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NSR database version of April 27, 2024.

Search: Author = K.Masutani

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2002IK02      Prog.Theor.Phys.(Kyoto) 108, 917 (2002)

K.Ikuta, M.Arima, K.Masutani

Kaonic nuclei and kaon-nucleus interactions

ATOMIC PHYSICS ¹¹B, ¹²C, ¹⁶O, ²⁸Si, ³¹P, ³²S, ²⁰⁸Pb; calculated kaonic atoms level energies, widths, related parameters.

NUCLEAR STRUCTURE ³¹P; calculated kaonic states binding energies, widths.

NUCLEAR REACTIONS ³²S(K^-, pX)³¹P, E at 500, 1000 MeV/c; calculated σ(E, θ) for kaonic residual nucleus. Green function method.

doi: 10.1143/PTP.108.917
Citations: PlumX Metrics

2000MA07      Phys.Lett. 474B, 255 (2000)

I.Maeda, M.Arima, K.Masutani

Effects of Baryon Resonances on Nucleon-Nucleon Interactions in a Quark Model

doi: 10.1016/S0370-2693(00)00031-9
Citations: PlumX Metrics

1998KO54      Prog.Theor.Phys.(Kyoto) 100, 339 (1998)

H.Kowata, M.Arima, K.Masutani

Nucleon Resonances in a Constituent Quark Model with Chiral Symmetry

doi: 10.1143/PTP.100.339
Citations: PlumX Metrics

1996HA24      Nucl.Phys. A607, 363 (1996)

T.Hamaie, K.Masutani, M.Arima

Radiative Decay of Kaonic Hydrogen and a Constituent Quark Model with Meson-Quark Couplings

NUCLEAR REACTIONS ¹H(K^-, K^-), (K^-, K⁰), (K^-, X), E at ≈ 80-200 MeV/c; analyzed reaction, σ, π^-Σ⁺-, π⁺Σ^-, π⁰Σ⁰-, π⁰Λ-production σ. Constituent quark model.

doi: 10.1016/S0375-9474(96)00252-7
Citations: PlumX Metrics

1995AR01      Phys.Rev. C51, 285 (1995)

M.Arima, K.Masutani, R.Seki

Nucleon Resonances and Pion-Nucleon Interaction in Nuclear Matter above the Δ Resonance Energy

doi: 10.1103/PhysRevC.51.285
Citations: PlumX Metrics

1995AR02      Phys.Rev. C51, 431 (1995)

M.Arima, K.Masutani, R.Seki

Further Study of π-¹²C Elastic Scattering at 800 MeV/c

NUCLEAR REACTIONS ¹²C(π^-, π^-), E at 800 MeV/c; analyzed σ(θ). Improved pion-absorption effects, dynamical in-medium modification of N(*) resonances.

doi: 10.1103/PhysRevC.51.431
Citations: PlumX Metrics

1995AR07      Nucl.Phys. A585, 309c (1995)

M.Arima, T.Hamaie, K.Masutani

(Lambda)(1405) and the Quark Model

doi: 10.1016/0375-9474(94)00581-7
Citations: PlumX Metrics

1995HA22      Nucl.Phys. A591, 675 (1995)

T.Hamaie, M.Arima, K.Masutani

Negative-Parity Hyperons in the Constituent Quark Model with Meson-Quark Couplings

NUCLEAR REACTIONS ¹H(K^-, K^-), (K^-, X), (K^-, K⁰), E at ≤ 200 MeV/c; analyzed σ vs momentum. Constituent quark model, meson-quark couplings, hyperon production.

doi: 10.1016/0375-9474(95)00297-E
Citations: PlumX Metrics

1991AR12      Phys.Rev. C44, 415 (1991); Erratum Phys.Rev. C48, 2541 (1993)

M.Arima, K.Masutani, R.Seki

Pion-Nucleus Scattering at 800 MeV/c

NUCLEAR REACTIONS ¹²C(π⁺, π⁺), E at 800 MeV/c; calculated σ(θ). Glauber theory, optical model.

doi: 10.1103/PhysRevC.44.415
Citations: PlumX Metrics

1991SE10      Phys.Lett. 263B, 1 (1991)

R.Seki, K.Masutani, H.Toki

Absorptive Contents of Pionic-Atom Optical Potentials and the Anomaly Problem

ATOMIC PHYSICS, Mesic-Atoms ²⁰⁸Pb; calculated pionic atom binding energy; deduced optical potential features.

doi: 10.1016/0370-2693(91)91697-T
Citations: PlumX Metrics

1988MA33      Nucl.Phys. A483, 565 (1988)

K.Masutani

K^--⁴He Interaction at Low Energies

NUCLEAR REACTIONS ⁴He(K^-, K^-), E=15, 30 MeV; analyzed σ(θ). ¹H(K^-, K^-), (K^-, π⁺), (K^-, π⁰), (K^-, π^-), E at 100-250 MeV/c; analyzed σ. Isobar model.

