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NSR database version of May 20, 2024.

Search: Author = Y.Hirabayashi

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2023HA18      Phys.Rev. C 107, 054611 (2023)

T.Harada, Y.Hirabayashi

Production spectra with a Σ- hyperon in (π-, K+) reactions on light to heavy nuclei

NUCLEAR REACTIONS 12C, 28Si, 58Ni, 115In, 209Bi(π-, K+X), E at 1.2 GeV/c; calculated σ(θ), inclusive Σ- production spectra, angular distribution. 12C(π-, π-), E at 800, 995 MeV/c; 12C(K+, K+), E at 715, 800 MeV/c; calculated elastic scattering σ(θ). Calculations the framework of the distorted-wave impulse approximation (DWIA) with the optimal Fermi averaging (OFA) for the elementary t matrix. Comparison to KEK-E438 experimental data (2004SA56).

doi: 10.1103/PhysRevC.107.054611
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2023OH01      Phys.Rev. C 107, 034317 (2023)

S.Ohkubo, Y.Hirabayashi

α + 92Zr cluster structure in 96Mo

NUCLEAR REACTIONS 90,91,92,94Zr(α, α), E=21-120 MeV; calcu92Zr(α, α), E=10-25 MeV; calculated phase shifts. Double folding model. Comparison to experimental data.

NUCLEAR STRUCTURE 96Mo; calculated levels, J, π, B(E2), rms radii. Calculations are based on α+92Zr cluster model with the double folding potential. Discussed the effect of α clustering in 96Mo on half-life of 96Zr 0νββ-decay. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.034317
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2022HA20      Phys.Rev. C 105, 064606 (2022)

T.Harada, Y.Hirabayashi

Extended optimal Fermi averaging for near-recoilless Λ production in the (K-, π- reaction on nuclei

NUCLEAR REACTIONS 12C(K-, π-), p=800 MeV/c; calculated σ(θ) of the 12C hypernuclei production, meson absorption factor. Extended the optimal Fermi averaging procedure in the framework of a distorted-wave impulse approximation (DIA), taking into account the local momentum transfer generated by semiclassical distorted waves. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.064606
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2021HA09      Phys.Rev. C 103, 024605 (2021)

T.Harada, Y.Hirabayashi

Ξ-nucleus potential for Ξ- quasifree production in the 9Be(K-, K+) reaction

NUCLEAR REACTIONS 9Be(K-, K+), E=1.8 GeV/c; calculated differential σ in the Woods-Saxon potential, binding energies and widths of the Ξ--nucleus bound states, production of Ξ- spectrum. Distorted-wave impulse approximation (DWIA) using the optimal Fermi-averaged amplitude. Comparison with results of BNL-E906 experiment.

doi: 10.1103/PhysRevC.103.024605
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2021HA39      Nucl.Phys. A1015, 122301 (2021)

T.Harada, Y.Hirabayashi

Production cross sections of 3, 4ΛH bound states in 3, 4He(K-, π0) reactions at 1 GeV/c

NUCLEAR REACTIONS 3,4He(K-, π0), E ∼ 1 GeV; analyzed available data. 3,4H; calculated hypernuclei σ, σ(θ).

doi: 10.1016/j.nuclphysa.2021.122301
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2021HI14      Prog.Theor.Exp.Phys. 2021, 113D02 (2021)

Y.Hirabayashi, S.Ohkubo

Existence of core excited 8Be* = α + α8 cluster structure in α + α scattering

NUCLEAR STRUCTURE 8Be; analyzed available data; deduced α+α cluster structure at the highly excited energy using the coupled-channel calculations.

doi: 10.1093/ptep/ptab126
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2020HA26      Phys.Rev. C 102, 024618 (2020)

T.Harada, Y.Hirabayashi

Medium effects on Ξ- production in the nuclear (K-, K+) reaction

NUCLEAR REACTIONS 1H(K-, K+Ξ-), E(cm)=1.948, 1.966, 2.069, 2.110, 2.134, 2.235, 2.276, 2.331, 2.420 GeV; calculated differential σ(θ, E), total σ(E), dependence of incident K--momentum on σ(θ, E) and compared with experimental data; deduced strong energy and angular dependencies of the in-medium 1H(K-, K+Ξ-) production cross section. DWIA calculations using the optimal Fermi-averaging procedure. 12C(K-, K+), at momentum of 1.8 GeV/c; calculated quasi-fission production σ(E) for Ξ- in the Fermi gas model.

