Nuclear Science References (NSR)

Cross correlation of low-lying levels of even-even nuclei

doi: 10.1016/j.nuclphysa.2005.09.002
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2004AB01 Phys.Lett. B 579, 278 (2004)

A.Y.Abul-Magd, H.L.Harney, M.H.Simbel, H.A.Weidenmuller

Statistics of 2⁺ levels in even-even nuclei

doi: 10.1016/j.physletb.2003.07.092
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2001AB08 Eur.Phys.J. A 10, 57 (2001)

Discrete Structures in Fusion-Barrier Distributions for Vibrational Nuclei

NUCLEAR REACTIONS ⁹²Zr, ¹⁴⁴Sm, ²⁰⁸Pb(¹⁶O, X), E=35-85 MeV; calculated fusion barrier distributions, contributions from excited phonons. Comparisons with data.

doi: 10.1007/s100500170144
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1998AB08 J.Phys.(London) G24, 579 (1998)

Level Repulsion in Nuclei in Transition between Order and Chaos

NUCLEAR STRUCTURE Z=62-75; A=155-185; analyzed level spacings distributions. Several formulae compared, onset of chaotic behaviour discussed.

doi: 10.1088/0954-3899/24/3/009
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1998AB34 Phys.Rev. C58, 2229 (1998)

Analytical Calculation of Fusion Barrier Distributions

NUCLEAR REACTIONS ^144,148,154Sm, ¹⁸⁶W, ²⁰⁸Pb, ²³⁸U(¹⁶O, X), E not given; calculated fusion barrier distributions. Eigenchannel approximation. Comparison with data.

doi: 10.1103/PhysRevC.58.2229
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1997AB13 Phys.Rev. C56, 825 (1997)

Isospin and the Spacing Distribution of Low-Lying Levels of ²⁶Al

NUCLEAR STRUCTURE ²⁶Al; analyzed level distribution; deduced no evidence for isospin mixing.

doi: 10.1103/PhysRevC.56.825
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1997AB50 Nuovo Cim. 110A, 725 (1997)

Volume Integrals and Mean Square Radii of Optical Potentials by Inversion

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), (¹²C, ¹²C'), E not given; calculated optical model potential.

1997SI21 Phys.Rev. C56, 1467 (1997)

Outer Volume Integrals and Mean Square Radii of Heavy Ion Optical Potentials

NUCLEAR REACTIONS ¹²C, ¹⁶O(¹²C, ¹²C), ¹⁶O(¹⁶O, ¹⁶O), E=5-100 MeV/nucleon; analyzed optical potentials, parameters.

doi: 10.1103/PhysRevC.56.1467
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1996AB20 J.Phys.(London) G22, 1043 (1996)

Nearest-Neighbour-Spacing Distribution of Low-Lying Nuclear Energy Levels

NUCLEAR STRUCTURE A ≤ 210; A > 230; calculated low-lying levels nearest neighbor spacing distributions, partially chaotic systems. Interpolation approach.

doi: 10.1088/0954-3899/22/7/010
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1996AB25 Phys.Rev. C54, 1675 (1996)

Nearest Neighbor Spacing Distributions of Low-Lying Levels of Vibrational Nuclei

NUCLEAR STRUCTURE ¹¹⁶Sn; A=150-185; calculated nearest neighbor, cumulative spacing distributions. Vibrational nuclei, chaotic intrinsic motion, division of Hamiltonian into intrinsic, collective-vibrational terms.

doi: 10.1103/PhysRevC.54.1675
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1996EL05 Phys.Rev. C53, 2973 (1996)

N.M.Eldebawi, M.H.Simbel

¹²C + ¹²C and ¹⁶O + ¹²C Potentials by Inversion

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), E=58.8-2400 MeV; ¹²C(¹⁶O, ¹⁶O), E=608 MeV; calculated σ(θ). Potentials from inversion techniques.

doi: 10.1103/PhysRevC.53.2973
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1996SI28 Nuovo Cim. 109A, 1413 (1996)

Mass Yield Distribution in Proton-Induced Fission of ²³⁸U

NUCLEAR REACTIONS ²³⁵U(n, F), E=thermal, 14 MeV; ²³⁸U(p, F), E=100-340 MeV; analyzed mass yield distribution. Two-step model.

doi: 10.1007/BF02780612
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1990SI01 Phys.Rev. C41, 680 (1990)

Recoil Momenta in Proton-Induced Spallation Reactions

NUCLEAR REACTIONS ¹⁹⁷Au(p, X), E=1-11.5 GeV; calculated fragment production σ vs mass.

doi: 10.1103/PhysRevC.41.680
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1989SI08 Z.Phys. A333, 177 (1989)

Phenomenological Analysis of Fission Induced by High-Energy Protons

NUCLEAR REACTIONS U, Th(p, F), E=0.1-10 GeV; Pb, ¹⁹⁷Au, Ag(p, F), E=0.7-30 GeV; calculated fission σ(E). Two-step model.

