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NSR database version of May 23, 2024.

Search: Author = J.J.Bevelacqua

Found 41 matches.

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1992BE58      Fizika(Zagreb) B1, 129 (1992)

J.J.Bevelacqua

Quasielastic Electron Scattering in 4He between 328 and 725 MeV

NUCLEAR REACTIONS 4He(e, e'), E=328-725 MeV; calculated quasifree scattering σ(θ, E(e')). PWIA model.


1989BE07      Fizika(Zagreb) 21, 65 (1989)

J.J.Bevelacqua

Structure Effects in the 4He(γ, p)3H E3 Cross Section

NUCLEAR REACTIONS 4He(γ, p), E=58-80 MeV; calculated octupole σ(E). R-matrix methods.


1989BE36      Fizika(Zagreb) 21, 267 (1989)

J.J.Bevelacqua

Alpha Particle Cluster States in 40Ca, 114Pd, 188Os and 238U

NUCLEAR STRUCTURE 40Ca, 114Pd, 188Os, 238U; calculated α-cluster states. Particle plus core cluster model.


1987BE45      Indian J.Phys. 61A, 111 (1987)

J.J.Bevelacqua

Particle Stability of the 6n System

NUCLEAR STRUCTURE 6n; calculated binding energy, ground state J, π, T. R-matrix.


1987BE46      Indian J.Phys. 61A, 115 (1987)

J.J.Bevelacqua

Proton and Neutron Single-Particle States near Z = 64, N = 82 using the TOPS Interaction

NUCLEAR STRUCTURE 146Gd; calculated single particle energies, proton, neutron gap energies.


1986BE02      Phys.Rev. C33, 699 (1986)

J.J.Bevelacqua

Microscopic Calculations in the A = 6 System

NUCLEAR STRUCTURE 6n, 6H, 6B, 6C; calculated binding energies. 6He, 6Li, 6Be; calculated levels, binding energies.

doi: 10.1103/PhysRevC.33.699
Citations: PlumX Metrics


1986BE51      Fizika(Zagreb) 18, 383 (1986)

J.J.Bevelacqua

4He Energy Levels in the Energy Range 13 MeV < E(x) < 60 MeV

NUCLEAR STRUCTURE 4He; calculated levels, J, π, widths. R-matrix.


1985BE61      Fizika(Zagreb) 17, 459 (1985)

J.J.Bevelacqua

Influence of Three-Body Forces on the T=1 Spectrum in 4He

NUCLEAR STRUCTURE 4He; calculated T=1 levels. Shell model, two-, three-body forces.


1983BE13      Phys.Rev. C27, 2417 (1983)

J.J.Bevelacqua

Isospin Mixing in the 4He Giant Dipole Resonance

NUCLEAR REACTIONS 4He(γ, p), (γ, n), E=26-29 MeV; analyzed σ(ratio) near GDR; deduced no evidence for charge symmetry violating force. 4He deduced possible new 1-, T=0 resonance. R-matrix formulation.

doi: 10.1103/PhysRevC.27.2417
Citations: PlumX Metrics


1983BE22      J.Phys.(London) G9, 895 (1983)

J.J.Bevelacqua

Structure Effects in the 4He(γ, p)3H E2 Cross Section

NUCLEAR REACTIONS 4He(γ, p), E ≤ 36 MeV; calculated σ(E). 4He deduced 2+ resonances. Generalized R-matrix formalism.

doi: 10.1088/0305-4616/9/8/012
Citations: PlumX Metrics


1983BE52      Phys.Rev. C28, 2540 (1983)

J.J.Bevelacqua

J(π) = 4+ Level at 24.6 MeV Excitation Energy in 4He

NUCLEAR STRUCTURE 4He; calculated 4+ resonance energy, Γ. Dynamical R-matrix method.

doi: 10.1103/PhysRevC.28.2540
Citations: PlumX Metrics


1983BE54      Indian J.Phys. 57A, 21 (1983)

J.J.Bevelacqua

Direct Reaction Nature of the 2H(d, n) Reaction

NUCLEAR REACTIONS 2H(d, n), E=18-26 MeV; analyzed data; deduced reaction mechanism. R-matrix, DWBA analyses.


