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NSR database version of May 24, 2024.

Search: Author = E.F.Khefter

Found 37 matches.

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1991AN05      Can.J.Phys. 69, 114 (1991)

G.S.Anagnostatos, T.S.Kosmas, E.F.Hefter, C.N.Panos

Semiclassical Approximation for the Isotopic Shift of Charge Radii in Ca Isotopes

NUCLEAR STRUCTURE 40,41,42,43,44,45,46,47,48Ca; analyzed isotope shift, rms charge, mass radii. Isomorphic shell model.

doi: 10.1139/p91-017
Citations: PlumX Metrics

1991SE12      Yad.Fiz. 54, 708 (1991); Sov.J.Nucl.Phys. 54, 429 (1991)

V.M.Semenov, Kh.M.Omar, K.A.Gridnev, E.F.Hefter

(6Li, d) Stripping into Cluster Resonance States

NUCLEAR REACTIONS 12C(6Li, d), E=26, 28 MeV; calculated σ(θ), correlation function W(θ1, θ2). Modified Vincent-Fortune method.

1989SE06      Phys.Rev. C40, 463 (1989)

V.M.Semjonov, H.M.Omar, K.A.Gridnev, E.F.Hefter

(6Li, d) Stripping into Unbound States

NUCLEAR REACTIONS 12C(6Li, d), E=28, 34 MeV; calculated σ(θ), αd(θ). Stripping to unbound states.

doi: 10.1103/PhysRevC.40.463
Citations: PlumX Metrics

1988SE07      Phys.Rev. C38, 765 (1988)

V.M.Semjonov, K.M.Omar, K.A.Gridnev, E.F.Hefter

Angular Correlation Function as a Detector for Two-Step Processes

NUCLEAR REACTIONS 12C(6Li, dα), E=34 MeV; calculated σ(θd, θα) following projectile breakup; deduced reaction mechanism, model parameters.

doi: 10.1103/PhysRevC.38.765
Citations: PlumX Metrics

1987SA55      Nuovo Cim. 98A, 529 (1987)

S.M.Saad, V.B.Subbotin, K.A.Gridnev, E.F.Hefter, V.M.Semjonov

The Orthogonality Condition Model Applied to (α, α) Scattering on 12C and 16O

NUCLEAR STRUCTURE 16O, 20Ne; calculated α-cluster states, Γ. Woods-Saxon potential.

NUCLEAR REACTIONS 12C(α, α), E=3.4-6.5 MeV; 16O(α, α), E=5.2-7.5 MeV; calculated σ(θ). Woods-Saxon potential, α-cluster compound states.

doi: 10.1007/BF02902010
Citations: PlumX Metrics

1986GR24      Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 1980 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.10, 107 (1986)

K.A.Gridnev, V.B.Subbotin, S.N.Fadeev, N.Z.Darvish, A.G.Ivanov, E.F.Khefter

Applicability of Schrodinger Nonlinear Equation for Interaction of Heavy Ions

NUCLEAR REACTIONS 16O(α, α), E ≤ 30 MeV; calculated interaction constant vs E. Nonlinear Schrodinger equation.

1986GR27      Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 959 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.5, 127 (1986)

K.A.Gridnev, A.G.Ivanov, S.N.Fadeev, E.F.Khefter

The Soliton Nature of Interference in Coulomb and Nuclear Excitation

NUCLEAR REACTIONS 52Cr, 60Ni(α, α'), E=10-20 MeV; calculated σ(E, θ), θ=25°; deduced interference effects. Coulomb, nuclear interactions.

1986HE20      Phys.Rev. C34, 1588 (1986)


Self-Energies of Nuclei and Real and Imaginary Optical Model Potentials

COMPILATION A=4-96; analyzed data, proton absorption potentials characteristics; deduced analytical formulas. Inverse mean field method.

doi: 10.1103/PhysRevC.34.1588
Citations: PlumX Metrics

1986HE26      Nuovo Cim. 95A, 63 (1986)

E.F.Hefter, I.A.Mitropolsky

Nuclear Single-Particle Energies as Functions of the Binding Energies

NUCLEAR STRUCTURE 12C, 16O, 28Si, 32S, 40Ca, 56Ni; calculated symmetrized energy spacings; 16O, 40Ca, 90Zr; calculated single particle energies; A=4-90; calculated neutron, proton level energies. Hartree-Fock approach.

doi: 10.1007/BF02768741
Citations: PlumX Metrics

1986HE27      Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 898 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.5, 66 (1986)

E.F.Hefter, K.A.Gridnev, A.G.Ivanov, V.B.Subbotin, V.M.Semenov

Systematic Study of Relative Nuclear Radii

NUCLEAR STRUCTURE 87,88,89,90,91,92,93,94,95,96Zr, 112,113,114,115,116,117,118,119,120,121,122,123Sn, 167,168,169,170,171,172,173,174,175,176,177,178Yb, 194,195,196,197,198,199,200,201,202,203,204,205,206Hg; analyzed rms charge radii; deduced systematics.