doi: 10.1103/PhysRevC.102.024618
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2019HA27      Phys.Rev. C 100, 024605 (2019)

T.Harada, Y.Hirabayashi

Production of a 4ΛHe hypernucleus in the 4He(π, K) reactions reexamined

NUCLEAR REACTIONS 4He(π, K), E =1.05 GeV/nucleon; calculatedσ of the 0+ ground state of 4He hypernucleus with a distorted-wave impulse approximation using the optimal Fermi-averaged matrix.

doi: 10.1103/PhysRevC.100.024605
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2018HA11      Phys.Rev. C 97, 024601 (2018)

T.Harada, R.Honda, Y.Hirabayashi

Repulsion and absorption of the Σ-nucleus potential for Σ--5He in the 6Li(π-, K+) reaction

NUCLEAR REACTIONS 6Li(π-, K+), at momentum=1.2 GeV/c; calculated σ(θ), shapes and magnitude of spectra within the distorted wave impulse approximation (DWIA) and compared with data from J-PARC E10 experiment; deduced property of the Σ-nucleus potential for Σ--5He, repulsive and absorptive components.

doi: 10.1103/PhysRevC.97.024601
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2017HA14      Phys.Rev. C 95, 044610 (2017)

T.Harada, Y.Hirabayashi

Production of a neutron-rich 6ΛH hypernucleus in the 6Li(π-, K+) reaction

NUCLEAR REACTIONS 6Li(π-, K+) at 1.2 GeV/c; analyzed production cross section and missing mass spectra of neutron-rich 6H hypernucleus using distorted-wave impulse approximation in one-step mechanism, and evaluated by a coupled (5H, Λ)+(5He, ∑-) model with a spreading potential, and compared with data of the missing mass spectrum in the J-PARC E10 experiment; deduced important information on the Λ∑ coupling in the production mechanism, and the nuclear structure of 1+ excited state of 6H hypernucleus.

doi: 10.1103/PhysRevC.95.044610
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2017OH04      Phys.Rev. C 96, 024607 (2017)

S.Ohkubo, Y.Hirabayashi, A.A.Ogloblin

Existence of inelastic supernumerary nuclear rainbow in 16O + 12C scattering

NUCLEAR REACTIONS 12C(16O, 16O), (16O, 16O'), (16O, 12C), E=124, 170, 180, 181, 200 MeV; analyzed σ(θ, E) data using coupled channels method with an extended double folding potential, and wavefunctions for 12C and 16O from microscopic α cluster model and a finite-range density-dependent nucleon-nucleon force; deduced positions of the Airy and A1 minima, and existence of a supernumerary bow in inelastic scattering. Comparison with pattern of meteorological rainbows.

doi: 10.1103/PhysRevC.96.024607
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2016IC01      Phys.Rev. C 93, 064612 (2016)

D.Ichinkhorloo, M.Aikawa, S.Chiba, Y.Hirabayashi, K.Kato

Low energy scattering cross sections for n + 6, 7Li reactions using the continuum-discretized coupled-channels method

NUCLEAR REACTIONS 6,7Li(n, n), (n, n'), E=1-24 MeV; calculated elastic and inelastic scattering σ(E, θ) using n+(α+d) and n+(α+t) cluster models, continuum-discretized coupled-channel (CDCC) method with the JLM effective nucleon-nucleon interaction. Comparison with experimental and evaluated data.

doi: 10.1103/PhysRevC.93.064612
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2016OH04      Phys.Rev. C 94, 034601 (2016)

S.Ohkubo, Y.Hirabayashi

Evidence for a dynamically refracted primary bow in weakly bound 9Be rainbow scattering from 16O

NUCLEAR REACTIONS 16O(9Be, 9Be), E=74.25, 157.7 MeV; calculated σ(θ) in a single channel, σ(θ) with coupling to the 5/2- and 7/2- states in 9Be, energy evolution of the Airy minima for E(9Be)=74.25, 90.0, 112.5, 135.0, 17.7 MeV; deduced evidence for the existence of a primary bow refracted dynamically by coupling to the excited states of a weakly bound 9Be nucleus. Coupled channel (CC) method with an extended double folding (EDF) model. Comparison with experimental data for E(9Be)=74.25 and 157.7 MeV.

