NSR Query Results
Output year order : Descending NSR database version of May 3, 2024. Search: Author = Y.Tokimoto Found 23 matches. 2014AL05 Phys.Rev. C 89, 025809 (2014) T.Al-Abdullah, F.Carstoiu, X.Chen, H.L.Clark, C.A.Gagliardi, Y.-W.Lui, A.Mukhamedzhanov, G.Tabacaru, Y.Tokimoto, L.Trache, R.E.Tribble, Y.Zhai Astrophysical reaction rate for 17F(p, γ)18Ne from the transfer reaction 13C(17O, 18O)12C NUCLEAR REACTIONS 13C(17O, 18O), 12C(18O, 18O), E=12 MeV/nucleon; measured particle spectra using multipole dipole-multipole (MDM) magnetic spectrometer, σ(θ) at Texas A and M facility. 18O; deduced levels, J, asymptotic normalization coefficients (ANCs) of ground state, first two 2+ states and first 4+ state. 17F(p, γ)18Ne, at T9=0.1-1; deduced reaction rates, astrophysical S factor from mirror analogy of states in 18O and 18Ne. Optical model parameters and DWBA analysis. Discussed production of 18F at stellar energies in ONe novae.
doi: 10.1103/PhysRevC.89.025809
2011LU07 Phys.Rev. C 83, 044327 (2011) Y.-W.Lui, D.H.Youngblood, S.Shlomo, X.Chen, Y.Tokimoto, Krishichayan, M.Anders, J.Button Isoscalar giant resonances in 48Ca NUCLEAR REACTIONS 48Ca(α, α'), E=240 MeV; measured Eα, Iα, cross sections, σ(θ) for isoscalar giant resonances. 48Ca; deduced B(E2), B(E3), E0, E1, E2 E3+E4 energy-weighted sum rules (EWSR), isoscalar strength distributions, giant resonances, centroid energies. Comparison with mean-field-based random-phase approximation.
doi: 10.1103/PhysRevC.83.044327
2010AL10 Phys.Rev. C 81, 035802 (2010) T.Al-Abdullah, F.Carstoiu, X.Chen, H.L.Clark, C.Fu, C.A.Gagliardi, Y.-W.Lui, A.Mukhamedzhanov, G.Tabacaru, Y.Tokimoto, L.Trache, R.E.Tribble Stellar reaction rate for 22Mg+p → 23Al from the asymptotic normalization coefficient in the mirror nuclear system 22Ne+n → 23Ne NUCLEAR REACTIONS 13C(12C, 13C), (12C, 12C), E=10.6 MeV/nucleon; 12C(22Ne, 22Ne), (22Ne, 22Ne'), 13C(22Ne, 22Ne), (22Ne, 23Ne), E=12 MeV/nucleon; measured particle spectra, σ and σ(θ); deduced optical model parameters and asymptotic normalization coefficients (ANC). 22Mg(p, γ); deduced direct and resonant capture rates, and effect on the depletion of 22Na in O-Ne Novae.
doi: 10.1103/PhysRevC.81.035802
2010KR01 Phys.Rev. C 81, 014603 (2010) Krishichayan, X.Chen, Y.-W.Lui, Y.Tokimoto, J.Button, D.H.Youngblood Elastic and inelastic scattering to low-lying states of 58Ni and 90Zr using 240-MeV 6Li NUCLEAR REACTIONS 58Ni, 90Zr(6Li, 6Li), (6Li, 6Li'), E=240 MeV; measured particle spectra, σ(θ) using multipole dipole-multipole (MDM) magnetic spectrometer. 58Ni, 90Zr; deduced levels, J, π, B(E2) for first 2+, and B(E3) for first 3- states. Comparison with deformed potential (DP) model and density-dependent double-folding (DDF) calculations using M3Y NN effective interaction and phenomenological Woods-Saxon potential.
doi: 10.1103/PhysRevC.81.014603
2009CH06 Phys.Rev. C 79, 024320 (2009) X.Chen, Y.-W.Lui, H.L.Clark, Y.Tokimoto, D.H.Youngblood Giant resonances in 116Sn from 240 MeV 6Li scattering NUCLEAR REACTIONS 116Sn(6Li, 6Li'), E=240 MeV; measured 6Li spectra, angular distributions, cross sections. 116Sn; deduced energies, widths, energy weighted sum strength distributions for isoscalar E0, E1, E2, E3 giant resonances using double-folding model analysis. DWBA analysis of angular distributions. Comparison with corresponding data from inelastic α scattering.
doi: 10.1103/PhysRevC.79.024320
2009CH33 Phys.Rev. C 80, 014312 (2009) X.Chen, Y.-W.Lui, H.L.Clark, Y.Tokimoto, D.H.Youngblood Giant resonances in 24Mg and 28Si from 240 MeV 6Li scattering NUCLEAR REACTIONS 24Mg, 28Si(6Li, 6Li), (6Li, 6Li'), E=240 MeV; measured particle spectra, σ and σ(θ); deduced optical potential model parameters using two folding model potentials and a Woods-Saxon potential. 24Mg, 28Si; deduced E0, E1, E2 and E3 giant resonance strength distributions, multipole parameters, B(E2) and B(E3) probabilities for first 2+ and 3- states. Comparisons with distorted-wave Born approximation (DWBA) calculations and earlier α scattering and 6Li scattering data.
