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NSR database version of April 24, 2024.

Search: Author = Y.Tokimoto

Found 23 matches.

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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2090. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1845. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1792.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1782.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1687. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1720. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1587. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1439.

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, 48}Ti

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1507.

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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1107.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1108.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1104.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1114.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1109.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1105.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1748.

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
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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
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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
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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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