doi: 10.1103/PhysRevC.94.034601
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2015HA06      Nucl.Phys. A934, 8 (2015)

T.Harada, Y.Hirabayashi

Continuum ppΛ spectrum of the 3He(K-, π- reaction with continuum discretized coupled channels

NUCLEAR REACTIONS 3He(Λ-, π-)ppΛ, E at 870 MeV/c; calculated π- inclusive spectra from hypernucleus decay, spectroscopic 2p factor using DWIA within CDCC. Compared with data.

doi: 10.1016/j.nuclphysa.2014.11.007
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2015HA29      Phys.Lett. B 740, 312 (2015)

T.Harada, Y.Hirabayashi

P-wave resonant state of the 4ΣHehypernucleus in the 4He(K-, π-) reaction

NUCLEAR REACTIONS 4He(K-, π-), E=1.5 GeV; calculated inclusive and Σ-Λ conversion π- spectra, effects of the potential strengths on the p-wave resonant state using the Green's function method in a distorted-wave impulse approximation. Comparison with available data.

doi: 10.1016/j.physletb.2014.11.057
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2015MA12      Phys.Rev. C 91, 024616 (2015)

R.S.Mackintosh, Y.Hirabayashi, S.Ohkubo

Emergence of a secondary rainbow and the dynamical polarization potential for 16O on 12C at 330 MeV

NUCLEAR REACTIONS 12C(16O, 16O), E≈300 MeV; analyzed dynamic polarization potential (DPP) and secondary rainbow effect using S-matrix to potential, SL to V(r) inversion, and coupled channel calculations; deduced effect of direct coupling between the collective states of 12C and 16O. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.024616
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2015OH01      Phys.Rev. C 92, 024624 (2015)

S.Ohkubo, Y.Hirabayashi

Airy structure in 16O + 14C nuclear rainbow scattering

NUCLEAR REACTIONS 14C(16O, 16O), E=116, 132, 158, 160, 180, 200, 220, 240, 260, 281, 382.2 MeV; calculated σ(θ, E); deduced energy evolution of the Airy structure of nuclear rainbow and σ(θ) distribution, Airy minima using extended double-folding (EDF) model. Comparison with experimental data.

doi: 10.1103/PhysRevC.92.024624
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2015OH02      Phys.Rev. C 92, 051601 (2015)

S.Ohkubo, Y.Hirabayashi, A.A.Ogloblin

Further evidence for a dynamically generated secondary bow in 13C + 12C rainbow scattering

NUCLEAR REACTIONS 12C(13C, 13C'), E=200, 250, 260, 330 MeV; 12C(16O, 16O'), E=330 MeV; calculated σ(θ) distributions with coupling to first 2+ and 3- states in 12C and 16O, energy evolution of the Airy structure in σ(θ, E) distributions in 13C+12C reaction; deduced existence of a secondary bow in nuclear rainbow scattering. Coupled channels (CC) method with extended double-folding (EDF) model. Comparison with experimental data.

doi: 10.1103/PhysRevC.92.051601
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2014HA14      Phys.Rev. C 89, 054603 (2014)

T.Harada, Y.Hirabayashi

Σ NN quasibound states in 3He (K-, π±) reactions at 600 MeV/c

NUCLEAR REACTIONS 3He(K-, π+), (K-, π-), E at 600 MeV/c; calculated hypernuclear final states, threshold masses, isospin-spin spectroscopic factors and averaged matrix elements, averaged σ(E), inclusive and semiexclusive π+, π- spectra, production amplitudes for (K-, π±) reactions on isospin ΣNN states. 3He, 3n; calculated hypernuclear quasibound states, width, pole-state probabilities. 3H, 4,5He; calculated binding energies and Σ mixing of hypernuclei. Distorted-wave impulse approximation (DWIA) and coupled-channel framework. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.054603
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2014OH01      Phys.Rev. C 89, 051601 (2014)

