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NSR database version of April 26, 2024.

Search: Author = H.Miyake

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2023SO07      Eur.Phys.J. A 59, 74 (2023)

M.A.Souza, H.Miyake

α + core structure described with an additional interaction in the nuclear matter saturation region

NUCLEAR STRUCTURE ²⁰Ne, ⁴⁴Ti, ⁹⁴Mo, ¹⁰⁴Te, ²¹²Po; analyzed available data; deduced α+core structures, energy levels, α-widths, B(E2) through the local potential model using a double-folding nuclear potential with effective nucleon-nucleon interaction.

doi: 10.1140/epja/s10050-023-00990-0
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2021SO31      Phys.Rev. C 104, 064301 (2021)

M.A.Souza, H.Miyake

Search for the α + core structure in the ground state bands of 22 ≤ Z ≤ 42 even-even nuclei

NUCLEAR STRUCTURE ^{38,40,42,44,46,48,50,52,54,56,58,60,62}Ti, ^{42,44,46,48,50,52,54,56,58,60,62,64,64,66,68}Cr, ^{46,48,50,52,54,56,58,60,62,64,64,66,68,70,72,74}Fe, ^{50,52,54,56,58,60,62,64,64,66,68,70,72,74,76,78}Ni, ^{54,56,58,60,62,64,64,66,68,70,72,74,76,78,80,82,84}Zn, ^{58,60,62,64,64,66,68,70,72,74,76,78,80,82,84,86,88}Ge, ^{64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94}Se, ^{70,72,74,76,78,80,82,84,86,88,90,92,94,96,98}Kr, ^{74,76,78,80,82,84,86,88,90,92,94,96,98,100,102,104}Sr, ^{78,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110}Zr, ^{82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116}Mo; analyzed Q(α)/A values obtained for the a + core decomposition of even-even nuclei, out of which certain nuclei, given in the next list in keywords, selected for α-cluster analysis. ^44,52Ti, ^46,48,54Cr, ^56,58Fe, ^58,60Ni, ^60,82Zn, ^64,84Ge, ^68,86Se, ^72,88Kr, ^78,90Sr, ⁹²Zr, ⁹⁴Mo; calculated levels, g.s. bands up to Jπ=16+, B(E2), values of relevant parameters R, σ, and G_g.s. for α-cluster analysis, energy levels populated in α-transfer reactions in the ground state bands, listed here under reactions, reduced α widths, rms intercluster separations, rms charge radii, and relevant ratios of different quantities for the 0+ ground states. Discussed negative-parity bands in the context of α+core structure. Comparison with experimental data.

NUCLEAR REACTIONS ⁴⁰Ca(α, γ), (⁶Li, d), (polarized ⁶Li, d), (⁶Li, np), (⁷Li, t), (¹²C, ⁸Be), (¹³C, ⁹Be), (¹⁴N, ¹⁰B), (¹⁶O, ¹²C), (²⁰Ne, ¹⁶O), (³²S, ²⁸Si)⁴⁴Ti; ⁴⁸Ca(⁶Li, d), (⁷Li, 2np), (¹²C, ⁸Be), (¹⁶O, ¹²C)⁵²Ti; ⁵⁰Ti(⁶Li, d), (¹⁶O, ¹²C)⁵⁴Cr; ⁵²Cr(⁶Li, d)⁵⁶Fe; ⁵⁴Cr(⁶Li, d)⁵⁸Fe; ⁵⁴Fe(⁶Li, d), (⁷Li, t), (¹²C, ⁸Be), (¹⁶O, ¹²C)⁵⁸Ni; ⁵⁶Fe(⁶Li, d), (⁷Li, 2np)⁶⁰Ni; ¹²C(⁸⁶Kr, 2α)⁹⁰Sr; ⁸⁸Sr(⁷Li, 2np)⁹²Zr; ⁹⁰Zr(¹⁶O, ¹²C), (⁶Li, d)⁹⁴Mo; compiled experimental levels populated in α-transfer reactions in the g.s. bands up to Jπ=12+.

doi: 10.1103/PhysRevC.104.064301
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2017SO15      Eur.Phys.J. A 53, 146 (2017)

M.A.Souza, H.Miyake

Search for α + core states in even-even Cr isotopes

NUCLEAR STRUCTURE ^{42,44,46,48,50,52,54,56,58,60,62,64,66}Cr, ⁴⁶S, ⁴⁶Ar, ^46,54,56Ca, ^46,54,56,58Ti, ^46,54,56,58Fe, ^54,56,58Ni, ^54,56,58Zn, ⁵⁸Ge; calculated α-decay Q vs N_T and vs Z_T using local potential model with two different potentials. ^46,54Cr; calculated levels, J, π, rotational bands, radius. Compared to data.

