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NSR database version of April 27, 2024.

Search: Author = W.P.Beres

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1990KH05 Phys.Rev. C42, 1768 (1990)

S.A.Khan, W.P.Beres

Semistatistical Model for ¹²C + ¹²C Reaction Cross Sections Below the Coulomb Barrier

NUCLEAR REACTIONS, ICPND ¹²C(¹²C, α), (¹²C, p), (¹²C, n), E < Coulomb barrier; calculated σ(E). Semi-statistical model.

doi: 10.1103/PhysRevC.42.1768
Citations: PlumX Metrics

1989KH02 Phys.Rev. C39, 897 (1989)

S.A.Khan, W.P.Beres

¹²C + ¹²C Structure Factor at Sub-Coulomb Energies

NUCLEAR REACTIONS ¹²C(¹²C, X), E < 6 MeV; calculated modified structure factor.

doi: 10.1103/PhysRevC.39.897
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1988KH07 Phys.Rev. C37, 2515 (1988)

S.A.Khan, W.P.Beres

Projection Operator Model for Heavy-Ion Resonance Parameters below the Coulomb Barrier and Its Application to ¹²C + ¹²C

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), E(cm)=2.91-6 MeV; calculated intermediate resonances, Γ. Generalized doorway formalism.

doi: 10.1103/PhysRevC.37.2515
Citations: PlumX Metrics

1988KH09 Phys.Rev. C38, 1488 (1988)

S.A.Khan, W.P.Beres

Perturbative Treatment of Imaginary Potential in ¹²C + ¹²C

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), E(cm)=3.8-6 MeV; calculated L=2 phase shifts; deduced exact, approximate estimates comparison. Perturbative treatment.

doi: 10.1103/PhysRevC.38.1488
Citations: PlumX Metrics

1986KH04 Phys.Rev. C33, 2028 (1986)

S.A.Khan, W.P.Beres

Projection Operator Method for Resonances in Repulsive Core Potentials

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), E(cm)=5.8-7 MeV; calculated l=0-8 resonance energies, widths. ²⁴Mg deduced resonances, Γ. Projection operators, comparison to phase shift analysis.

doi: 10.1103/PhysRevC.33.2028
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1985KH05 Phys.Rev. C32, 871 (1985)

S.A.Khan, W.P.Beres

²⁸Si + ²⁸Si Elastic Scattering in the Doorway Model

NUCLEAR REACTIONS ²⁸Si(²⁸Si, ²⁸Si), E=100-200 MeV; analyzed σ(θ). ⁵⁶Ni deduced doorway structure. Projection operator method, projectile, target excitation, sudden approximation.

doi: 10.1103/PhysRevC.32.871
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1982AH02 Phys.Rev. C25, 833 (1982)

M.U.Ahmed, W.P.Beres, T.L.Larry

Inelastic Light Ion Scattering and Application to ¹²C + ¹²C

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C'), E(cm)=10-30 MeV; calculated σ(E). Projector operator method, broad, intermediate structures.

doi: 10.1103/PhysRevC.25.833
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1982AH03 Phys.Rev. C25, 1058 (1982)

M.U.Ahmed, W.P.Beres

Cross Section for ¹²C + ¹²C → ¹²C(0⁺₂) + ¹²C(g.s.) using Breathing Mode Doorways

NUCLEAR REACTIONS, ICPND ¹²C(¹²C, ¹²C'), E(cm)=10-30 MeV; calculated σ(E). ²⁴Mg deduced resonances, J, π, escape width. Projection operator technique, breathing mode doorways.

doi: 10.1103/PhysRevC.25.1058
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1980LA09 Phys.Rev. C21, 2126 (1980)

T.L.Larry, W.P.Beres

Projection Operator Method for Heavy Ion Reactions and Application to ¹²C + ¹²C

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), E=10-30 MeV; calculated σ(E, θ). Intermediate structure theory, projection operator.

doi: 10.1103/PhysRevC.21.2126
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1980LA10 Phys.Rev. C21, 2675 (1980)

T.L.Larry, W.P.Beres

Projection Operator Method for Finding Energies and Widths of Shape Resonances in Heavy-Ion Collisions

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), E=low; calculated shape resonances, Γ. Projection operator method.

doi: 10.1103/PhysRevC.21.2675
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1980LA16 Phys.Rev. C22, 1145 (1980)

T.L.Larry, W.P.Beres

Analysis of Heavy Ion Reactions Using Projection Operators

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), E(cm)=10-30 MeV; ¹²C(¹⁶O, ¹⁶O), E(cm)=18-26 MeV; analyzed σ(θ). ²⁴Mg, ²⁸Si deduced resonances, J, π, Γ. Feshbach doorway formalism.