S.Ohkubo, Y.Hirabayashi

Evidence for a secondary bow in Newton's zero-order nuclear rainbow

NUCLEAR REACTIONS 16O(12C, 12C), E=200-608 MeV; analyzed experimental σ(θ) data by coupled-channel (CC) method, and by extended double folding (EDF) potential using realistic wave functions for 16O and 12C; deduced evidence for a secondary bow in Newton's zero-order nuclear rainbow scattering. Airy minimum. Discussed contribution of transfer reaction channels.

doi: 10.1103/PhysRevC.89.051601
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2014OH02      Phys.Rev. C 89, 061601 (2014)

S.Ohkubo, Y.Hirabayashi

Similarity between nuclear rainbow and meteorological rainbow: Evidence for nuclear ripples

NUCLEAR REACTIONS 12C(16O, 16O), E=115.9 MeV; analyzed elastic σ(θ) distribution using coupled channels method with a double folding model derived from a density-dependent effective nucleon-nucleon force, and coupling to excited states of 12C and 16O; deduced evidence for nuclear ripples superimposed on the Airy structure of the nuclear rainbow; described similar mechanism in nuclear and meteorological rainbow.

doi: 10.1103/PhysRevC.89.061601
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2014OH04      Phys.Rev. C 90, 064617 (2014)

S.Ohkubo, Y.Hirabayashi, A.A.Ogloblin, Yu.A.Gloukhov, A.S.Dem'yanova, W.H.Trzaska

Refractive effects and Airy structure in inelastic 16O + 12C rainbow scattering

NUCLEAR REACTIONS 12C(16O, 16O)(16O, 16O'), E=170, 181, 200, 260, 281 MeV; measured particle spectra, σ(E, θ) Jyvaskyla University cyclotron facility; analyzed by coupled-channels method using an extended double folding (EDF) model, and taking into account g.s., first 2+ and 3- states of 12C and 16O; 12C(16O, 16O), (16O, 16O'), E=200, 330, 350, 400, 450, 500, 608 MeV; calculated σ(E, θ) distributions for elastic scattering and inelastic scattering to the first 2+ state in 12C. Comparison with available experimental data; deduced Airy minima in elastic scattering and in inelastic (rainbow) scattering to the first 2+ state of 12C.

doi: 10.1103/PhysRevC.90.064617
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2013HA01      Phys.Rev. C 87, 024311 (2013)

Sh.Hamada, Y.Hirabayashi, N.Burtebayev, S.Ohkubo

Observation of an Airy minimum in elastic and inelastic scattering of 3He from 12C at 50.5 and 60 MeV, and α-particle condensation in 12C

NUCLEAR REACTIONS 12C(3He, 3He), (3He, 3He'), E=50.5, 60 MeV;measured particle spectra, energy loss, σ(θ, E) for Hoyle state and other levels. 12C; deduced levels, angular position of Airy minimum A1. Hoyle state interpreted as three α-particle condensate with dilute density. Coupled-channel analysis with double folding model.

doi: 10.1103/PhysRevC.87.024311
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0711. Data from this article have been entered in the XUNDL database. For more information, click here.

2013HA26      Nucl.Phys. A914, 85c (2013)

T.Harada, Y.Hirabayashi, A.Umeya

Hypernuclear ΛΛ production by (K-, K+) reactions and the ΛΛΞ mixing in hypernuclei

doi: 10.1016/j.nuclphysa.2013.01.020
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2013HI06      Phys.Rev. C 88, 014314 (2013)

Y.Hirabayashi, S.Ohkubo

Unification of Airy structure in inelastic α+16O scattering and α-cluster structure with core excitation in 20Ne

NUCLEAR REACTIONS 16O(α, α'), E=40.5, 50, 80.7, 146 MeV; calculated σ(θ, E). 16O(α, α), E=20.75, 23.7, 24.28, 25.2, 30.3, 40.5, 48.7, 50, 54.1, 69.5, 80.7, 146 MeV; calculated σ(θ, E). Coupled channel method using a microscopic double folding model. 20Ne; calculated levels, J, π, Kπ; deduced α cluster structure. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.014314
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2012HA27      Phys.Rev. C 86, 014606 (2012)