ATOMIC PHYSICS, Mesic-Atoms ⁴He; calculated kaonic atom strong interaction shifts, widths.

doi: 10.1016/0375-9474(88)90084-X
Citations: PlumX Metrics

1988MA37      Phys.Rev. C38, 867 (1988)

K.Masutani, R.Seki

Observation of Pionic Atom Anomaly in Low-Energy Pion Scattering

NUCLEAR REACTIONS ¹²C, ⁴⁰Ca(π⁺, π⁺), (π^-, π^-), E=19.5, 30 MeV; ¹⁶O, ¹²C(π⁺, π⁺), (π^-, π^-), E=20, 30 MeV; ⁵⁸Ni(π⁺, π⁺), (π^-, π^-), E=30 MeV; calculated σ(θ); deduced pion atom anomaly role.

doi: 10.1103/PhysRevC.38.867
Citations: PlumX Metrics

1987WR01      Phys.Rev. C35, 2258 (1987)

D.H.Wright, M.Blecher, K.Masutani, R.Seki, R.L.Boudrie, R.L.Burman, M.J.Leitch, M.Alsolami, G.Blanpied, J.A.Escalante, C.S.Mishra, G.Pignault, B.M.Preedom, C.S.Whisnant, B.G.Ritchie

Indication of Pionic-Atom Anomalies in Pion-Nucleus Elastic Scattering

NUCLEAR REACTIONS ⁵⁸Ni(π⁺, π⁺), (π^-, π^-), E=30 MeV; measured σ(θ); deduced pion-atom anomalies. Clamshell spectrometer.

doi: 10.1103/PhysRevC.35.2258
Citations: PlumX Metrics

1985MA27      Phys.Lett. 156B, 11 (1985)

K.Masutani, R.Seki

Investigation of the 3d Pionic Atom Anomaly in Low-Energy Pion Scattering

NUCLEAR REACTIONS ⁴⁰Ca(π^-, π^-), (π⁺, π⁺), E=10, 20, 30 MeV; calculated σ(θ), σ(π^-)/σ(π⁺) vs θ; deduced optical model parameters, optical conditions for 3d atomic state shift, width anomaly studies.

doi: 10.1016/0370-2693(85)91345-0
Citations: PlumX Metrics

1984AN11      Nucl.Phys. A420, 435 (1984)

L.E.Antonuk, D.Bovet, E.Bovet, J.-P.Egger, J.-F.Germond, F.Goetz, P.Gretillat, C.Lunke, E.Schwarz, K.Masutani, T.Takaki

Elastic and Inelastic Pion Scattering on ¹²C and ¹³C at 100 MeV

NUCLEAR REACTIONS ^12,13C(π⁺, π⁺), (π^-, π^-), (π⁺, π⁺'), (π^-, π^-'), E=100 MeV; measured σ(θ), σ(E(π)). Isobar-hole model analysis.

doi: 10.1016/0375-9474(84)90667-5
Citations: PlumX Metrics

1983HI11      Phys.Lett. 128B, 15 (1983)

M.Hirata, K.Masutani, A.Matsuyama, K.Yazaki

The ⁴He(π^-, n)³H Reaction in a Δ-Hole Model

NUCLEAR REACTIONS ⁴He(π^-, n), E=100, 150, 200 MeV; calculated σ(θ). ²H(π⁺, p), E=142 MeV; calculated σ(θ), polarization vs θ; deduced isobar-nucleon to nucleon-nucleon transition interaction parameters.

doi: 10.1016/0370-2693(83)90064-3
Citations: PlumX Metrics

1983MA56      Nucl.Phys. A407, 309 (1983)