1983BE55      Indian J.Phys. 57A, 26 (1983)

J.J.Bevelacqua

Theoretical Estimates of Neutron Nuclei Binding Energies: 2 ≤ A ≤ 440

NUCLEAR STRUCTURE A=2-440; calculated binding energies.


1982BE39      Phys.Rev. C26, 1292 (1982)

J.J.Bevelacqua

Shell-Model Description of the Charge Form Factor and the First Excited State in 4He

NUCLEAR STRUCTURE 4He; calculated binding energy, charge form factor, rms radius, level. Three-body forces.

doi: 10.1103/PhysRevC.26.1292
Citations: PlumX Metrics


1981BE07      Can.J.Phys. 59, 35 (1981)

J.J.Bevelacqua

Zero-Range Distorted Wave Born Approximation Calculations for the 68Zn(d, 6Li)64Ni Reaction at 27.2 MeV

NUCLEAR REACTIONS 68Zn(d, 6Li), E=27.2 MeV; analyzed σ(θ). Zero-range DWBA analysis.

doi: 10.1139/p81-005
Citations: PlumX Metrics


1981BE09      Can.J.Phys. 59, 231 (1981)

J.J.Bevelacqua, S.V.Prewett

Zero-Range Distorted-Wave Born Approximation Analysis of (p, t) Transfer Reactions

NUCLEAR REACTIONS 40Ca(t, p), E=10.1 MeV; 208Pb(p, t), E=35 MeV; analyzed σ(θ); deduced reaction mechanism, form factor dependence. Zero-range, finite-range DWBA analysis.

doi: 10.1139/p81-029
Citations: PlumX Metrics


1981BE10      Nucl.Phys. A357, 126 (1981)

J.J.Bevelacqua

Shell-Model Calculations in the A = 5 System

NUCLEAR STRUCTURE 5H, 5He, 5Li, 5Be; calculated levels. 5Li deduced resonance, J, π. Shell model, symmetrized translationally invariant harmonic oscillator.

doi: 10.1016/0375-9474(81)90629-1
Citations: PlumX Metrics


1981BE24      Can.J.Phys. 59, 765 (1981)

J.J.Bevelacqua

Parity Mixing above 30 MeV Excitation Energy in the 4He System

NUCLEAR STRUCTURE 4He; calculated CP for transitions in continuum; deduced parity mixing effects. Effective potential.

doi: 10.1139/p81-098
Citations: PlumX Metrics


1981BE25      Phys.Lett. 102B, 79 (1981)

J.J.Bevelacqua

Particle Stability of the Penta-Neutron

NUCLEAR STRUCTURE 5n; calculated levels, ground state particle instability, J, π. 5He calculated levels. Realistic interaction, five oscillator quanta space.

doi: 10.1016/0370-2693(81)91033-9
Citations: PlumX Metrics


1981BE39      Phys.Rev. C24, 712 (1981)

J.J.Bevelacqua

2+ 40 MeV 4He Resonance in a 4(h-bar x omega) Model Space

NUCLEAR STRUCTURE 4He; calculated 2+ resonance, Γ. Dynamical R-matrix.

doi: 10.1103/PhysRevC.24.712
Citations: PlumX Metrics


1981BE43      J.Phys.(London) G7, 1255 (1981)

J.J.Bevelacqua

Importance of L = 2 Components in the 2H(d, n)3He Reaction for Deuteron Energies below 350 keV

NUCLEAR REACTIONS 2H(d, n), E=19.5-349 keV; calculated σ(θ); deduced D-wave contributions. R-matrix, DWBA formalisms, T-matrix approach.

doi: 10.1088/0305-4616/7/9/017
Citations: PlumX Metrics


1980BE17      Can.J.Phys. 58, 249 (1980)

J.J.Bevelacqua

Parity-Mixing below 30 MeV Excitation Energy in the 4He System

NUCLEAR STRUCTURE 4He; calculated parity mixing for ΔT=0, ΔT=1 transitions. Effective potential, model wave functions.