T.Harada, Y.Hirabayashi

Angular distributions of elastic scattering of Σ- hyperons from nuclei and the Σ-nucleus potentials

NUCLEAR REACTIONS 28Si, 208Pb(Σ-, Σ-), E=50 MeV; calculated Σ-nucleus potentials, σ(θ) using DD-A', LDA-NF, and DD-OBE optical potential models. Radial distribution of the Σ--nucleus potentials. Discussed Σ- atomic x-ray data, (π-, K+) and (K-, π+) spectra.

doi: 10.1103/PhysRevC.86.014606
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2012IC05      Phys.Rev. C 86, 064604 (2012)

D.Ichinkhorloo, Y.Hirabayashi, K.Kato, M.Aikawa, T.Matsumoto, S.Chiba

Analysis of 7Li(n, n')7Li reactions using the continuum-discretized coupled-channels method

NUCLEAR REACTIONS 7Li(n, n), (n, n')7Li*, E=11.5-24.0 MeV; calculated σ(θ, E) for elastic and inelastic channels, neutron spectra in terms of double-differential σ(E, θ). Continuum-discretized coupled-channels (CDCC) method, α+t cluster model. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.064604
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2011IC05      J.Nucl.Sci.Technol.(Tokyo) 48, 1357 (2011)

D.Ichinkhorloo, T.Matsumoto, Y.Hirabayashi, K.Kato, S.Chiba

Analysis of n + 6Li Reactions Using the Continuum-Discretized Coupled-Channels Method

NUCLEAR REACTIONS 6Li(n, n'), E=11.5, 14.1, 18 MeV; calculated σ(θ), σ(θ, E); deduced neutron spectra. Continuum-discretized coupled-channels (CDCC) approach.

doi: 10.3327/jnst.48.1357
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2011MA40      Phys.Rev. C 83, 064611 (2011)

T.Matsumoto, D.Ichinkhorloo, Y.Hirabayashi, K.Kato, S.Chiba

Systematic description of the 6Li(n, n')6Li* → d + α reactions with the microscopic coupled-channels method

NUCLEAR REACTIONS 6Li(n, n), (n, n'), E=7.47-24.0 MeV; calculated elastic and inelastic σ(θ), neutron spectra using the continuum-discretized coupled-channels method with the Jeukenne-Lejeune-Mahaux effective nucleon-nucleon interaction, and α+d cluster model for 6Li. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.064611
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2011OH01      Int.J.Mod.Phys. E20, 880 (2011)

S.Ohkubo, Y.Hirabayashi

Alpha-Particle condensation in 16O

NUCLEAR STRUCTURE 16O; calculated energies, J, π for K bands states; deduced α+12C(0+2) cluster structure.

doi: 10.1142/S0218301311018885
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2009HA03      Phys.Rev. C 79, 014603 (2009)

T.Harada, A.Umeya, Y.Hirabayashi

Feasibility of extracting a Σ- admixture probability in the neutron-rich 10ΛLi hypernucleus

NUCLEAR REACTIONS 10B(π-, K+)10Li, E=1.20 GeV/c; calculated particle spectra, σ(θ) for hypernuclei. Distorted wave impulse approximation.

doi: 10.1103/PhysRevC.79.014603
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2009HA39      Nucl.Phys. A829, 100 (2009)

T.Harada, Y.Hirabayashi

Coulomb-assisted Σ--nucleus bound states in the (K-, π+) reaction

NUCLEAR REACTIONS 28Si, 58Ni, 208Pb(K-, π+), E at 0-1500 MeV/c; calculated σ, σ(θ), related features for hypernuclei formation using distorted-wave impulse approximation.