K.Masutani, K.Yazaki

The Pion Optical Potential and Its Application to Reaction Processes

NUCLEAR REACTIONS ¹²C(π^-, π^-), E=30-280 MeV; ¹²C(π⁺, π⁺), E=30, 35, 40, 50 MeV; ⁴⁰Ca(π^-, π^-), (π⁺, π⁺), E=130, 180, 230 MeV; ²⁰⁸Pb(π⁺, π⁺), E=30-162 MeV; ²⁰⁸Pb(π^-, π^-), E=116, 162 MeV; calculated σ(θ). ²⁷Al, S, Fe, Pb, Sn(π^-, π^-), (π⁺, π⁺), E ≈ 50-300 MeV; calculated σ(E). ¹²C(π^-, π^-), E ≈ 50-300 MeV; calculated σ(E), σ(reaction), σ(elastic) vs E. Optical potential, quasifree, absorption term decomposition, pionic atom data input.

doi: 10.1016/0375-9474(83)90656-5
Citations: PlumX Metrics

1983SE10      Phys.Rev. C27, 2799 (1983)

R.Seki, K.Masutani

Unified Analysis of Pionic Atoms and Low-Energy Pion-Nucleus Scattering: Phenomenological analysis

NUCLEAR REACTIONS ⁵¹V, ¹²C(π^-, π^-), E < 50 MeV; calculated σ(θ). Unified, phenomenological analysis, effective nuclear density, pion-nucleus optical potentials.

ATOMIC PHYSICS, Mesic-Atoms ⁵¹V, ¹²C; calculated pionic strong interaction shifts, widths. Unified, phenomenological analysis, effective nuclear density.

doi: 10.1103/PhysRevC.27.2799
Citations: PlumX Metrics

1983SE11      Phys.Rev. C27, 2817 (1983)

R.Seki, K.Masutani, K.Yazaki

Unified Analysis of Pionic Atoms and Low-Energy Pion-Nuclear Scattering: Hybrid analysis

NUCLEAR REACTIONS ¹²C, ⁴⁰Ca(π⁺, π⁺), (π^-, π^-), E=30, 40, 50 MeV; ²⁰⁸Pb(π⁺, π⁺), (π^-, π^-), E ≈ 50 MeV; calculated σ(θ); deduced optical potential parameters. Unified, phenomenological analysis, effective nuclear density.

ATOMIC PHYSICS, Mesic-Atoms ¹²C, ⁴⁰Ca, ²⁰⁸Pb; calculated pionic strong interaction shifts, widths.

doi: 10.1103/PhysRevC.27.2817
Citations: PlumX Metrics

1981MA23      Phys.Lett. 104B, 1 (1981)

K.Masutani, K.Yazaki

A Calculation of Pion Absorption Cross Sections

NUCLEAR REACTIONS ¹²C(π⁺, X), E=50-250 MeV; calculated σ(total), σ(reaction), σ(absorption) vs E; Cu(π⁺, X), (π^-, X), E=25-250 MeV; calculated σ(absorption, E); ¹⁶O(π⁺, π⁺), (π⁺, π⁺'), (π⁺, π⁰), (π⁺, π^-), (π⁺, X), E=240 MeV; calculated σ, σ(absorption). Optical potential, absorption after multiple quasifree scattering.

doi: 10.1016/0370-2693(81)90841-8
Citations: PlumX Metrics

1980NA03      Phys.Rev.Lett. 44, 1446 (1980)

K.Nakai, T.Kobayashi, T.Numao, T.A.Shibata, J.Chiba, K.Masutani

Measurements of Cross Sections for Pion Absorption by Nuclei

NUCLEAR REACTIONS Al, Ti, Cu, Sn, Au(π⁺, X), (π^-, X), E=20-280 MeV; measured Eγ, Iγ, γγ-, πγ-, πγγ-coin, γ-multiplicity; deduced pion absorption σ(E). Optical model analysis.

doi: 10.1103/PhysRevLett.44.1446
Citations: PlumX Metrics

1980SE11      Phys.Lett. 97B, 200 (1980)

R.Seki, K.Masutani, M.Oka, K.Yazaki

A Unified Analysis of Pionic Atoms and Low-Energy Pion-Nucleus Scattering

NUCLEAR REACTIONS ¹²C(π⁺, π⁺), E=50 MeV; calculated σ(θ). Modified Kisslinger potential, Pauli blocking effect.

ATOMIC PHYSICS, Mesic-Atoms ¹²C, ¹⁶O, ⁴⁰Ca, ⁹⁰Zr, ²⁰⁸Pb; analyzed pionic interaction shift, width data; deduced modified Kisslinger potential parameters.

doi: 10.1016/0370-2693(80)90582-1
Citations: PlumX Metrics