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NSR database version of April 27, 2024.

Search: Author = K.Ohta

Found 19 matches.

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2005OH02      Nucl.Phys. A748, 260 (2005)

K.Ohnishi, K.Fukushima, K.Ohta

Dynamic aspect of the chiral phase transition in the mode coupling theory

doi: 10.1016/j.nuclphysa.2004.11.001
Citations: PlumX Metrics

2005OH07      Nucl.Phys. A755, 661c (2005)

M.Ohtani, K.Ohta

Spin polarized Skyrmions in the UEM(1) gauged Wess-Zumino action

doi: 10.1016/j.nuclphysa.2005.03.081
Citations: PlumX Metrics

2001FU03      Phys.Rev. C63, 045203 (2001)

K.Fukushima, K.Ohnishi, K.Ohta

Topological Susceptibility at Zero Temperature and Finite Temperature in the Nambu-Jona-Lasinio Model

doi: 10.1103/PhysRevC.63.045203
Citations: PlumX Metrics

1999TA20      Eur.Phys.J. A 5, 123 (1999)

Y.Tagaya, S.Hashimoto, K.Morita, Y.H.Pu, T.Ariga, K.Ohta, T.Minemura, I.Hisanaga, T.Motobayashi, T.Nomura

The α-Decay Energies and Halflives of 195g, mAt and 199Fr

RADIOACTIVITY 191,191mBi, 195,195mAt, 199Fr(α) [from 169Tm(36Ar, X)]; measured Eα, T1/2.

NUCLEAR REACTIONS 169Tm(36Ar, 6n), E=215 MeV; measured Eα, αα-coin following residual nucleus decay; deduced evidence for 199Fr.

doi: 10.1007/s100500050266
Citations: PlumX Metrics

1995IK02      Nucl.Phys. A592, 443 (1995)

T.Ikehashi, K.Ohta

The Low-Energy Theorem of Pion Photoproduction Using the Skyrme Model

doi: 10.1016/0375-9474(95)00325-U
Citations: PlumX Metrics

1989TA22      Phys.Rev. C40, 1905 (1989)

H.Tanabe, K.Ohta

Unitary Theory of the Deuteron Photodisintegration

NUCLEAR REACTIONS 2H(γ, np), E ≈ 50-450 MeV; 2H(γ, π-2p), (γ, π0), E ≈ threshold-450 MeV; calculated σ(E). Unitary theory, coupled system.

doi: 10.1103/PhysRevC.40.1905
Citations: PlumX Metrics

1988NA06      Ann.Phys.(New York) 184, 148 (1988)

R.Nagaoka, K.Ohta

π-6Li Scattering and the Δ Dynamics

NUCLEAR REACTIONS 6Li(π, π), E=100 MeV; 6Li(π+, π+), (π-, π-), E=164, 180, 240 MeV; 6Li(π, π'), E=162 MeV; calculated σ(θ), tensor analyzing power vs θ, reaction, absorption σ(E). Watson multiple scattering theory, three-body wave functions, isobar dynamics.

doi: 10.1016/0003-4916(88)90272-2
Citations: PlumX Metrics

1988OH03      J.Phys.(London) G14, 449 (1988)

K.Ohta

Electron-Deuteron Elastic Scattering in the Relativistic Impulse Approximation

NUCLEAR REACTIONS 2H(e, e), E not given; calculated form factors. Relativistic formalism.

doi: 10.1088/0305-4616/14/4/008
Citations: PlumX Metrics

1988TA16      Nucl.Phys. A484, 493 (1988)

H.Tanabe, K.Ohta

Pion-Nucleon Interaction Model for the P11 and P33 Channels and the Unitary Three-Body Calculation of NN Scattering

NUCLEAR REACTIONS 1n(p, p), E < 1 GeV; calculated σ(E). Isobar dominated model.

doi: 10.1016/0375-9474(88)90306-5
Citations: PlumX Metrics

1987TA23      Phys.Rev. C36, 2495 (1987)