NUCLEAR STRUCTURE 28Mg, 58Fe, 208Hg; calculated binding energies, widths of bound states for kaonic hypernuclei.

doi: 10.1016/j.nuclphysa.2009.08.005
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2008OH03      Phys.Rev. C 77, 041303 (2008)

S.Ohkubo, Y.Hirabayashi

Evidence for higher nodal band states with 3He cluster structure in 19Ne and prerainbows in 3He+16O scattering

NUCLEAR REACTIONS 16O(3He, X), E=15, 25, 32, 40.9, 60 MeV; calculated σ, angular distributions, central double folding potential, phase shifts. 19Ne; systematics of 3He cluster states. Comparison with experimental data, cluster structure with 3,4He, 16O.

doi: 10.1103/PhysRevC.77.041303
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2007OH01      Phys.Rev. C 75, 044609 (2007)

S.Ohkubo, Y.Hirabayashi

Evidence for strong refraction of 3He in an α-particle condensate

NUCLEAR REACTIONS 12C(3He, 3He), (3He, 3He'), E=34.7, 72 MeV; analyzed σ(E, θ). 12C deduced α-particle condensate.

doi: 10.1103/PhysRevC.75.044609
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2006HA10      Nucl.Phys. A767, 206 (2006)

T.Harada, Y.Hirabayashi

Σ- production spectrum in the inclusive (π-, K+) reaction on 209Bi and the Σ-nucleus potential

NUCLEAR REACTIONS 209Bi(π-, K+), E at 1.2 GeV/c; analyzed hypernucleus production associated kaon spectra, σ(θ); deduced Σ--nucleus potential features. Comparison with hyperonic-atom data.

doi: 10.1016/j.nuclphysa.2005.12.018
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2005HA43      Nucl.Phys. A759, 143 (2005)

T.Harada, Y.Hirabayashi

Is the Σ-nucleus potential for Σ- atoms consistent with the 28Si(π-, K+) data?

NUCLEAR REACTIONS 28Si(π-, K+), E at 1.2 GeV/c; analyzed hypernucleus production associated kaon spectra, σ(θ); deduced Σ--nucleus potential features. Comparison with hyperonic-atom data.

doi: 10.1016/j.nuclphysa.2005.04.025
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2004HA48      Nucl.Phys. A744, 323 (2004)

T.Harada, Y.Hirabayashi

Optimal Fermi-averaging for the π+ + n → K+ + Λ t-matrix in Λ-hypernuclear production from (π+, K+") reactions

NUCLEAR REACTIONS 12C, 28Si(π+, K+), E at 1.05, 1.20, 1.35 GeV/c; calculated σ(E, θ). Fermi-averaged t-matrix, comparison with data.

doi: 10.1016/j.nuclphysa.2004.09.003
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2004OH13      Phys.Rev. C 70, 041602 (2004)

S.Ohkubo, Y.Hirabayashi

Bose-Einstein condensation of α particles and Airy structure in nuclear rainbow scattering

NUCLEAR REACTIONS 12C(α, α), (α, α'), E=139-240 MeV; analyzed σ(E, θ); deduced Airy structure. 12C deduced α-particle density distribution, Bose-Einstein condensation features. Coupled-channels analysis, double-folding model.

doi: 10.1103/PhysRevC.70.041602
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2002HI07      Yad.Fiz. 65, 715 (2002); Phys.Atomic Nuclei 65, 683 (2002)

Y.Hirabayashi, S.Ohkubo

Alpha Scattering from Nonclosed Shell Nucleus 12C and Alpha-Nucleus Interaction

NUCLEAR REACTIONS 12C(α, α), (α, α'), E=41-172.5 MeV; analyzed σ(θ), σ(E, θ). Microscopic α-cluster model wave functions.

doi: 10.1134/1.1471274
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2002IT05      Phys.Rev. C66, 034307 (2002)

M.Ito, Y.Hirabayashi, Y.Sakuragi

Multicluster Configuration in Highly Excited States of 24Mg

NUCLEAR STRUCTURE 24Mg; calculated cluster structure, molecular band features. Microscopic coupled-channels approach.

NUCLEAR REACTIONS 12C(12C, 12C'), E(cm) ≈ 20-40 MeV; analyzed resonance features, molecular band structure. Microscopic coupled-channels approach, band crossing model.

doi: 10.1103/PhysRevC.66.034307
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2001HI10      Phys.Rev. C64, 054605 (2001)

Y.Hirabayashi, T.Suzuki, M.Tanifuji

New Distorted-Wave Impulse Approximation Calculation for Inelastic Scattering of Deuterons at Intermediate Energies with the Sudden Approximation Approach

NUCLEAR REACTIONS 12C(p, p'), E=200 MeV; 12C(d, d'), E=400 MeV; calculated σ(θ), Ay(θ), other spin observables. DWIA approach, sudden approximation, comparison with data.

