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NSR database version of April 11, 2024.

Search: Author = Y.Umemoto

Found 8 matches.

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2007MI49      Hyperfine Interactions 178, 73 (2007)

M.Mihara, K.Matsuta, S.Kumashiro, M.Fukuda, S.Kosakai, Y.Umemoto, M.Yoshikawa, R.Matsumiya, D.Nishimura, J.Komurasaki, D.Ishikawa, M.Ogura, H.Akai, T.Minamisono

Temperature dependence of Knight shifts for 12B in Pt

NUCLEAR MOMENTS 12B(β-); measured β-assymetry for spin polarized nuclei implanted in Pt foil using the β-NMR method.

doi: 10.1007/s10751-008-9660-6
Citations: PlumX Metrics


2001UM01      Nucl.Phys. A679, 549 (2001)

Y.Umemoto, S.Hirenzaki, K.Kume, H.Toki, I.Tahihata

Deeply Bound Pionic Atoms on β-Unstable Nuclei

NUCLEAR REACTIONS 2H(142Nd, 3He), (130Cd, 3He), (136Xe, 3He), (148Dy, 3He), (154Hf, 3He), E=250 MeV/nucleon; calculated pionic atom formation associated σ(E).

ATOMIC PHYSICS, Mesic-atoms 129Cd, 135Xe, 141Nd, 147Dy, 153Hf; calculated pionic states energies.

doi: 10.1016/S0375-9474(00)00354-7
Citations: PlumX Metrics


2000HI05      Nucl.Phys. A663-664, 553c (2000)

S.Hirenzaki, T.Hatsuda, K.Kume, T.Kunihiro, H.Nagahiro, Y.Okumura, E.Oset, A.Ramos, H.Toki, Y.Umemoto

Physics of Mesic Atoms and Mesic Nuclei -Structure and Formation-

NUCLEAR REACTIONS 116Sn(d, 3He), E=500 MeV; calculated σ(E). 40Ca(K-, γ), E=10 MeV; calculated Eγ, Iγ. Formation of deeply bound pionic states discussed.

ATOMIC PHYSICS, Mesic-atoms Z=5-40; calculated kaonic atoms energy shifts, widths. Comparison with data.

NUCLEAR STRUCTURE Pb; calculated mesic nucleus energy levels.

doi: 10.1016/S0375-9474(99)00654-5
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2000UM02      Prog.Theor.Phys.(Kyoto) 103, 337 (2000)

Y.Umemoto, S.Hirenzaki, K.Kume, H.Toki

Formation of Deeply Bound 1s Pionic States of Intermediate Mass Nuclei in (d, 3He) Reactions

NUCLEAR REACTIONS 112Cd, 116Sn(d, 3HeX), E=500 MeV; 136Xe(d, 3HeX), E=500, 600 MeV; calculated deeply bound pionic states production σ.

doi: 10.1143/PTP.103.337
Citations: PlumX Metrics


2000UM03      Phys.Rev. C62, 024606 (2000)

Y.Umemoto, S.Hirenzaki, K.Kume, H.Toki

Isotope Dependence of Deeply Bound Pionic States in Sn and Pb

NUCLEAR REACTIONS 112,116,120,124Sn(d, 3He), E=500 MeV; 204,206,208Pb(d, 3He), E=600 MeV; calculated σ(E, θ), pionic states contributions; deduced isotope dependence features.

doi: 10.1103/PhysRevC.62.024606
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1999HI08      Phys.Rev. C60, 058202 (1999)

S.Hirenzaki, H.Kaneyasu, K.Kume, H.Toki, Y.Umemoto

Residual Interaction Effects on Deeply Bound Pionic States

NUCLEAR STRUCTURE 207Pb; calculated deeply bound pionic states wave functions; deduced residual interaction effects.

NUCLEAR REACTIONS 208Pb(d, 3He), E=600 MeV; calculated σ(E, θ); deduced pion-nucleon residual interaction effects.

doi: 10.1103/PhysRevC.60.058202
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1999UM01      Prog.Theor.Phys.(Kyoto) 101, 627 (1999)

Y.Umemoto, S.Hirenzaki, K.Kume

Photon Absorption on a Neutron-Proton Pair in 3He and 4He

NUCLEAR REACTIONS 3He(γ, np), E=165, 245, 325, 405 MeV; calculated σ, σ(θ), σ(E, θ). 4He(γ, np), E=30-500 MeV; calculated σ. Phenomenological quasi-deuteron model. Comparison with data.

doi: 10.1143/PTP.101.627
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1997KU10      Phys.Rev. C55, 2866 (1997)

K.Kume, K.Sato, Y.Umemoto

Calculation of Excited-State Properties with an Auxiliary-Field Monte Carlo Method

doi: 10.1103/PhysRevC.55.2866
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