doi: 10.1140/epja/i2017-12339-9
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2015SO06      Phys.Rev. C 91, 034320 (2015)

M.A.Souza, H.Miyake

α-cluster structure in even-even nuclei around ⁹⁴Mo

NUCLEAR STRUCTURE ⁹⁰Sr, ⁹²Zr, ⁹⁴Mo, ⁹⁶Ru, ⁹⁸Pd; calculated α+core level energies and rms intercluster separation of the ground-state band up to 16+, B(E2), rms charge radii, α+core level energies of the negative-parity bands up to 17-. The α-cluster model with the local potential approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.034320
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2014RO04      Phys.Rev. C 89, 024306 (2014)

M.R.D.Rodrigues, T.Borello-Lewin, H.Miyake, J.L.M.Duarte, C.L.Rodrigues, M.A.Souza, L.B.Horodynski-Matsushigue, G.M.Ukita, F.Cappuzzello, A.Cunsolo, M.Cavallaro, C.Agodi, A.Foti

¹⁶O resonances near the 4α threshold through the ¹²C(⁶Li, d) reaction

NUCLEAR REACTIONS ¹²C(⁶Li, d), (⁶Li, ⁶Li), E=25.5 MeV; measured deuteron and ⁶Li spectra, σ(θ) at Sao Paulo Pelletron accelerator facility. ¹⁶O; deduced levels, J, π, resonant levels near 4α threshold, natural-parity quasibound states, α widths, α-clustering phenomenon. DWBA analysis. Comparison with previous experimental and evaluated data.

doi: 10.1103/PhysRevC.89.024306
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0718. Data from this article have been entered in the XUNDL database. For more information, click here.

2011BO17      Int.J.Mod.Phys. E20, 1018 (2011)

T.Borello-Lewin, L.B.Horodynski-Matsushigue, J.L.M.Duarte, C.L.Rodrigues, M.A.Souza, H.Miyake, M.R.D.Rodrigues, A.Cunsolo, F.Cappuzzello, G.M.Ukita

Resonances excited by the ⁹Be(⁶Li, d)¹³C reaction

NUCLEAR REACTIONS ⁹Be(⁶Li, d)¹³C, E=25.5 MeV; measured reaction products, deuteron spectra; deduced σ(θ), J, π. Comparison with DWBA calculations.

doi: 10.1142/S0218301311019179
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0686.

2005DE59      Braz.J.Phys. 35, 826 (2005)

M.A.de Souza, H.Miyake

The Alpha-Cluster Bands in ⁹⁴Mo

NUCLEAR STRUCTURE ⁹⁴Mo; calculated levels, J, π, B(E2) for α-cluster bands. Comparison with data.

1999UE01      Phys.Rev. C59, 1806 (1999)

K.Ueta, H.Miyake, G.W.Bund

Three-Body Faddeev Calculation for ¹¹Li with Separable Potentials

NUCLEAR STRUCTURE ¹¹Li; calculated 2n separation energy, core momentum distribution, wave function admixtures. Three-body Faddeev calculation.

doi: 10.1103/PhysRevC.59.1806
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1990MI01      Phys.Rev. C41, 329 (1990)

H.Miyake, A.Mizukami

Shell Model States in the ¹⁸O Three-Body Wave Function

NUCLEAR STRUCTURE ¹⁸O; calculated level spectroscopic amplitudes, radial probability densities. Shell model states, three-body wave functions.

doi: 10.1103/PhysRevC.41.329
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1984MI17      Nuovo Cim. 84A, 225 (1984)

H.Miyake, A.Mizukami, K.Ueta

Faddeev Calculations in the Three-Particle Model for the A = 18 System: Energy levels of ¹⁸F

NUCLEAR STRUCTURE ¹⁸F; calculated levels. Faddeev formalism.

doi: 10.1007/BF02778186
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1983UE01      Phys.Rev. C27, 389 (1983)

K.Ueta, H.Miyake, A.Mizukami

¹⁸O as a Core Plus Two Valence Neutrons: A three-body Faddeev calculation

NUCLEAR STRUCTURE ¹⁸O; calculated binding energy, levels. Separable interactions, three-body model, Faddeev calculation.

doi: 10.1103/PhysRevC.27.389
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1979MI14      Nuovo Cim. 50A, 317 (1979)

A.Mizukami, H.Miyake

Quasi-Particle Coupling to Pairing and Quadrupole Vibrations

NUCLEAR STRUCTURE ^{108,110,112,114,116,118,120,122,124,126}Sn; calculated excitation energies, relative elements of pairing modes; deduced pairing, quadrupole vibrations. ^{121,123,125,127}Sn; calculated energy levels. Quasiparticle coupled to pairing, quadrupole vibrations. BCS, RPA methods.

doi: 10.1007/BF02813238
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