doi: 10.1103/PhysRevC.64.054605
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2001IT02      Phys.Rev. C63, 064303 (2001)

M.Ito, Y.Sakuragi, Y.Hirabayashi

Properties of Microscopic Nucleus-Nucleus Interaction for Molecular Resonance Formation in 12C + 12C and 3α + 3α Systems

NUCLEAR REACTIONS 12C(12C, X), E not given; calculated microscopic interaction potentials, molecular resonance features.

doi: 10.1103/PhysRevC.63.064303
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2000GU17      J.Phys.(London) G26, L81 (2000)

D.Gupta, C.Samanta, A.Chatterjee, K.Rusek, Y.Hirabayashi

Channel Coupling Effects in Resonant Breakup of 42 MeV 7Li with 58Ni Target

NUCLEAR REACTIONS 58Ni(7Li, 7Li'), E=42 MeV; measured σ(θ) for elastic scattering and sequential α + t breakup of projectile. Comparison with coupled channel calculations.

doi: 10.1088/0954-3899/26/6/102
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1999IT02      Eur.Phys.J. A 5, 373 (1999)

M.Ito, Y.Sakuragi, Y.Hirabayashi

Dynamic Polarization Potential of 12C + 12C System at Molecular-Resonance Energies

NUCLEAR REACTIONS 12C(12C, 12C'), E(cm)=10-50 MeV; calculated σ(q), potentials, wave functions, quadrupole transition densities, σ(E, l), rotational bands. Dynamic polarization potential. Coupled channel calculations.

doi: 10.1007/s100500050300
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1998OH03      Phys.Rev. C57, 2760 (1998)

S.Ohkubo, Y.Hirabayashi, T.Sakuda

α-Cluster Structure of 44Ti in Core-Excited α + 40Ca Model

NUCLEAR STRUCTURE 44Ti; calculated levels, J, π, rotational bands. α-cluster model.

doi: 10.1103/PhysRevC.57.2760
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1997OK02      Phys.Lett. 393B, 301 (1997)

D.O'Kelly, T.Botting, B.Hurst, R.P.Schmitt, Y.-W.Lui, Y.Hirabayashi, S.Okabe, Y.Sakuragi, H.Utsunomiya, T.Yamagata, M.Ohta

Breakup of 30 MeV/u-16O in Nuclear and Coulomb Fields of 120Sn and 208Pb Nuclei

NUCLEAR REACTIONS 120Sn, 208Pb(16O, α12C), E=30 MeV/nucleon; measured α12C-coin, σ(θ, θ(α12C)); deduced nuclear, Coulomb-breakup interference role. Coupled channels approach, orthogonality condition model.

doi: 10.1016/S0370-2693(96)01636-X
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1997SA69      Prog.Theor.Phys.(Kyoto) 98, 521 (1997)

Y.Sakuragi, M.Ito, Y.Hirabayashi, C.Samanta

Breakup Effect on the 6Li Elastic Scattering from 28Si at E/A = 35 and 53 MeV

NUCLEAR REACTIONS 28Si(6Li, 6Li), E=35, 53 MeV/nucleon; analyzed σ(θ); deduced projectile breakup channel role. Double-folding model interactions.

doi: 10.1143/PTP.98.521
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1995HI21      Phys.Rev.Lett. 74, 4141 (1995)

Y.Hirabayashi, Y.Sakuragi, Y.Abe

3α + 3α and 3α + 12C Configurations in 24Mg

NUCLEAR REACTIONS 12C(12C, 12C'), E(cm)=29.5-33 MeV; analyzed σ(θ). 24Mg deduced resonance three α-particle character. Band crossing model.

doi: 10.1103/PhysRevLett.74.4141
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1995SA33      Nucl.Phys. A588, 65c (1995)

Y.Sakuragi, S.Funada, Y.Hirabayashi

Coulomb Dissocation of 6He and 11Li and Its Effect on the Elastic Scattering

NUCLEAR REACTIONS 208Pb(11Li, X), (6He, X), E ≤ 80 MeV/nucleon; analyzed total reaction, Coulomb+dissocation σ(E); 208Pb(11Li, 11Li), E=10 MeV/nucleon; 208Pb(6He, 6He), E=10, 30 MeV/nucleon; analyzed σ(θ); deduced Coulomb dissociation role. Microscopic coupled-channels formalism.

