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NSR database version of May 1, 2024.

Search: Author = W.Watari

Found 19 matches.

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1990HI10      Prog.Theor.Phys.(Kyoto) 84, 941 (1990)

N.Hiroshige, M.Kawasaki, W.Watari, M.Yonezawa

Partial-Wave Amplitudes of Elastic πd Scattering

NUCLEAR REACTIONS 2H(π, π), E=117-325 MeV; analyzed data; deduced 3P2, 3D3, S-wave matrix element moduli.

doi: 10.1143/ptp/84.5.941
Citations: PlumX Metrics


1985HI01      Phys.Lett. 150B, 41 (1985)

N.Hiroshige, W.Watari, K.Takabayashi, M.Yonezawa

The Dibaryon Resonance in Pion-Deuteron Scattering and the Standard Theory for the A = 2 System

NUCLEAR REACTIONS 2H(π, π), E ≈ 2-2.25 GeV; calculated reaction partial wave amplitudes; deduced dibaryon resonance role. Standard two-nucleon model, Faddeev formalism.

doi: 10.1016/0370-2693(85)90133-9
Citations: PlumX Metrics


1984HI14      Prog.Theor.Phys.(Kyoto) 72, 146 (1984)

N.Hiroshige, M.Kawasaki, K.Takabayashi, W.Watari, M.Yonezawa

Analysis of the Dibaryon Resonances with J(π) = 2+ and 3- by a Three-Channel (pp, NΔ, πd) K-Matrix Method

NUCLEAR REACTIONS 1H(p, p), (p, π), 2H(π, π), E ≈ resonance; analyzed phase shifts; deduced dibaryon resonances, J, π.


1984HI15      Prog.Theor.Phys.(Kyoto) 72, 1146 (1984)

N.Hiroshige, W.Watari, M.Yonezawa

Partial-Wave Amplitudes of pp - π+d Process from Its Threshold to T(p)(L)=810 MeV

NUCLEAR REACTIONS 1H(p, π+), E=threshold-810 MeV; analyzed phase shifts; deduced partial wave amplitude.

doi: 10.1143/PTP.72.1146
Citations: PlumX Metrics


1982HI08      Prog.Theor.Phys.(Kyoto) 68, 327 (1982)

N.Hiroshige, W.Watari, M.Yonezawa

Phase Shift Analysis of π - d Elastic Scattering in the Momentum Region p(π)(lab) = 245 MeV/c ≈ 539 MeV/c

NUCLEAR REACTIONS 2H(π, π), E at 245-539 MeV/c; calculated σ(θ), recoil deuteron tensor polarization vs θ. Phase shift analysis.

doi: 10.1143/PTP.68.327
Citations: PlumX Metrics


1982HI15      Prog.Theor.Phys.(Kyoto) 68, 2074 (1982)

N.Hiroshige, W.Watari, M.Yonezawa

Partial Wave Analysis of pp → π+d Reaction in the Energy Region T(p)(lab) ≤ 810 MeV

NUCLEAR REACTIONS 1H(p, π+), (polarized p, π+), E ≤ 800 MeV; analyzed σ(θ), total(σ), analyzing power, recoil deuteron polarization data. Partial wave analysis.

doi: 10.1143/PTP.68.2074
Citations: PlumX Metrics


1981KA02      Lett.Nuovo Cim. 29, 289 (1980)

H.Kamo, W.Watari

3F3 Enhancement in the Reaction pp → π+d. Model-Dependent Partial-Wave Analysis from 570 to 810 MeV.

NUCLEAR REACTIONS 1H(p, π+), (polarized p, π+), E=570-810 MeV; analyzed σ(θ), polarization data; deduced diproton resonance parameters. Energy-dependent partial wave analysis.

doi: 10.1007/BF02743304
Citations: PlumX Metrics


1980KA26      Prog.Theor.Phys.(Kyoto) 64, 338 (1980)

H.Kamo, W.Watari

Phenomenological Analysis of p + p → π+ + d in the Energy Range 400 to 800 MeV and Di-Proton Resonances. II

NUCLEAR REACTIONS 1H(polarized p, d), (polarized p, π+), E=400-800 MeV; calculated σ(θ(π+), E), polarization P(θd, E), analyzing power A(θd, E); deduced diproton resonance effects. Neutron exchange Born amplitude, isobar intermediate state.

doi: 10.1143/PTP.64.338
Citations: PlumX Metrics


1980KA33      Prog.Theor.Phys.(Kyoto) 64, 2144 (1980)

H.Kamo, W.Watari, M.Yonezawa

A Partial-Wave Analysis of p + p → π+ + d Reaction from Threshold to T(L)=578 MeV

