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NSR database version of May 3, 2024.

Search: Author = L.J.Allen

Found 19 matches.

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1996BE25      Phys.Rev. C54, 822 (1996)

M.T.Bennett, C.Steward, K.Amos, L.J.Allen

Effects of Systematic Errors in Analyses of Nuclear Scattering Data

NUCLEAR REACTIONS 12C(p, p), E=200 MeV; 16O(16O, 16O), E=350 MeV; 12C(12C, 12C), E=288.6 MeV; analyzed σ(θ); deduced S-function fits, systematic errors effects. Inverse scattering theory interaction potentials.

doi: 10.1103/PhysRevC.54.822
Citations: PlumX Metrics


1995ST01      Phys.Rev. C51, 836 (1995)

C.Steward, H.Fiedeldey, K.Amos, L.J.Allen

Ambiguities in Strong Absorptionlike S Functions and in the Corresponding Potentials for Heavy-Ion Collisions

NUCLEAR REACTIONS 208Pb(12C, 12C), E=1449 MeV; 16O(12C, 12C), E=1503 MeV; calculated σ(θ); deduced model parameters. Fixed energy inverse scattering theory, semi-classical WKB method.

doi: 10.1103/PhysRevC.51.836
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1994AL11      Phys.Rev. C49, 2177 (1994)

L.J.Allen, K.Amos, P.J.Dortmans

Quantal Inversion of the Cross Section for the Elastic Scattering of 200 MeV Protons from 12C

NUCLEAR REACTIONS 12C(p, p), E=200 MeV; analyzed σ(θ). Fixed energy quantal inverse scattering theory.

doi: 10.1103/PhysRevC.49.2177
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1994AL16      Phys.Rev. C49, 3331 (1994)

L.J.Allen, K.Amos, L.Berge, H.Fiedeldey

Approximation for the Algebraic S Matrix with an Angular Momentum Dependent Potential Parameter

NUCLEAR REACTIONS 208Pb(12C, 12C), E=1.449, 2.4 GeV; analyzed σ data; deduced algebraic potential parameters. Algebraic S-matrix approximated by angular momentum dependent potential parameter.

doi: 10.1103/PhysRevC.49.3331
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1993AL01      Phys.Lett. 298B, 36 (1993)

L.J.Allen, L.Berge, C.Steward, K.Amos, H.Fiedeldey, H.Leeb, R.Lipperheide, P.Frobrich

An Optical Potential from Inversion of the 350 MeV 16O-16O Scattering Data

NUCLEAR REACTIONS 16O(16O, 16O), E=350 MeV; analyzed σ(θ); deduced optical potential. Quantal inversion of data, S-matrix fit.

doi: 10.1016/0370-2693(93)91702-O
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1993AM04      Phys.Rev. C47, 2827 (1993)

K.Amos, L.Berge, L.J.Allen, H.Fiedeldey

Algebraic and Coordinate Space Potentials from Heavy Ion Scattering

NUCLEAR REACTIONS 208Pb(12C, 12C), E=0.125-2.4 GeV; 208Pb(14N, 14N), E=147 MeV; 208Pb(16O, 16O), E=170 MeV; calculated S-functions; deduced scattering potentials. Inversion scheme.

doi: 10.1103/PhysRevC.47.2827
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1992AL13      J.Phys.(London) G18, L179 (1992)

L.J.Allen, K.Amos, H.Fiedeldey

On Semiclassical Inversion of Heavy-Ion Scattering Phase Shifts

NUCLEAR REACTIONS 90Zr(12C, 12C), E=420 MeV; 208Pb(12C, 12C), E=125, 420 MeV; 208Pb(16O, 16O), E=170 MeV; calculated deflection function. Semi-classical inversion procedure.

doi: 10.1088/0954-3899/18/9/004
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1992LE08      Phys.Rev. C45, 2919 (1992)

H.Leeb, C.Steward, K.A.Amos, L.J.Allen

Strong Absorption Model and Its Associated Potential

NUCLEAR REACTIONS 208Pb(12C, 12C), E=1449 MeV; analyzed σ(θ); deduced model potential features. Strong absorption model.

doi: 10.1103/PhysRevC.45.2919
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1991AL16      Phys.Rev. C44, 1606 (1991)

L.J.Allen, H.Fiedeldey, S.A.Sofianos, K.Amos, C.Steward

Heavy-Ion Potentials Derived from Strong-Absorption-Model Parametrizations of the Scattering Function

NUCLEAR REACTIONS 12C(12C, 12C), E=360 MeV; 40Ca(16O, 16O), E=1503 MeV; calculated potentials vs inter-nuclear separation, S-functions. Strong absorption model, inverse scattering problem.