NUCLEAR STRUCTURE ¹³¹Xe; calculated fission probability vs excitation energy. Two-step model.

1989SI10 Z.Phys. A333, 307 (1989)

On the Mechanism of (HI, αxn) Reactions

NUCLEAR REACTIONS, ICPND ¹⁵⁴Sm(¹⁶O, 6n), (¹⁶O, 7n), (¹⁶O, 8n), (¹⁶O, 9n), (¹⁶O, 10n), (¹⁶O, 4nα), (¹⁶O, 5nα), (¹⁶O, 6nα), (¹⁶O, 7nα), (¹⁶O, 8nα), E ≈ 80-200 MeV; calculated σ(E); deduced reaction mechanism.

1988SI19 Phys.Rev. C38, 2756 (1988)

Calculation of Excitation Functions for Proton-Nucleus Spallation Reactions

NUCLEAR REACTIONS Cu, Ni, ⁵⁹Co, Fe, ⁴⁵Sc(p, X), E=threshold-40 GeV; calculated production σ for ³⁹Ar, ¹⁹⁷Au, fragment mass yields.

doi: 10.1103/PhysRevC.38.2756
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1983SI23 Z.Phys. A313, 311 (1983)

Evaluation of Γn/Γf from Cross Sections of (HI, xn) Reactions

NUCLEAR REACTIONS ¹⁹⁷Au(α, xn), ²³⁸U(¹⁰B, xn), ²⁴⁹Cf(¹¹B, xn), ¹³⁰Te, ^142,144Nd, ¹⁹⁷Au, ²⁰⁹Bi, ^235,236,238U, ²³⁹Pu, ^244,246,248Cm(¹²C, xn), ^244,246,248Cm(¹³C, xn), ¹⁴¹Pr, ^196,198Pt, ¹⁹⁷Au, ²³⁸U(¹⁴N, xn), ¹⁴¹Pr, ²⁴⁸Cm(¹⁵N, xn), ⁵¹V, ¹²⁴Sn, ¹⁴⁰Ce, ¹⁴⁴Sm, ^233,238U(¹⁶O, xn), ¹⁴⁰Ce, ²³⁸U, ²⁴²Pu(¹⁸O, xn), ¹³⁹La, ¹⁴¹Pr, ¹⁴²Nd, ²³⁸U(¹⁹F, xn), ^136,137,138Ba, ¹⁴⁰Ce, ¹⁴¹Pr, ¹⁴²Nd, ¹⁴⁴Sm(²⁰Ne, xn), ^137,138Ba, ²³⁸U, ²⁴³Am(²²Ne, xn), ^114,116Cd, ¹⁶⁴Dy(⁴⁰Ar, xn), E not given; analyzed compiled neutron evaporation σ data following fission. ²⁰¹Tl, ²⁴⁸Bk, ²⁶⁰Lr, ¹⁴²Ce, ^154,156Dy, ²⁰⁹At, ²²¹Ac, ^247,248,250Cf, ²⁵¹Fm, ^{256,258,260,257,259,261}No, ^{154,156,158,155,157,159,160}Dy, ^210,212At, ²²¹Rn, ²⁵²Es, ²⁶³Lr, ⁶⁷Ga, ¹⁴⁰Ce, ^162,160Yb, ^249,254Fm, ¹⁶⁰Er, ¹⁶¹Tm, ²⁵⁹Md, ¹⁶⁴Hf, ²⁶⁵Db, ²⁰⁴Po deduced fissility, (Γn/(Γn+ΓF)). Poisson probability law for neutron evaporation following fission.

doi: 10.1007/BF01439484
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1982SI11 Z.Phys. A307, 141 (1982)

Is Neutron Evaporation from Highly Excited Nuclei a Poisson Random Process ( Question )

NUCLEAR REACTIONS ¹⁶⁴Dy(⁴⁰Ar, 4n), (⁴⁰Ar, 5n), (⁴⁰Ar, 6n), (⁴⁰Ar, 7n), (⁴⁰Ar, 8n), (⁴⁰Ar, 9n), (⁴⁰Ar, 10n), ¹⁹⁷Au(¹²C, 4n), (¹²C, 5n), (¹²C, 6n), (¹²C, 7n), (¹²C, 8n), ¹⁹⁷Au(α, n), (α, 2n), (α, 3n), (α, 4n), (α, 5n), (α, 6n), (α, 7n), (α, 8n), (α, 9n), (α, 10n), (α, 11n), (α, 3np), (α, 5np), (α, 7np), E not given; calculated residual production σ(E). Poisson distribution function, post, preequilibrium components.