doi: 10.1103/PhysRevC.22.1145
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1977LE19 Ann.Phys.(New York) 106, 322 (1977)

A.Lev, W.P.Beres

Valence-Doorway Model for Radiative Capture

NUCLEAR REACTIONS ^92,98Mo(n, γ); calculated σ.

doi: 10.1016/0003-4916(77)90314-1
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1976LE10 Phys.Rev. C13, 2585 (1976)

A.Lev, W.P.Beres

Doorway Effects in the ²⁰⁶Pb(n, γ)²⁰⁷Pb Cross Section

NUCLEAR REACTIONS ²⁰⁶Pb(n, γ), E=0-2 MeV; calculated σ for S-waves. Particle-vibration doorways.

doi: 10.1103/PhysRevC.13.2585
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1976LE21 Phys.Rev. C14, 354 (1976)

A.Lev, W.P.Beres

Projection Operator Treatment of Single-Particle Resonances

NUCLEAR STRUCTURE ⁴⁰Ca; calculated single-particle resonances.

doi: 10.1103/PhysRevC.14.354
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1975LE17 Phys.Lett. 58B, 263 (1975)

A.Lev, W.P.Beres

Local Energy-Dependent Imaginary Optical Potential

NUCLEAR STRUCTURE ²⁰⁸Pb; calculated potential.

doi: 10.1016/0370-2693(75)90647-4
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1974LE10 Phys.Rev. C9, 2416 (1974)

A.Lev, W.P.Beres, M.Divadeenam

Complex Nonlocal Optical Potential for Neutron Scattering from ²⁰⁸Pb

NUCLEAR REACTIONS ²⁰⁸Pb(n, n), E=0-12 MeV; calculated nonlocal imaginary optical potential, absorption. Comparison with experiment, with a local imaginary potential. Particle-vibration doorways.

doi: 10.1103/PhysRevC.9.2416
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1974LE21 Phys.Rev. C10, 1223 (1974)

A.Lev, W.P.Beres

Imaginary Optical Potential in ²⁰⁶Pb and its Comparison to ²⁰⁸Pb

NUCLEAR REACTIONS ^206,208Pb(n, γ), E=0-12 MeV; calculated imaginary optical potential, σ(E).

doi: 10.1103/PhysRevC.10.1223
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1974MA20 Nucl.Phys. A225, 61 (1974)

A.D.MacKellar, R.E.Schenter, H.M.Schadel, A.Lev, W.P.Beres

Complex Local Equivalents to Imaginary Non-Local Potentials: Neutron Scattering from ²⁰⁸Pb

NUCLEAR REACTIONS ²⁰⁸Pb(n, n); calculated σ(E), local potential.

doi: 10.1016/0375-9474(74)90365-0
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1973BE03 Phys.Rev. C7, 862 (1973)

W.P.Beres, M.Divadeenam

Gamma Decay of a Neutron Doorway Resonance

NUCLEAR STRUCTURE ²⁰⁷Pb; analyzed neutron doorway resonance. Particle-vibration model.

doi: 10.1103/PhysRevC.7.862
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1973DI10 Phys.Rev. C8, 1123 (1973)

M.Divadeenam, W.P.Beres

Nuclear Spreading Widths of Particle-Vibration 1/2⁺ Doorway Resonances in ²⁰⁷Pb and ²⁰⁹Pb

NUCLEAR STRUCTURE ^207,209Pb; calculated nuclear spreading widths, level-width.

doi: 10.1103/PhysRevC.8.1123
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1973DI16 Ann.Phys.(New York) 80, 231 (1973)

M.Divadeenam, W.P.Beres, H.W.Newson

S- and P-Wave Neutron Spectroscopy. Part Xd; Intermediate Structure, Particle-Vibration States

NUCLEAR STRUCTURE ^208,209Pb, ²¹⁰Bi; calculated resonances, level-width.

doi: 10.1016/0003-4916(73)90105-X
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1973LE12 Phys.Rev.Lett. 31, 555 (1973)

A.Lev, W.P.Beres, M.Divadeenam

Imaginary Optical Potential for the Compound Nucleus ²⁰⁹Pb

NUCLEAR REACTIONS ²⁰⁸Pb(n, γ), E=0-12 MeV; measured nothing, calculated σ(E), absorption σ, imaginary optical potential.

doi: 10.1103/PhysRevLett.31.555
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1973LE25 Phys.Lett. 47B, 408 (1973)