1986MI24      Nuovo Cim. 93A, 135 (1986)

K.Mikulas, K.A.Gridnev, E.F.Hefter, V.M.Semjonov, V.B.Subbotin

Elastic Scattering of Heavy Ions and Energy Storing in Compressed Nuclear Matter

NUCLEAR REACTIONS 12C(α, α), E=2.8-9.33 MeV; 12C(6Li, 6Li), (9Be, 9Be), 13C, 16O(7Be, 7Be), E=28.1-30.6 MeV; calculated σ(θ); deduced consistent nuclear compressibility modulus. Nonlinear Schrodinger equation.

doi: 10.1007/BF02819987
Citations: PlumX Metrics

1984HE09      Phys.Lett. 141B, 5 (1984)


Mass Dependence of the Real Optical Model Potential for Nucleon-Nucleus Scattering

NUCLEAR STRUCTURE A=4-250; calculated volume integrals per nucleon; deduced real optical model potential parameter mass dependence. Analytical Bargmann potentials, inverse methods.

doi: 10.1016/0370-2693(84)90546-X
Citations: PlumX Metrics

1984HE17      Phys.Rev. C30, 2042 (1984)

E.F.Hefter, M.de Llano, I.A.Mitropolsky

Inverse Methods and Nuclear Radii

NUCLEAR STRUCTURE A=5-16; calculated radius vs mass. 110,111,112,115,117,118,119,120,121,122,123,124,125,126Sn; calculated radii difference relative to 116Sn. 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,209,210,211,212,213,214Pb; calculated radii difference relative to 208Pb. Xe, Nd, Dy, Yb, Os, Pu; calculated radii differences relative to 132Xe, 150Nd, 162Dy, 174Yb, 192Os, 238Pu respectively. Inverse method, bound state problem.

doi: 10.1103/PhysRevC.30.2042
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1984SE20      Nuovo Cim. 84A, 89 (1984)

V.M.Semjonov, K.A.Gridnev, E.F.Hefter, H.M.Omar, S.Saad, V.B.Subbotin

Towards a Microscopic Description of (6Li, d) Reactions

NUCLEAR REACTIONS 12C(6Li, d), E=18-28 MeV; calculated σ(θ); deduced parameter dependence. Zero-, finite-range DWBA, orthogonality condition, resonating group models.

1983GR18      Aust.J.Phys. 36, 155 (1983)

K.A.Gridnev, E.F.Hefter, K.Mikulas, V.M.Semjonov, V.B.Subbotin

Elastic Scattering of Heavy Ions and the Compressibility of Nuclear Matter

NUCLEAR REACTIONS 16O(9Be, 9Be), E=27 MeV; calculated σ(θ); deduced nuclear compressibility modulus. Nonlinear Schrodinger equation.

1983SU11      Phys.Rev. C28, 1618 (1983); Erratum Phys.Rev. C30, 738 (1984)

V.B.Subbotin, V.M.Semjonov, K.A.Gridnev, E.F.Hefter

Resonating Group Method as Applied to the Spectroscopy of α-Transfer Reactions

NUCLEAR REACTIONS 16O(6Li, d), E=20-32 MeV; calculated σ(θ), α-spectroscopic factors. Resonating group wave functions, zero-range DWBA.

NUCLEAR STRUCTURE 20Ne; calculated B(E2), α-reduced widths. Resonating group method.

doi: 10.1103/PhysRevC.28.1618
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1982HE11      Nuovo Cim. 72A, 1 (1982)


A Semi-Empirical View at Fast Fission

NUCLEAR REACTIONS 26Mg(208Pb, F), E=1305 MeV; 27Al(208Pb, F), E=1349 MeV; 48Ca(208Pb, F), E=1060 MeV; 50Ti(208Pb, F), E=1187 MeV; 52Cr(208Pb, F), E=1240 MeV; 58Fe(208Pb, F), E=1242 MeV; 64Ni(208Pb, F), E=1275 MeV; calculated fast fission onset yield projectile energy, reduced mass dependences. Inverse mean field method.

doi: 10.1007/BF02784787
Citations: PlumX Metrics

1981GR17      Izv.Akad.Nauk SSSR, Ser.Fiz. 45, 134 (1981)

K.A.Gridnev, K.Mikulas, V.M.Semenov, E.F.Khefter

Angular Distribution of Heavy Ions and the Nonlinear Schrodinger Equation

NUCLEAR REACTIONS 12C(α, α), E=4.745-6, 6.25-9.33 MeV; 12C(6Li, 6Li), E=30.6 MeV; 16O(9Be, 9Be), E=27 MeV; 12C(9Be, 9Be), E=20 MeV; 13C(9Be, 9Be), E=28.1 MeV; analyzed σ(θ); deduced optical model parameters.