doi: 10.1103/PhysRevC.44.1606
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1991ST07      Phys.Rev. C44, 1493 (1991)

C.Steward, K.Amos, H.Leeb, L.J.Allen, H.Fiedeldey, S.A.Sofianos

Mass and Charge Attributes of Heavy Ion Potentials Obtained by Inversion

NUCLEAR REACTIONS 12C, 40Ca, 90Zr, 208Pb(16O, 16O), E=1503 MeV; calculated S-function. 208Pb(16O, 16O), E=1.503 GeV; calculated σ(θ). WKB inverse scattering model.

doi: 10.1103/PhysRevC.44.1493
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1990AL10      Phys.Rev. C41, 2021 (1990)

L.J.Allen, K.Amos, C.Steward, H.Fiedeldey

12C-12C Potential by Inversion

NUCLEAR REACTIONS 12C(12C, 12C), E=0.36-2.4 GeV; analyzed σ(θ); deduced 12C-12C interaction potential. WKB inverse scattering theory, parametrised S-function.

doi: 10.1103/PhysRevC.41.2021
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1990AM02      Phys.Rev.Lett. 64, 625 (1990)

K.Amos, L.Berge, H.Fiedeldey, I.Morrison, L.J.Allen

Algebraic Scattering Theory for Heavy Ions

NUCLEAR REACTIONS 12C(12C, 12C), E=1.016 GeV; analyzed data; deduced algebraic potential functions.

doi: 10.1103/PhysRevLett.64.625
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1986CO17      J.Phys.(London) G12, L291 (1986)

S.G.Cooper, M.W.Kermode, L.J.Allen

Optical Potential for 12 - 12C Scattering at 1016 MeV Obtained by Inversion

NUCLEAR REACTIONS 12C(12C, 12C), E=1016 MeV; calculated potential parameters vs ion-ion separation distance. Inverse scattering method, WKB approximation.

doi: 10.1088/0305-4616/12/12/005
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1986FI05      Phys.Rev. C33, 1581 (1986)

H.Fiedeldey, S.A.Sofianos, L.J.Allen, R.Lipperheide

Determination of Nonlocal Potentials from the Phase Shifts

NUCLEAR REACTIONS 40Ca(n, n), E=20, 50, 100 MeV; calculated phase shifts; deduced nonlocal potentials. WKB approximation.

doi: 10.1103/PhysRevC.33.1581
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1985SO06      Phys.Rev. C31, 2300 (1985)

S.A.Sofianos, H.Fiedeldey, L.J.Allen, R.Lipperheide

Equivalent Local Potentials for Nucleon-Alpha Scattering

NUCLEAR REACTIONS 4He(n, n), E=15-25 MeV; calculated equivalent local potentials.

doi: 10.1103/PhysRevC.31.2300
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1982AL04      Phys.Lett. 109B, 259 (1982)

L.J.Allen, M.W.Kermode

The Determination of the Deuteron Asymptotic D- to S-Ratio from Elastic dp Scattering

NUCLEAR REACTIONS 2H(p, p), E=not given; analyzed data. 2H deduced asymptotic D- to S-state ratio.

doi: 10.1016/0370-2693(82)90430-0
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1982KE03      J.Phys.(London) G8, L71 (1982)

M.W.Kermode, L.J.Allen, J.P.McTavish

On the Determination of the Asymptotic D- to S-State Ratio of the Deuteron Wavefunction from Sub-Coulomb (d, p) Measurements

NUCLEAR STRUCTURE 2H; calculated asymptotic D- to S-state ratio; deduced bounds.

doi: 10.1088/0305-4616/8/6/004
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1981AL14      J.Phys.(London) G7, 1367 (1981)

L.J.Allen, J.P.McTavish, M.W.Kermode, A.McKerrell

The Root-Mean-Square Radius of the Deuteron

NUCLEAR STRUCTURE 2H; calculated rms, charge radii. Model-dependent, model-independent analyses.

doi: 10.1088/0305-4616/7/10/014
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1981KE13      Z.Phys. A303, 167 (1981)

M.W.Kermode, A.McKerrell, J.P.McTavish, L.J.Allen

The Asymptotic S-State Amplitude of the Deuteron Wave Function

NUCLEAR STRUCTURE 2H; calculated asymptotic S-state amplitude bounds, meson exchange current, relativistic effect, isobar contribution limits to quadrupole moment. Impulse approximation, different realistic interactions.

doi: 10.1007/BF01420275
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