doi: 10.1139/p80-038
Citations: PlumX Metrics


1980BE18      Can.J.Phys. 58, 306 (1980)

J.J.Bevelacqua

Microscopic Calculations for the 4He Continuum

NUCLEAR REACTIONS 3H(p, p), (n, n), (p, n), E(cm)=0.5-3.5 MeV; calculated phase shifts. 3H(p, p), E(cm)=0.75-5.3 MeV; 3H(p, n), E(cm)=1.13-3.75 MeV; calculated σ(θ). 3He(n, n), E(cm)=0.5-6 MeV; calculated σ(E). 2H(d, d), E(cm)=0.48-6.05 MeV; calculated σ(θ). Lane-Robson formalism.

doi: 10.1139/p80-045
Citations: PlumX Metrics


1980BE21      Phys.Rev. C21, 2685 (1980)

J.J.Bevelacqua

Comparison of Analyzing Powers and Polarizations for the Charge Symmetric Reactions 2H(d, p)3H and 2H(d, n)3He

NUCLEAR REACTIONS 2H(polarized d, p), (polarized d, n), E < 10 MeV; calculated analyzing power, polarization differences. Lane-Robson theory.

doi: 10.1103/PhysRevC.21.2685
Citations: PlumX Metrics


1980BE22      Nucl.Phys. A341, 414 (1980)

J.J.Bevelacqua

Theoretical Estimates of the Trineutron and Tetraneutron Finding Energies

NUCLEAR STRUCTURE 3n, 4n; calculated binding energies. Translationally invariant, symmetrized oscillator basis.

doi: 10.1016/0375-9474(80)90374-7
Citations: PlumX Metrics


1980BE42      Can.J.Phys. 58, 1555 (1980)

J.J.Bevelacqua

Giant Dipole Resonance in 4He

NUCLEAR REACTIONS 4He(γ, n), (γ, p), E<38 MeV; calculated σ(E). 4He deduced GDR. Lane-Robson formalism, center of mass motion effects, realistic interactions.

doi: 10.1139/p80-204
Citations: PlumX Metrics


1979BE09      Can.J.Phys. 57, 404 (1979)

J.J.Bevelacqua

Structure and Form Factor Models in the Mass Three System

NUCLEAR STRUCTURE A=3; calculated binding energies; deduced model form factors. Lane-Robson R-matrix formalism with model space truncation.

doi: 10.1139/p79-055
Citations: PlumX Metrics


1979BE15      Phys.Rev. C19, 2050 (1979)

J.J.Bevelacqua

Nuclear Level Density in the 4He System

NUCLEAR STRUCTURE 4He; calculated level densities up to 85 MeV excitation energy. Constant temperature, equidistant models. Realistic nucleon-nucleon interaction in space including up to 4 oscillator quanta.

doi: 10.1103/PhysRevC.19.2050
Citations: PlumX Metrics


1979BE34      Can.J.Phys. 57, 1484 (1979)

J.J.Bevelacqua, S.V.Prewett

Form Factor Effects in the 18O(p, t)16O Reaction

NUCLEAR REACTIONS 18O(p, t), E=20 MeV; calculated σ(θ). Zero-range DWBA.


1979BE42      Can.J.Phys. 57, 1833 (1979)

J.J.Bevelacqua

Shell-Model Calculations in the 4He System

NUCLEAR STRUCTURE 4He; calculated energy levels. Shell model, Sussex interaction, excitation of two-, four-oscillator quanta.

doi: 10.1139/p79-253
Citations: PlumX Metrics


1979HU03      Phys.Rev. C20, 1208 (1979)

J.R.Hurd, D.R.James, J.J.Bevelacqua, L.R.Medsker

(7Li, 8Be) Reaction on 40Ca

NUCLEAR REACTIONS 40Ca(7Li, 8Be), E=34 MeV; measured σ(θ). 8Be deduced optical model parameters. 39K levels deduced C2S. Finite range DWBA analysis.

doi: 10.1103/PhysRevC.20.1208
Citations: PlumX Metrics


1978BE41      Phys.Rev. C18, 591 (1978)