doi: 10.1007/BF01414828
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1980SI08 Z.Phys. A294, 277 (1980)

Influence of Angular Momentum Dependence of Charge Transfer in Deeply Inelastic Collisions on Fragment Kinetic Energies

NUCLEAR REACTIONS ¹⁹⁷Au, ¹⁸¹Ta, ¹⁵⁹Tb(⁸⁶Kr, X), E=620 MeV; ^107,109Ag(⁸⁶Kr, X), E=606 MeV; ⁶⁴Ni(⁴⁰Ca, X), E=182 MeV; ^107,109Ag(⁴⁰Ar, X), E=288-340 MeV; ⁵⁸Ni(²⁰Ne, X), E=164 MeV; calculated fragment E; deduced L-dependence of Z-transfer. Classical model for deep-inelastic collisions.

doi: 10.1007/BF01438165
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1979AB05 Phys.Lett. 83B, 27 (1979)

A.Y.Abul-Magd, M.H.Simbel, H.A.Weidenmuller

Angular-Momentum Coherence in Heavy-Ion Deep Inelastic Collisions

NUCLEAR REACTIONS ²³²Th(⁴⁰Ar, X), E=285, 379 MeV; calculated σ; deduced dependence of number of interfering partial waves on A, interaction time.

doi: 10.1016/0370-2693(79)90880-3
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1978AB01 Z.Phys. A285, 41 (1978)

Shape Deformation and Viscosity in Deeply-Inelastic Heavy-Ion Collisions

NUCLEAR REACTIONS ²³²Th(⁴⁰Ar, X), E(cm)=288 MeV; ²⁰⁹Bi(⁸⁴Kr, X), E(cm)=375 MeV; calculated time scales, energy losses involved in tangential, radial friction, viscous, nonviscous shape deformations.

doi: 10.1007/BF01410222
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1975RI04 Z.Phys. A273, 195 (1975)

J.Richert, M.H.Simbel, H.A.Weidenmuller

Statistical Theory of Nuclear Cross Section Fluctuations

NUCLEAR REACTIONS ⁸⁸Sr(p, p), (p, p'), E=7.5 MeV; calculated resonance parameters.

doi: 10.1007/BF01435839
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1974SI16 Phys.Rev. C10, 1083 (1974)

Energy Dependence of the Volume Integrals of the ³He Optical Potential

NUCLEAR REACTIONS ⁵⁴Fe, ⁵⁶Fe, ⁵⁸Ni, ⁵⁹Co, ⁶⁰Ni(³He, ³He); calculated volume integrals of optical potentials.

doi: 10.1103/PhysRevC.10.1083
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1973SI21 Phys.Rev. C8, 75 (1973)

Choice of Nucleon-Nucleus Potential in the Calculation of Optical Potentials for Composite Projectiles

NUCLEAR STRUCTURE ¹²C, ¹⁴N, ¹⁶O, ⁴⁰Ca, ^58,60Ni, ⁹⁰Zr, ²⁰⁸Pb, ¹²⁰Sn, ²⁷Al; calculated disintegration effects of d, t, ³He on their optical potentials. Deduced effective nucleon energies.

doi: 10.1103/PhysRevC.8.75
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1972AB08 Lett.Nuovo Cim. 3, 673 (1972)

The Mass Number Dependence of the Diffraction Model Parameters

NUCLEAR REACTIONS ²⁷Al, ⁴⁰Ca, ⁶⁴Ni, ⁹⁰Zr, ¹²⁰Sn, ²⁰⁸Pb(d, d), E=52 MeV; calculated phase shifts, diffraction model parameters.

doi: 10.1007/BF02756409
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1971AB03 Phys.Lett. 34B, 566 (1971)

A.Y.Abul-Magd, M.El-Nadi, M.H.Simbel

Determination of the Optical Potentials in Terms of Diffraction-Model Parameters

NUCLEAR REACTIONS ⁶⁴Ni, ²⁰⁸Pb(α, α), E=104 MeV; calculated σ(θ); deduced optical model potential. Diffraction model.

doi: 10.1016/0370-2693(71)90137-7
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1971SI24 Nucl.Phys. A177, 322 (1971)