1981KN09      Z.Phys. A301, 277 (1981)

O.M.Knyazkov, E.F.Hefter

An Analytical Folding Potential for Deformed Nuclei

NUCLEAR REACTIONS 24Mg, 28Si, 32S(n, n), (α, α), E not given; calculated projectile-nucleus scattering form factor vs radial separation; deduced potential l-dependence. Analytical folding model.

doi: 10.1007/BF01416304
Citations: PlumX Metrics

1980GR17      Izv.Akad.Nauk SSSR, Ser.Fiz. 44, 649 (1980); Bull.Acad.Sci.USSR, Phys.Ser. 44, No.3, 179 (1980)

K.A.Gridnev, N.Z.Darvish, K.Mikulas, V.M.Semenov, V.B.Subbotin, E.F.Hefter

Elastic Scattering of Alpha Particles and the Nonlinear Schroedinger Equation

NUCLEAR REACTIONS 59Co(α, α), E=23-28 MeV; analyzed σ(θ, E); deduced role of effective surface potential. Nonlinear Schroedinger equation, average optical model parameters.

1979ES06      Atomkernenergie 34, 131 (1979)

H.Essen, E.F.Hefter

Correlations between Deformation Parameters from (α, α') Experiments

NUCLEAR REACTIONS 232Th, 234,236,238U(α, α'), E=50 MeV; measured σ(θ). 232Th, 234,236,238U levels deduced charge, potential deformations. Coupled channels analysis.

1979HE04      Lett.Nuovo Cim. 24, 425 (1979)


On the Spin-Orbit Interaction in Inelastic Proton Scattering at E = 150 MeV

NUCLEAR REACTIONS 16O(p, p), (p, p'), E=150 MeV; calculated σ(θ); deduced suitability of collective, microscopic models for discussion of spin-orbit terms.

doi: 10.1007/BF02727495
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1978DE03      J.Phys.(London) G4, 125 (1978)

D.S.Delton, K.A.Gridnev, E.F.Hefter, V.M.Semjonov

The Non-Linear Schrodinger Equation and Anomalous Backward Scattering

NUCLEAR REACTIONS 12C(16O, 16O), E=42 MeV; 12C(6Li, 6Li), E=30.6 MeV; calculated σ(θ).

doi: 10.1088/0305-4616/4/1/013
Citations: PlumX Metrics

1978GR16      Izv.Akad.Nauk SSSR, Ser.Fiz. 42, 1540 (1978); Bull.Acad.Sci.USSR, Phys.Ser. 42, No.7, 164 (1978) (1978)

K.A.Gridnev, V.M.Semenov, E.F.Hefter

Analysis of 14N(d, p)15N Stripping

NUCLEAR REACTIONS 14N(d, p), E=12, 31, 52 MeV; analyzed σ(θ). Distorted wave method in momentum space, adiabatic approximations.

1978GR21      Izv.Akad.Nauk SSSR, Ser.Fiz. 42, 127 (1978); Bull.Acad.Sci.USSR, Phys.Ser. 42, No.1, 107 (1978)

K.A.Gridnev, D.Doru, V.M.Semenov, E.F.Khefter

Nonlinear Schrodinger Equation and Anomalous Backscattering

NUCLEAR REACTIONS 12C(16O, 16O), E=42 MeV; 12C(6Li, 6Li), E=30.6 MeV; calculated σ(θ); deduced anomalous backscattering due to nonlinear term in Schrodinger equation.

1978GR22      Izv.Akad.Nauk SSSR, Ser.Fiz. 42, 2361 (1978); Bull.Acad.Sci.USSR, Phys.Ser. 42, No.11, 124 (1978)

K.A.Gridnev, N.Z.Darvish, A.S.Demyanova, V.M.Semenov, V.B.Subbotin, E.F.Khefter

Parabolic Repulsion Potential for the Description of the Scattering of 6Li and 9Be Ions by Light and Medium Nuclei

NUCLEAR REACTIONS 16O, 12C(9Be, 9Be), E=27 MeV; 12C(9Be, 9Be), E=40 MeV; 28Si, 40Ca(6Li, 6Li), E=30.6 MeV; calculated σ(θ). Optical model, parabolic repulsion potential.