J.J.Bevelacqua

High Spin States in the 4He System

NUCLEAR STRUCTURE 4He; calculated resonances, Γ in compound system.

doi: 10.1103/PhysRevC.18.591
Citations: PlumX Metrics


1978BE48      Can.J.Phys. 56, 1382 (1978)

J.J.Bevelacqua

Effective Three- and Four-Body Forces in the Five Nucleon System

NUCLEAR STRUCTURE 5Li, 5He; calculated binding energy, levels.

doi: 10.1139/p78-180
Citations: PlumX Metrics


1977BE02      Nucl.Phys. A275, 301 (1977)

J.J.Bevelacqua, R.J.Philpott

Microscopic Calculations for the 4He Continuum (I). General Approach

NUCLEAR REACTIONS 2H(d, d), (d, p); calculated σ. 4He; calculated levels.

doi: 10.1016/0375-9474(77)90454-7
Citations: PlumX Metrics


1977BE04      Phys.Rev. C15, 447 (1977)

J.J.Bevelacqua, D.Stanley, D.Robson

Sensitivity of the Reaction 40Ca(13C, 14N)39K to the 39K + p Form Factor

NUCLEAR REACTIONS 40Ca(13C, 14N), E=68 MeV; calculated sensitivity of phasing of DWBA angular distribution to 39K+p form factor peak location.

doi: 10.1103/PhysRevC.15.447
Citations: PlumX Metrics


1977BE28      Phys.Rev. C16, 107 (1977)

J.J.Bevelacqua

Analysis of Polarization and Analyzing Power in the Reaction 3H(p, n)3He

NUCLEAR REACTIONS 3H(polarized p, n), E(cm)=1-4 MeV; calculated polarization, analyzing power difference.

doi: 10.1103/PhysRevC.16.107
Citations: PlumX Metrics


1977BE40      Phys.Rev. C16, 1673 (1977)

J.J.Bevelacqua

Microscopic Calculations for the 4H and 4Li Continuum

NUCLEAR REACTIONS 3H(n, n), 3He(p, p), E(cm)=5.1-8.1 MeV; calculated σ. 4H, 4Li; calculated levels, Γ. Microscopic theory.

doi: 10.1103/PhysRevC.16.1673
Citations: PlumX Metrics


1977BE53      Phys.Rev. C16, 1782 (1977)

J.J.Bevelacqua

Proton and Neutron Polarization Differences in the Reactions 3H(p, p)3H And 3H(n, n)3He

NUCLEAR REACTIONS 3H(polarized p, p), 3He(polarized n, n), E=8, 12, 17.1 MeV; calculated polarization P(θ). 4He resonance deduced J, π. R-matrix model.

doi: 10.1103/PhysRevC.16.1782
Citations: PlumX Metrics


1977BE61      Phys.Rev. C16, 2420 (1977)

J.J.Bevelacqua

Effective Three-Body Forces in the Three and Four Nucleon Systems

NUCLEAR STRUCTURE 3,4He; calculated binding energies.

doi: 10.1103/PhysRevC.16.2420
Citations: PlumX Metrics


1977PE19      Phys.Lett. 71B, 259(1977)

F.Petrovich, D.Stanley, J.J.Bevelacqua

Density Dependent Interactions and the Consistency of Folding Estimates of Nucleon-Nucleus and Nucleus-Nucleus Potentials

NUCLEAR REACTIONS 60Ni(16O, X), 40Ca(p, X), E=6.5 MeV/nucleon; calculated potentials.

doi: 10.1016/0370-2693(77)90209-X
Citations: PlumX Metrics


1976PE07      Phys.Rev.Lett. 37, 558 (1976)

F.Petrovich, R.J.Philpott, D.Robson, J.J.Bevelacqua, M.Golin, D.Stanley

Comments of Primordial Superheavy Elements

NUCLEAR STRUCTURE A > 200; calculated single particle levels, Qα, T1/2.

doi: 10.1103/PhysRevLett.37.558
Citations: PlumX Metrics


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