H.Tanabe, K.Ohta

NΔ-NN Interaction in the Pionic Disintegration of the Deuteron

NUCLEAR REACTIONS 2H(π+, p), E ≤ 350 MeV; calculated disintegration σ(E). 2H(π+, p), E=80, 145, 210 MeV; calculated σ(θ), analyzing power vs θ. Unitary three-body model.

doi: 10.1103/PhysRevC.36.2495
Citations: PlumX Metrics

1986NA05      Phys.Rev. C33, 1393 (1986)

R.Nagaoka, K.Ohta

Pauli-Principle Effects in Pion Scattering from the Lightest Nuclei

NUCLEAR REACTIONS 2H(π+, π+), E=65-292 MeV; 4He(π+, π+), E=51 MeV; 4He(π-, π-), E=51-180 MeV; 3He(π+, π+), E=45-156 MeV; 3He(π-, π-), E=65-208 MeV; calculated σ(θ); deduced elastic, reaction σ(E).

doi: 10.1103/PhysRevC.33.1393
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1985OH09      Ann.Phys.(New York) 163, 420 (1985)

K.Ohta, M.Thies, T.-S.H.Lee

Study of the Two-Nucleon Mechanism of Pion Absorption in Nuclei

NUCLEAR REACTIONS 3,4He, 12C(π+, p), E ≈ 50-250 MeV; calculated σ(Ep), absorption σ(E), σ(θ) vs proton momentum, σ(θ, Ep); deduced pion absorption mechanism.

doi: 10.1016/0003-4916(85)90385-9
Citations: PlumX Metrics

1982LE18      Phys.Rev.Lett. 49, 1079 (1982)

T.-S.H.Lee, K.Ohta

Isospin Dependence of Pion Absorption on 3He

NUCLEAR REACTIONS 3He(π+, 2p), (π-, np), E=165 MeV; calculated σ(θ1, θ2); deduced two-body mechanism role. Isobar model.

doi: 10.1103/PhysRevLett.49.1079
Citations: PlumX Metrics

1976OH01      Progr.Theor.Phys. 55, 131 (1976)

K.Ohta, M.Wakamatsu

Nucleon Recoil Current in the Nuclear Weak and Electromagnetic Interactions

NUCLEAR STRUCTURE 3H, 3He; calculated Gamow-Teller matrix elements.

doi: 10.1143/PTP.55.131
Citations: PlumX Metrics

1972OH07      Prog.Theor.Phys. 47, 1563 (1972)

K.Ohta

Phase Transitions in Nuclear Fission. II

doi: 10.1143/PTP.47.1563
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1972OH10      Progr.Theor.Phys. 47, 2144 (1972)

K.Ohta

The Folded Yukawa Nuclear Singleparticle Potential with Two Centres

doi: 10.1143/PTP.47.2144
Citations: PlumX Metrics

1971OH06      Progr.Theor.Phys. 45, 1808 (1971)

K.Ohta

A Note on Fission Fragment Angular Distributions at Intermediate Excitation Energies

NUCLEAR STRUCTURE 240Pu; calculated effective moment of inertia at saddle point vs excitation energy. Pairing + octupole model.

doi: 10.1143/PTP.45.1808
Citations: PlumX Metrics

1971OH07      Progr.Theor.Phys. 45, 1493 (1971)

K.Ohta

Phase Transitions in Nuclear Fission. I

NUCLEAR STRUCTURE 210Po, 222,224Ra, 226Ra, 226,228,230Th, 232,234,236U, 238,240Pu; calculated gap parameters at saddle point; analyzed phase transitions. 226Ra, 230Th, 236U, 240Pu; calculated excitation energy at phase transitions.

doi: 10.1143/PTP.45.1493
Citations: PlumX Metrics

1971OH08      Progr.Theor.Phys. 46, 1635 (1971)

K.Ohta

Criterion for the Simultaneous Coexistence of Superconductivity and Mass Asymmetry of Heavy Nuclei in a Simple Method

doi: 10.1143/PTP.46.1635
Citations: PlumX Metrics

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