1978HE03      Z.Phys. A284, 413 (1978)

E.F.Hefter, H.V.Geramb, F.Osterfeld, T.Udagawa

Two-Step Processes in Inelastic Proton Scattering

NUCLEAR REACTIONS 16O, 40Ca(p, p'), 16O(p, d), E=25-46 MeV; calculated σ(θ). Reaction mechanism study.

doi: 10.1007/BF01422110
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1977BA12      Lett.Nuovo Cim. 18, 227 (1977)

A.I.Baz, V.Z.Goldberg, N.Z.Darwisch, K.A.Gridnev, V.M.Semjonov, E.F.Hefter

A Potential for Alpha-Particle-Nucleus Scattering

NUCLEAR REACTIONS 12C, 16O(α, α), E < 20 MeV; calculated σ(E, θ).

doi: 10.1007/BF02909678
Citations: PlumX Metrics

1977BA17      Z.Phys. A280, 171 (1977)

A.I.Baz, V.Z.Goldberg, K.A.Gridnev, V.M.Semjonov, E.F.Hefter

A Potential for the Description of Alpha-Alpha Interactions

NUCLEAR REACTIONS 4He(α, α); calculated potential.

doi: 10.1007/BF01409546
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1977DA20      Nuovo Cim. 42A, 303 (1977)

N.Z.Darwisch, K.A.Gridnev, E.F.Hefter, V.M.Semjonov

A Global Potential for the Interaction of Alpha-Particles with Light Nuclei

NUCLEAR REACTIONS 12C(α, α), E=2.8-6.5 MeV; calculated potential.

1977HE01      Nucl.Phys. A275, 212 (1977)

E.F.Hefter, E.T.Boschitz, V.Heidt, C.Weddigen

The Conventional DWBA and the Impulse Approximation for 14N(d, p0)15N at E = 52 MeV

NUCLEAR REACTIONS 14N(d, p0), E=52 MeV; measured σ(θ). 15N deduced spectroscopic amplitude. DWBA, impulse approximation. Gas target.

doi: 10.1016/0375-9474(77)90284-6
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1976AN21      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 2205 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.10, 154 (1976)

A.E.Antropov, V.P.Gusev, P.P.Zarubin, P.D.Ioannu, B.N.Orlov, E.F.Khefter

Analysis of the Scattering of Protons Having an Energy of 6 MeV by Nuclei of Intermediate Atomic Weight

NUCLEAR STRUCTURE 48Ti, 50,52,54Cr, 56,58Fe, 64Ni, 68,70Zn; analyzed elastic, inelastic proton scattering; deduced β2.

1976DA17      Z.Phys. A278, 281 (1976)

P.David, J.Debrus, H.Essen, F.Lubke, H.Mommsen, R.Schoenmackers, W.Soyez, H.V.v.Geramb, E.F.Hefter

Elastic and Inelastic 4He-Scattering on 208Pb, 232Th and 234,236,238U

NUCLEAR REACTIONS 208Pb, 232Th, 234,236,238U(α, α), (α, α'), measured E=50 MeV; measured σ(θ). 232Th, 234,236,238U deduced β.

doi: 10.1007/BF01409180
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6114.

1976HE17      Acta Phys.Pol. B7, 427 (1976)

E.F.Hefter, V.M.Semjonov

Phase Relations in (d, p) Reactions

NUCLEAR REACTIONS 12C(d, p), E ≤ 20 MeV; calculated σ(Ep, θ).

1975GO27      Phys.Lett. 58B, 405 (1975)

V.Z.Goldberg, K.A.Gridnev, E.F.Hefter, B.G.Novatskii

Exchange Effects in the Scattering of α-Particles and Deuterons by 6Li

NUCLEAR REACTIONS 6Li(α, α), E=36.6 MeV; 6Li(d, d), E=19.6 MeV; calculated σ(θ); deduced optical model parameters.

doi: 10.1016/0370-2693(75)90572-9
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1975GR12      Z.Phys. A273, 99 (1975)

K.A.Gridnev, E.F.Hefter

On the Sudden Approximation as Applied to (d, p) Reactions

NUCLEAR REACTIONS 12C(d, p), E=12 MeV; calculated σ(Ep, θ), sudden approximation.

doi: 10.1007/BF01435765
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1972GO08      Phys.Lett. 38B, 379 (1972)

L.J.B.Goldfarb, E.F.Hefter

Application of the Sudden Approximation to the 12C(d, p0)13C Reaction

NUCLEAR REACTIONS 12C(d, p0), E=51 MeV; calculated σ(θ), P(θ). Sudden approximation.

doi: 10.1016/0370-2693(72)90161-X
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Note: The following list of authors and aliases matches the search parameter E.F.Khefter: E.F.HEFTER, E.F.KHEFTER