doi: 10.1103/PhysRevC.80.014312
2007CH76 Phys.Rev. C 76, 054606 (2007) X.Chen, Y.-W.Lui, H.L.Clark, Y.Tokimoto, D.H.Youngblood Folding model analysis of 240 MeV 6Li elastic scattering on 116Sn and inelastic scattering to low-lying states of 116Sn NUCLEAR REACTIONS 116Sn(6Li, 6Li'), E=240 MeV; measured particle spectra, angular distributions, cross sections; deduced B(E2), B(E3). Comparison with 90Zr. 116Sn; deduced J, π. DWBA calculations.
doi: 10.1103/PhysRevC.76.054606
2007CH91 Phys.Rev. C 76, 54606 (2007) X.Chen, Y.W.Lui, H.L.Clark, Y.Tokimoto, D.H.Youngblood Folding model analysis of 240 MeV 6Li elastic scattering on 116Sn and inelastic scattering to low-lying states of 116Sn NUCLEAR REACTIONS 116Sn(6Li, 6Li), 116Sn(6Li, 6Li'), E=240 MeV; measured products, 116Sn; deduced σ(θ). Data were imported from EXFOR entry C1587.
doi: 10.1103/PhysRevC.76.054606
2006LU01 Phys.Rev. C 73, 014314 (2006) Y.-W.Lui, D.H.Youngblood, H.L.Clark, Y.Tokimoto, B.John Isoscalar giant resonances for nuclei with mass between 56 and 60 NUCLEAR REACTIONS 56Fe, 60Ni(α, α'), E=240 MeV; measured Eα, σ(θ). 58Ni(α, α'), E=240 MeV; analyzed Eα, σ(θ). 56Fe, 58,60Ni deduced isoscalar strength distributions, giant resonance parameters.
doi: 10.1103/PhysRevC.73.014314
2006TO10 Phys.Rev. C 74, 044308 (2006) Y.Tokimoto, Y.-W.Lui, H.L.Clark, B.John, X.Chen, D.H.Youngblood Giant resonances in 46, 48Ti NUCLEAR REACTIONS 46,48Ti(α, α'), E=240 MeV; measured Eα, σ(E, θ). 46,48Ti deduced isoscalar monopole, dipole, and quadrupole strength distributions, resonance features.
doi: 10.1103/PhysRevC.74.044308
2005LU06 Acta Phys.Pol. B36, 1107 (2005) Y.-W.Lui, D.H.Youngblood, H.L.Clark, Y.Tokimoto, B.John Giant monopole resonance in Cd and Sn isotopes NUCLEAR REACTIONS 110,116Cd, 112,124Sn(α, α'), E=240 MeV; measured Eα, σ(θ). 110,116Cd, 112,124Sn deduced electric monopole strength distributions, resonance parameters. Comparison with model predictions.
2004LU04 Nucl.Phys. A731, 28 (2004) Y.-W.Lui, X.Chen, H.L.Clark, B.John, Y.Tokimoto, D.H.Youngblood Isoscalar giant dipole resonance for several nuclei with A ≥ 90 NUCLEAR REACTIONS 90Zr, 144Sm, 208Pb(α, α'), E=240 MeV; measured Eα, Iα, σ(θ). 90Zr, 144Sm, 208Pb deduced isoscalar GDR strength functions, related features.
doi: 10.1016/j.nuclphysa.2003.11.016
2004LU05 Phys.Rev. C 69, 034611 (2004) Y.-W.Lui, D.H.Youngblood, Y.Tokimoto, H.L.Clark, B.John Isoscalar multipole strength in 110Cd and 116Cd NUCLEAR REACTIONS 110,116Cd(α, α'), E=240 MeV; measured Eα, σ(E, θ). 110,116Cd deduced giant resonance features, multipole strength distributions.
doi: 10.1103/PhysRevC.69.034611
2004LU14 Phys.Rev. C 70, 014307 (2004) Y.-W.Lui, D.H.Youngblood, Y.Tokimoto, H.L.Clark, B.John Giant resonances in 112Sn and 124Sn: Isotopic dependence of monopole resonance energies NUCLEAR REACTIONS 112,124Sn(α, α'), E=240 MeV; measured Eα, σ(E, θ). 112,124Sn deduced isoscalar giant resonance strength distributions. Comparison with model predictions.
doi: 10.1103/PhysRevC.70.014307
2004YO02 Phys.Rev. C 69, 034315 (2004) D.H.Youngblood, Y.-W.Lui, H.L.Clark, B.John, Y.Tokimoto, X.Chen Isoscalar E0 - E3 strength in 116Sn, 144Sm, 154Sm, and 208Pb NUCLEAR REACTIONS 116Sn, 144,154Sm, 208Pb(α, α'), E=240 MeV; measured Eα, σ(E, θ). 116Sn, 144,154Sm, 208Pb deduced giant resonance energies, widths, isoscalar strength distributions.
