1989)

P.M.Boucher, B.Castel, I.P.Johnstone, Y.Okuhara, C.Glashausser

Spin Excitations in Light Nuclei: The (p(pol), p(pol)') reaction on ⁴⁰Ca

NUCLEAR REACTIONS ⁴⁰Ca(polarized p, p'), E=319 MeV; calculated spin-flip σ(θ); deduced interaction parameters. Realistic RPA.

1989BO19      Phys.Rev. C40, 453 (1989)

P.M.Boucher, B.Castel, Y.Okuhara

Spin Excitations in Light Nuclei: Effect of projectile energy

NUCLEAR REACTIONS ⁴⁰Ca(polarized p, p'), E=319-800 MeV; calculated spin-flip probability vs E.

doi: 10.1103/PhysRevC.40.453
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1989BO44      Ann.Phys.(New York) 196, 150 (1989)

P.M.Boucher, B.Castel, Y.Okuhara, H.Sagawa

Many Particle-Many Hole Nuclear Correlations and the Missing Charge Problem

NUCLEAR STRUCTURE ¹²C, ^40,48Ca, ⁵⁶Fe; calculated longitudinal response functions. Many-particle, many-hole correlations.

doi: 10.1016/0003-4916(89)90048-1
Citations: PlumX Metrics

1989SA04      Phys.Lett. 219B, 10 (1989)

H.Sagawa, P.M.Boucher, B.Castel, Y.Okuhara

The Missing Charge Problem and Many-Body Correlation Effects

NUCLEAR STRUCTURE ⁴⁰Ca; calculated longitudinal response function.

doi: 10.1016/0370-2693(89)90827-7
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1988BO07      Phys.Rev. C37, 906 (1988)

P.M.Boucher, B.Castel, Y.Okuhara, I.P.Johnstone, J.Wambach, T.Suzuki

Spin-Flip Excitations in a Schematic Model

NUCLEAR REACTIONS, ICPND ⁴⁰Ca(p, p'), E ≈ 10-40 MeV; calculated σ(E); deduced spin-flip probability vs E.

doi: 10.1103/PhysRevC.37.906
Citations: PlumX Metrics

1987OK02      Phys.Lett. 186B, 113 (1987)

Y.Okuhara, B.Castel, I.P.Johnstone, H.Toki

Nuclear Spin Response to Inelastic Proton Scattering: Finite geometry and absorption effects

NUCLEAR STRUCTURE ⁴⁰Ca; calculated longitudinal to transverse response function ratios. Finite geometry, absorption effects.

doi: 10.1016/0370-2693(87)90264-4
Citations: PlumX Metrics

1986OK05      Phys.Rev. C34, 2019 (1986)

Y.Okuhara, B.Castel, I.P.Johnstone, H.Toki

Surface Effects and the Spin-Isospin Nuclear Response Function

NUCLEAR STRUCTURE ⁴⁰Ca; calculated longitudinal, transverse response function ratio vs spin; deduced surface effects role.

doi: 10.1103/PhysRevC.34.2019
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1986SA30      Phys.Rev. C34, 2171 (1986)

H.Sato, Y.Okuhara

Nucleus-Nucleus Scattering and Interaction Radii of Stable and Unstable Nuclei

NUCLEAR REACTIONS ⁴He, ⁶Li, C, O, ¹²C, ⁵⁶Fe, ²⁰⁸Pb(p, p), E=0.79, 1 GeV; ⁴He, ^6,7Li, ^9,10Be, ¹²C, ⁵⁶Fe, ²⁰⁸Pb(α, α), E=0.79 GeV/nucleon; ⁴He, ^6,7Li, ^9,10Be, ¹²C, ⁵⁶Fe, ²⁰⁸Pb(¹²C, ¹²C), E=0.79 GeV/nucleon; H, Li, Be, C, S, Cu, Ag, Ta, Pb, U, ⁵⁶Fe, ²⁰⁸Pb(⁵⁶Fe, ⁵⁶Fe), E=0.79, 1.88 GeV/nucleon; ⁴He, ^6,7Li, ^9,10Be(²⁷Al, ²⁷Al), E=0.79 GeV/nucleon; ²⁰⁸Pb(²⁰⁸Pb, ²⁰⁸Pb), E=0.79 GeV/nucleon; calculated total, interaction σ; deduced interaction σ additivity relationship, mean free path. Glauber model, Hartree-Fock-type variational calculations.

doi: 10.1103/PhysRevC.34.2171
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1985OK02      Z.Phys. A321, 137 (1985)

Y.Okuhara

Fast Neutron Emission from the Energy Region of the Giant Quadrupole Resonance

NUCLEAR REACTIONS ¹¹⁹Sn(α, α'n), E=109 MeV; calculated σ(θα, θn).

doi: 10.1007/BF01411957
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1985SA32      Phys.Lett. 162B, 217 (1985)

H.Sato, Y.Okuhara

High-Energy Nucleus-Nucleus Scattering and the Matter Radius of the Unstable Nucleus

NUCLEAR STRUCTURE ^4,6,8,10He, ^6,7,8,9,11Li, ^9,10Be, ¹²C, ²⁷Al; calculated n, p, charge rms radii. Skyrme interactions.

doi: 10.1016/0370-2693(85)90909-8
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