A.Lev, W.P.Beres, M.Divadeenam

Nuclear Spreading of an Anti-Analog State in ²⁰⁹Bi

NUCLEAR STRUCTURE ²⁰⁹Bi; calculated spread width for antianalog state.

doi: 10.1016/0370-2693(73)90099-3
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1972BE18 Lett.Nuovo Cim. 3, 653 (1972)

W.P.Beres, D.A.Voges

Antianalogue States in ²⁰⁹Bi

NUCLEAR STRUCTURE ²⁰⁹Bi; calculated isobaric analog resonances, level-width, anti-analog states.

doi: 10.1007/BF02756404
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1972BE32 Phys.Rev. C6, 284 (1972)

W.P.Beres, D.A.Voges

Compound Spreading Widths for Bi²⁰⁹ Analog Resonances

NUCLEAR STRUCTURE ²⁰⁹Bi; calculated compound spreading widths for analog resonances. De Toledo Piza-Kerman scheme.

doi: 10.1103/PhysRevC.6.284
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1972DI08 Ann.Phys.(New York) 69, 428 (1972)

M.Divadeenam, W.P.Beres, H.W.Newson

S- and P-Wave Neutron Spectroscopy, Part Xa: Intermediate Structure, 21-1h States

doi: 10.1016/0003-4916(72)90184-4
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1971BE08 Phys.Rev. C3, 952 (1971)

W.P.Beres, W.E.Dorenbusch

Comments on Intermediate-Coupling and Additional Excitation Modes

NUCLEAR STRUCTURE ⁵¹Ti, ⁵³Cr; calculated levels. Intermediate-coupling model extensions.

doi: 10.1103/PhysRevC.3.952
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1970BE38 Phys.Rev.Lett. 25, 596 (1970)

W.P.Beres, M.Divadeenam

Particle-Vibration Doorway Resonance in Pb²⁰⁹

NUCLEAR REACTIONS ²⁰⁸Pb(n, n), E approx 0.5 MeV; measured nothing; analyzed σ(E). ²⁰⁹Pb deduced particle-vibration doorway resonance, level-width.

doi: 10.1103/PhysRevLett.25.596
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1970BE55 Phys.Rev. C2, 2453 (1970)

W.P.Beres, W.E.Dorenbusch

Beta Decay as a Test of the Sr⁸⁸ 3^- Wave Function

RADIOACTIVITY ⁸⁸Rb; calculated log ft. ⁸⁸Sr tested ground state wave function.

doi: 10.1103/PhysRevC.2.2453
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1969DI12 Phys.Letters 30B, 598 (1969)

M.Divadeenam, W.P.Beres

Structure of ⁵¹Ti

NUCLEAR STRUCTURE ⁵¹Ti; calculated low-lying negative-parity states.

doi: 10.1016/0370-2693(69)90067-7
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1969SE03 Ann.Phys.(N.Y.) 51, 476 (1969)

D.L.Sellin, W.P.Beres, E.G.Bilpuch

Shell-Model Interpretation of the Resonances in ¹⁹F

NUCLEAR STRUCTURE ¹⁹F; calculated resonances; deduced analog states.

doi: 10.1016/0003-4916(69)90139-0
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1969WI03 Phys.Rev. 177, 1553(1969)

P.Wilhjelm, G.A.Keyworth, J.C.Browne, W.P.Beres, M.Divadeenam, H.W.Newson, E.G.Bilpuch

Experimental High-Resolution Investigation and Shell-Model Interpretation of the ⁴⁹Ca Ground-State Analog

NUCLEAR REACTIONS ⁴⁸Ca(p, p), (p, n), (p, nγ), E=1.93-2.01 MeV; measured σ(Ep; θ). ⁴⁹Sc deduced resonances, J, π, level-width, isobaric analog. Enriched target.

doi: 10.1103/PhysRev.177.1553
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1968BE12 Phys.Rev.Lett. 20, 938 (1968)

W.P.Beres, M.Divadeenam

Microscopic Calculation of the Y⁸⁹ Analog-State Escape and Damping Widths

NUCLEAR STRUCTURE ⁸⁹Y; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRevLett.20.938
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1968DI07 Phys.Rev.Letters 21, 379 (1968)

M.Divadeenam, W.P.Beres

Shell-Model Fragmentation of the Sc⁴⁹ Analog Levels

NUCLEAR STRUCTURE ⁴⁹Sc; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRevLett.21.379
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1967BE02 Nucl.Phys. A91, 529 (1967)