NUCLEAR REACTIONS 1H(polarized p, d), (p, d), E=thermal-578 MeV; analyzed σ(θ), polarization, vector, tensor analyzing power data; deduced transition amplitudes. Partial wave anaysis.

doi: 10.1143/PTP.64.2144
Citations: PlumX Metrics


1979KA23      Lett.Nuovo Cim. 26, 45 (1979)

H.Kamo, W.Watari

Analysis of pp → π+ d and Diproton Resonances

NUCLEAR REACTIONS 1H(polarized p, π+), E=425, 532, 591 MeV; calculated σ(θ), asymmetries; deduced diproton resonance parameters. Neutron exchange Born term, Δ-N intermediate state, diproton resonance.

doi: 10.1007/BF02746573
Citations: PlumX Metrics


1979KA36      Prog.Theor.Phys.(Kyoto) 62, 569 (1979)

H.Kamo, W.Watari

NΔ(1232) State Contribution in p+p → π++d Reaction

NUCLEAR REACTIONS 1H(p, π+), E=425, 570, 746 MeV; calculated σ(θ), P(θ).

doi: 10.1143/PTP.62.569
Citations: PlumX Metrics


1979KA38      Prog.Theor.Phys.(Kyoto) 62, 843 (1979)

H.Kamo, W.Watari

The Reaction p+p → π++d and Di-Proton Resonances

NUCLEAR REACTIONS 1H(p, π+), E=450-720 MeV; calculated σ(θ), P(θ); deduced di-proton resonance parameters. K-matrix, neutron exchange Born amplitude, di-proton resonance contribution.

doi: 10.1143/PTP.62.843
Citations: PlumX Metrics


1979KA39      Prog.Theor.Phys.(Kyoto) 62, 1035 (1979)

H.Kamo, W.Watari

Phenomenological Analysis of p+p → π++d in the Energy Range between 400 MeV and 800 MeV and Di-Proton Resonances

NUCLEAR REACTIONS 1H(p, π+), E=400-800 MeV; calculated totalσ, σ(θ), P(θ); deduced di-proton resonance parameters. K-matrix, neutron exchange, intermediate states, di-proton resonances.

doi: 10.1143/PTP.62.1035
Citations: PlumX Metrics


1978HI08      Prog.Theor.Phys. 60, 1027 (1978)

N.Hiroshige, W.Watari

Low Energy Pion Photoproduction and One-Particle-Exchange Model

NUCLEAR REACTIONS 1H(γ, π+), (γ, π0), 1n(γ, π-), E=260, 300, 350, 400, 450 MeV; analyzed 2H(γ, X) data on σ(θ), P(θ), polarized photon, target asymmetries in Δ(33) region. One-particle exchange model, K-matrix method.

doi: 10.1143/PTP.60.1027
Citations: PlumX Metrics


1976FU08      Nuovo Cim. 34A, 467 (1976)

S.Furuichi, M.Matsuda, W.Watari

A New Approach to the Phase-Shift Analysis of Nucleon-Nucleon Scattering in the Energy Region between 300 MeV and 1000 MeV

NUCLEAR REACTIONS 1H(p, p), (n, n), E=300-1000 MeV; calculated phase shifts.


1974FU14      Nuovo Cim. 23A, 375 (1974)

S.Furuichi, M.Matsuda, W.Watari

On the Possible Existence of a Diproton Resonance. A Proposal of p-p Scattering Experiment at About 500 MeV

NUCLEAR REACTIONS 1H(p, p), E=500-1000 MeV; analyzed, discussed possible diproton resonance.

doi: 10.1007/BF02739492
Citations: PlumX Metrics


1972FU11      Nucl.Phys. A193, 285 (1972)

S.Furuichi, H.Suemitsu, M.Yonezawa, W.Watari

The Kantor Amplitudes of Nucleon-Nucleon Scattering below 500 MeV

doi: 10.1016/0375-9474(72)90253-9
Citations: PlumX Metrics


1971FU04      Nucl.Phys. A165, 211 (1971)

S.Furuichi, H.Suemitsu, M.Yonezawa, W.Watari

Analysis of the Kantor Amplitudes and Recent Low-Energy Proton-Proton Scattering Experiments

NUCLEAR REACTIONS 1H(p, p), E=25-50 MeV; calculated phase shifts.

doi: 10.1016/0375-9474(71)90159-X
Citations: PlumX Metrics


1963HO27      Progr.Theoret.Phys.(Kyoto) 30, 494 (1963)

N.Hoshizaki, S.Otsuki, R.Tamagaki, W.Watari

Phase Shift Analysis of Proton-Proton Scattering at 52 MeV and Spin-Orbit Force

NUCLEAR STRUCTURE 1H; measured not abstracted; deduced nuclear properties.

doi: 10.1143/PTP.30.494
Citations: PlumX Metrics


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