NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = S.Yokoyama Found 11 matches. 2001TH01 Phys.Rev. C63, 014308 (2001) M.Thoennessen, S.Yokoyama, P.G.Hansen First Evidence for Low Lying s-Wave Strength in 13Be NUCLEAR REACTIONS 9Be(18O, X), E=80 MeV/nucleon; measured n-12Be relative velocity spectra following projectile fragmentation. 13Be deduced low-lying s wave strength, virtual state features. Sequential neutron decay spectroscopy.
doi: 10.1103/PhysRevC.63.014308
1999TH01 Phys.Rev. C59, 111 (1999) M.Thoennessen, S.Yokoyama, A.Azhari, T.Baumann, J.A.Brown, A.Galonsky, P.G.Hansen, J.H.Kelley, R.A.Kryger, E.Ramakrishnan, P.Thirolf Population of 10Li by Fragmentation NUCLEAR REACTIONS 9Be(18O, X)10Li, E=80 MeV/nucleon; measured n-9Li relative velocity spectra. 10Li deduced low-lying s-wave strength.
doi: 10.1103/PhysRevC.59.111
1998AZ01 Phys.Rev. C57, 628 (1998) A.Azhari, T.Baumann, J.A.Brown, M.Hellstrom, J.H.Kelley, R.A.Kryger, D.J.Millener, H.Madani, E.Ramakrishnan, D.E.Russ, T.Suomijarvi, M.Thoennessen, S.Yokoyama Proton Decay of States in 11N NUCLEAR REACTIONS 9Be(12N, 11N), E=40 MeV/nucleon; measured projectile-like fragment decay p(10C)-coin. 11N deduced levels J, π, Γ, proton decay branching ratios.
doi: 10.1103/PhysRevC.57.628
1998BA37 Nucl.Phys. A635, 428 (1998) T.Baumann, E.Ramakrishnan, A.Azhari, J.R.Beene, R.J.Charity, J.F.Dempsey, M.L.Halbert, P.-F.Hua, R.A.Kryger, P.E.Mueller, R.Pfaff, D.G.Sarantites, L.G.Sobotka, D.W.Stracener, M.Thoennessen, G.Van Buren, R.L.Varner, S.Yokoyama Evolution of the Giant Dipole Resonance in Excited 120Sn and 208Pb Nuclei Populated by Inelastic Alpha Scattering NUCLEAR REACTIONS 120Sn(α, α'), E=40, 50 MeV/nucleon; 208Pb(α, α'), E=40 MeV/nucleon; measured Eγ, Iγ, Eα, Iα, αγ-coin. 120Sn, 208Pb deduced GDR width vs temperature, shape effects. Adiabatic coupling model.
doi: 10.1016/S0375-9474(98)00197-3
1996RA15 Nucl.Phys. A599, 49c (1996) E.Ramakrishnan, T.Baumann, A.Azhari, R.A.Kryger, R.Pfaff, M.Thoennessen, S.Yokoyama, J.R.Beene, M.L.Halbert, P.E.Mueller, D.W.Stracener, R.L.Varner, G.Van Buren, R.J.Charity, J.F.Dempsey, P.-F.Hua, D.G.Sarantites, L.G.Sobotka Giant Dipole Resonance in Excited 120Sn and 208Pb Nuclei Populated by Inelastic Alpha Scattering NUCLEAR REACTIONS 120Sn(α, α'), (α, X), E=40, 50 MeV/nucleon; 208Pb(α, α'), (α, X), E=40 MeV/nucleon; measured αγ-coin. 120Sn, 208Pb deduced GDR width vs excitation.
doi: 10.1016/0375-9474(96)00046-2
1996RA20 Phys.Rev.Lett. 76, 2025 (1996) E.Ramakrishnan, T.Baumann, A.Azhari, R.A.Kryger, R.Pfaff, M.Thoennessen, S.Yokoyama, J.R.Beene, M.L.Halbert, P.E.Mueller, D.W.Stracener, R.L.Varner, R.J.Charity, J.F.Dempsey, D.G.Sarantites, L.G.Sobotka Giant Dipole Resonance Built on Highly Excited States of 120Sn Nuclei Populated by Inelastic α Scattering NUCLEAR REACTIONS 120Sn(α, α'), E=40, 50 MeV/nucleon; measured γα-coin. 120Sn deduced GDR built on highly excited states, width.
doi: 10.1103/PhysRevLett.76.2025
1996RA36 Phys.Lett. 383B, 252 (1996) E.Ramakrishnan, A.Azhari, J.R.Beene, R.J.Charity, M.L.Halbert, P.-F.Hua, R.A.Kryger, P.E.Mueller, R.Pfaff, D.G.Sarantites, L.G.Sobotka, M.Thoennessen, G.Van Buren, R.L.Varner, S.Yokoyama Temperature Dependence of the Giant Dipole Resonance Width in 208Pb NUCLEAR REACTIONS 208Pb(α, α'), E=40 MeV/nucleon; measured α-spectra, γγ-coin. 208Pb deduced GDR width temperature dependence.
doi: 10.1016/0370-2693(96)00746-0
1995KR03 Phys.Rev.Lett. 74, 860 (1995) R.A.Kryger, A.Azhari, M.Hellstrom, J.H.Kelley, T.Kubo, R.Pfaff, E.Ramakrishnan, B.M.Sherrill, M.Thoennessen, S.Yokoyama, R.J.Charity, J.Dempsey, A.Kirov, N.Robertson, D.G.Sarantites, L.G.Sobotka, J.A.Winger Two-Proton Emission from the Ground State of 12O RADIOACTIVITY 12O(2p) [from 9Be(13O, 12O), secondary beam from 9Be(16O, X), projectile fragmentation]; measured (2p)(12C)-coin decay energy; deduced 2He emission upper limit, branching ratio.
doi: 10.1103/PhysRevLett.74.860
1995KR24 Nucl.Instrum.Methods Phys.Res. B99, 312 (1995) R.A.Kryger, A.Azhari, M.Hellstrom, J.H.Kelley, T.Kubo, R.Pfaff, E.Ramakrishnan, B.M.Sherrill, M.Thoennessen, S.Yokoyama, R.J.Charity, J.Dempsey, A.Kirov, N.Robertson, D.G.Sarantites, L.G.Sobotka, J.A.Winger Studies of Light Nuclei Beyond the Particle Driplines: The two-proton emitter 12O NUCLEAR REACTIONS 9Be(13O, 12O), E=33.4 MeV/nucleon; measured (10C)(2p)-coin events relative energy, (10C)(2p)(θ) following ejectile breakup; deduced ejectile breakup mechanism related features. 12O deduced no 2He emission evidence.
doi: 10.1016/0168-583X(95)00337-1
1994KR21 Nucl.Instrum.Methods Phys.Res. A346, 544 (1994) R.A.Kryger, A.Azhari, E.Ramakrishnan, M.Thoennessen, S.Yokoyama Efficiency of a BaF2 Scintillator Detector for 15-150 MeV Neutrons
doi: 10.1016/0168-9002(94)90589-4
1993KR09 Phys.Rev. C47, R2439 (1993) R.A.Kryger, A.Azhari, A.Galonsky, J.H.Kelley, R.Pfaff, E.Ramakrishnan, D.Sackett, B.M.Sherrill, M.Thoennessen, J.A.Winger, S.Yokoyama Neutron Decay of 10Li Produced by Fragmentation NUCLEAR REACTIONS C(18O, X), E=80 MeV/nucleon; measured n(9Li)-coin. 10Li deduced level, neutron decay features.
doi: 10.1103/PhysRevC.47.R2439
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