doi: 10.1103/PhysRevC.69.034315
2004YO05 Phys.Rev. C 69, 054312 (2004) D.H.Youngblood, Y.-W.Lui, B.John, Y.Tokimoto, H.L.Clark, X.Chen Compression mode resonances in 90Zr NUCLEAR REACTIONS 90Zr(α, α'), E=240 MeV; measured Eα, σ(E, θ). 90Zr deduced isoscalar giant resonance energies, widths.
doi: 10.1103/PhysRevC.69.054312
2003JO07 Phys.Rev. C 68, 014305 (2003) B.John, Y.Tokimoto, Y.-W.Lui, H.L.Clark, X.Chen, D.H.Youngblood Isoscalar electric multipole strength in 12C NUCLEAR REACTIONS 12C(α, α), (α, α'), E=240 MeV; measured Eα, σ(θ), σ(E, θ). 12C deduced transitions B(EL), energy-weighted sum rules. Folding model analysis.
doi: 10.1103/PhysRevC.68.014305
2003YO11 Phys.Rev. C 68, 057303 (2003) D.H.Youngblood, Y.-W.Lui, H.L.Clark, Y.Tokimoto, B.John Isoscalar E0 strength between 6 and 11 MeV in 40Ca NUCLEAR REACTIONS 40Ca(α, α'), E=240 MeV; measured Eα, σ(θ). 40Ca deduced isoscalar E0 strength distribution.
doi: 10.1103/PhysRevC.68.057303
2001TO07 Phys.Rev. C63, 035801 (2001) Y.Tokimoto, H.Utsunomiya, T.Yamagata, M.Ohta, Y.-W.Lui, R.P.Schmitt, S.Typel, Y.Aoki, K.Ieki, K.Katori Coulomb Breakup of 7Li for Nuclear Astrophysics NUCLEAR REACTIONS 27Al, 58Ni, 64Zn, 90Zr, 120Sn, 144Sm, 169Tm, 197Au, 208Pb(7Li, tα), E=42 MeV; measured triton, α spectra, σ(θ) following resonant and nonresonant Coulomb breakup; deduced postacceleration effect. 3H(α, γ), E(cm) ≈ 0.05-0.8 MeV; deduced astrophysical S factors.
doi: 10.1103/PhysRevC.63.035801
1999UT03 Nucl.Phys. (Supplement) A654, 928c (1999) H.Utsunomiya, Y.Tokimoto, T.Yamagata, M.Ohta, Y.Aoki, K.Hirota, K.Ieki, Y.Iwata, K.Katori, S.Hamada, Y.-W.Lui, R.P.Schmitt, S.Typel, G.Baur Excitation of Continuum States in 7Li and Their Decay by Quantum Tunneling NUCLEAR REACTIONS 27Al, 58Ni, 64Zn, 90Zr, 120Sn, 144Sm, 197Au(7Li, tα), E=42 MeV; measured particle spectra, forward-backward asymmetry; deduced E1, E2, higher-order effects in Coulomb breakup.
doi: 10.1016/S0375-9474(00)88575-9
1998UT01 Phys.Lett. 416B, 43 (1998) H.Utsunomiya, Y.Tokimoto, H.Mabuchi, K.Osada, T.Yamagata, M.Ohta, Y.Aoki, K.Hirota, K.Ieki, Y.Iwata, K.Katori, S.Hamada, Y.-W.Lui, R.P.Schmitt Strongly-Suppressed Post-Coulomb Acceleration in Non-Resonant Breakup of 7Li NUCLEAR REACTIONS 27Al, 58Ni, 90Zr, 120Sn, 144Sm, 197Au(7Li, tα), E=42 MeV; measured tα-coin, σ(θ, Et, Eα); deduced no evidence for fragment post-acceleration. Non-resonant breakup, Coulomb dissociation, astrophysical implications.
doi: 10.1016/S0370-2693(97)01328-2
1998UT03 Nucl.Instrum.Methods Phys.Res. A402, 417 (1998) H.Utsunomiya, Y.Tokimoto, K.Osada, T.Yamagata, M.Ohta, Y.Aoki, K.Hirota, K.Ieki, Y.Iwata, K.Katori, S.Hamada, Y.-W.Lui, R.P.Schmitt Method of Coulomb Breakup Probing Primordial 7Li Synthesis NUCLEAR REACTIONS 90Zr(7Li, tα), E=42 MeV; measured t-, α-spectra, tα-coin; deduced astrophysical S-factors. Comparison with direct capture data.
doi: 10.1016/S0168-9002(97)00883-8
1998UT04 J.Phys.(London) G24, 1637 (1998) H.Utsunomiya, Y.Tokimoto, K.Osada, T.Yamagata, M.Ohta, Y.Aoki, K.Hirota, K.Ieki, Y.Iwata, K.Katori, S.Hamada, Y.-W.Lui, R.P.Schmitt Astrophysical Implications of Non-Resonant Break-Up of 7Li NUCLEAR REACTIONS 90Zr, 197Au(7Li, tα), E not given; analyzed nonresonant breakup data; deduced role of post-Coulomb acceleration.
doi: 10.1088/0954-3899/24/8/044
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