doi: 10.1016/0375-9474(95)00100-F
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1994YA06      Phys.Rev. C50, 2606 (1994)

T.Yamagata, H.Utsunomiya, S.Nakayama, N.Koori, M.Tanaka, A.Tamii, Y.Fujita, K.Katori, M.Inoue, M.Fujiwara, H.Ogata, Y.Hirabayashi

Sucessful Description of Elastic Scattering of 3He Particles at 150 MeV/Nucleon with the Single Folding Potential Model

NUCLEAR REACTIONS 90Zr, 208Pb(3He, 3He), E=450 MeV; measured σ(θ). Enriched targets. Single folding potential model analysis.

doi: 10.1103/PhysRevC.50.2606
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1594.

1993HI13      Phys.Lett. 318B, 32 (1993)

Y.Hirabayashi, Y.Sakuragi, M.Tanifuji

Single-Folding Interaction in Scattering of 6Li and 7Li from Nuclei

NUCLEAR REACTIONS 26Mg, 120Sn(polarized 7Li, 7Li), (polarized 7Li, 7Li'), 26Mg(polarized 6Li, 6Li), (polarized 6Li, 6Li'), E=44 MeV; analyzed σ(θ), tensor analyzing power vs θ; deduced model interactions form factors. Single-folding interactions.

doi: 10.1016/0370-2693(93)91779-M
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1992HI02      Nucl.Phys. A536, 375 (1992)

Y.Hirabayashi, Y.Sakuragi

Coupled-Channels Study of Polarized 6Li Scattering at 44 MeV

NUCLEAR REACTIONS 26Mg, 120Sn(polarized 6Li, 6Li), E=44 MeV; analyzed σ(θ), vector, tensor analyzing power vs θ. Coupled-channels theory.

doi: 10.1016/0375-9474(92)90389-2
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1992HI11      Phys.Rev.Lett. 69, 1892 (1992)

Y.Hirabayashi, Y.Sakuragi

Evidence for Strong Nuclear-Breakup Contribution to 6Li → α + d Breakup by 208Pb at Forward Angles

NUCLEAR REACTIONS 208Pb(6Li, 6Li'), E=156 MeV; analyzed σ(θ); deduced strong breakup contribution. Continuum discretized coupled-channels method.

doi: 10.1103/PhysRevLett.69.1892
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1991HI07      Phys.Lett. 258B, 11 (1991)

Y.Hirabayashi, Y.Sakuragi

Anomalous Renormalization of Cluster-Folding Interactions for 6Li-Nucleus Scattering at Low Energies

NUCLEAR REACTIONS 16O(6Li, 6Li), E=22.8 MeV; 26Mg(6Li, 6Li), E=44 MeV; 58Ni(6Li, 6Li), E=73.7 MeV; 40Ca(6Li, 6Li), E=90, 156 MeV; 28Si(6Li, 6Li), E=154 MeV; analyzed σ(θ). Three-body model, cluster folding interactions.

doi: 10.1016/0370-2693(91)91200-F
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1991HI11      Phys.Rev. C44, 1581 (1991)


Effects of Nonresonant Breakup States in Polarized 6Li Scattering

NUCLEAR REACTIONS 24Mg(polarized 6Li, 6Li), E=44-99 MeV; 16O(polarized 6Li, 6Li), E=22.8 MeV; calculated σ(θ), vector, tensor analyzing power vs θ; deduced nonresonant projectile breakup role. Continuum discretized coupled-channels model.

doi: 10.1103/PhysRevC.44.1581
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1989HI06      Phys.Lett. 221B, 227 (1989)

Y.Hirabayashi, S.Okabe, Y.Sakuragi

Projectile Breakup Effect in Elastic Scattering of 9Be

NUCLEAR REACTIONS 16O, 27Al, 40Ca(9Be, 9Be), E=158 MeV; calculated σ(θ); deduced potential parameters, projectile breakup effect. Coupled-channels analysis, microscopic cluster model.

doi: 10.1016/0370-2693(89)91702-4
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