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NSR database version of April 11, 2024.

Search: Author = M.Yokoyama

Found 8 matches.

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2023AG02      Phys.Lett. B 840, 137843 (2023)

A.Agarwal, H.Budd, J.Capo, P.Chong, G.Christodoulou, M.Danilov, A.Dergacheva, A.De Roeck, N.Dokania, D.Douqa, K.Dugas, S.Fedotov, S.Gwon, R.Howell, K.Iwamoto, C.Jesus-Valls, C.K.Jung, S.P.Kasetti, M.Khabibullin, A.Khotjantsev, T.Kikawa, U.Kose, Y.Kudenko, S.Kuribayashi, T.Kutter, D.Last, L.S.Lin, S.Lin, T.Lux, S.Manly, D.A.Martinez Caicedo, S.Martynenko, T.Matsubara, C.Mauger, K.McFarland, C.McGrew, A.Mefodiev, O.Mineev, T.Nakadaira, E.Noah, A.Olivier, V.Paolone, S.Palestini, A.Paul-Torres, R.Pellegrino, M.A.Ramírez, C.Riccio, J.Rodriguez Rondon, F.Sanchez, D.Sgalaberna, W.Shorrock, A.Sitraka, K.Siyeon, N.Skrobova, S.Suvorov, A.Teklu, M.Tzanov, Y.Uchida, C.Wret, G.Yang, N.Yershov, M.Yokoyama, P.Zilberman

Total neutron cross-section measurement on CH with a novel 3D-projection scintillator detector

NUCLEAR REACTIONS C, H(n, X), E=98-688 MeV; measured reaction products, En, In; deduced total neutron σ in scintillator. The neutron beamline at Los Alamos National Laboratory (LANL).

doi: 10.1016/j.physletb.2023.137843
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2017PI08      Phys.Rev. C 95, 045203 (2017)

E.S.Pinzon Guerra, S.Bhadra, S.Berkman, C.Cao, P.de Perio, Y.Hayato, K.Ieki, M.Ikeda, Y.Kanazawa, J.Kim, P.Kitching, K.Mahn, T.Nakaya, M.Nicholson, K.Olchanski, S.Rettie, H.A.Tanaka, S.Tobayama, M.J.Wilking, T.Yamauchi, S.Yen, M.Yokoyama, for the DUET Collaboration

Measurement of σABS and σCX of π+ on carbon by the Dual Use Experiment at TRIUMF (DUET)

NUCLEAR REACTIONS C(π+, π0) at 201.6-295.5 MeV/c; measured forward-going photons following the decay of π0 produced in a charge-exchange interaction using PIAνO, and CEMBALOS detectors at TRIUMF as DUET Collaboration; deduced absorption σ(E, ABS) and charge exchange σ(E, CX). Covariance matrix analysis for uncertainties. Comparison with previous experiments, and with model predictions from GEANT4, FLUKA, and NEUT

doi: 10.1103/PhysRevC.95.045203
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2015IE01      Phys.Rev. C 92, 035205 (2015)

K.Ieki, E.S.Pinzon Guerra, S.Berkman, S.Bhadra, C.Cao, P.de Perio, Y.Hayato, M.Ikeda, Y.Kanazawa, J.Kim, P.Kitching, K.Mahn, T.Nakaya, M.Nicholson, K.Olchanski, S.Rettie, H.A.Tanaka, S.Tobayama, M.J.Wilking, T.Yamauchi, S.Yen, M.Yokoyama

Measurement of absorption and charge exchange of π+ on carbon

NUCLEAR REACTIONS C(π+, π+), (π+, π+'), (π+, π0), (π+, X), E at 201.6, 216.6, 237.2, 265.5, 295.1 MeV/c; measured particle spectra using time-of-flight (TOF) and Cherenkov detector using DUET setup at TRIUMF; deduced elastic, inelastic, absorption and charge-exchange cross sections. Low-momentum pion interactions. Comparison with previous experimental data, and with GEANT4 and NUET predictions.

doi: 10.1103/PhysRevC.92.035205
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetJ2509.


2001YO12      Prog.Theor.Phys.(Kyoto), Suppl. 142, 325 (2001)

M.Yokoyama

Excitation Modes of Nuclei Far from Stability

NUCLEAR STRUCTURE 16,28O; calculated single-particle energies, particle densities, B(E2) strength distributions. 16,28O, 34Si, 34,40,60,70Ca, 120,176Sn; calculated RPA strength distributions; deduced giant neutron modes in neutron-rich nuclides.

doi: 10.1143/PTPS.142.325
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1996YO01      Nucl.Phys. A599, 367c (1996)

M.Yokoyama, T.Otsuka, N.Fukunishi

Giant Quadrupole Excitation in Nuclei with Neutron Skin

NUCLEAR STRUCTURE 28O; calculated nucleon density profiles, isoscalar quadrupole operator associated B(E2), giant resonance transition densities; deduced neutron excitation associated giant resonances features. Hartree-Fock RPA.

doi: 10.1016/0375-9474(96)00079-6
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1995OT01      Nucl.Phys. A588, 113c (1995)

T.Otsuka, A.Muta, M.Yokoyama, N.Fukunishi, T.Suzuki

Structure of Nuclei Far from Stability

NUCLEAR STRUCTURE 11Be; calculated neutron, proton densities, density profile, photodisintegration E1 strength function related function. 16,28O; calculated E2 strength function related function. 11Li; calculated β-decay matrix element; deduced halo role.

doi: 10.1016/0375-9474(95)00109-E
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1995YO05      Phys.Rev. C52, 1122 (1995)

M.Yokoyama, T.Otsuka, N.Fukunishi

Giant Quadrupole Excitation in Nuclei with Neutron Skin

NUCLEAR STRUCTURE 28O; calculated nucleon density profile, B(E2) smearing, isoscalar giant resonance transition densities. 16,22,24,28O; calculated giant neutron modes B(E2); deduced correlation with neutron skin. Hartree-Fock RPA calculations.

doi: 10.1103/PhysRevC.52.1122
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1994OT04      Phys.Rev. C49, R2289 (1994)

T.Otsuka, M.Ishihara, N.Fukunishi, T.Nakamura, M.Yokoyama

Neutron Halo Effect on Direct Neutron Capture and Photodisintegration

NUCLEAR REACTIONS 12C(n, γ), E < 0.5 MeV; calculated σ(E). 11Be(γ, X), E < 5 MeV; calculated photodisintegration B(E1) energy derivative; deduced neutron halo effect role. 13C level deduced S-factor. Kinematically complete approach.

doi: 10.1103/PhysRevC.49.R2289
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