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Search: Author = A.Gavron

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1994LE01      Phys.Rev. C49, 372 (1994)

J.P.Lestone, A.Gavron

Statistical Model Analysis of Fast-Neutron-Induced Fission of U Isotopes

NUCLEAR REACTIONS 232,233,234,235,236,238U(n, F), E ≤ 20 MeV; analyzed fission σ(E). 235,238U(n, 2n), (n, 3n), E ≤ 20 MeV; analyzed σ(E); deduced γ-deformation associated collective level density enhancement washing out. Statistical model.

doi: 10.1103/PhysRevC.49.372
Citations: PlumX Metrics


1994LE11      Nucl.Sci.Eng. 116, 213 (1994)

J.P.Lestone, A.Gavron

Statistical Model Calculation of the 237U Fission Cross Section

NUCLEAR REACTIONS 232U(n, F), E < 10 MeV; 233,234,235,236,238U(n, F), E < 20 MeV; 237U(n, F), E ≤ 20 MeV; calculated fission σ(E). 238U(γ, F), E ≈ 5.5-10 MeV; calculated fission probability vs E. Statistical model.

doi: 10.13182/NSE94-A19814
Citations: PlumX Metrics


1994LE31      Yad.Fiz. 57, No 7, 1268 (1994); Phys.Atomic Nuclei 57, 1200 (1994)

J.P.Lestone, A.Gavron

Neutron-Induced Fission of Uranium Isotopes up to 100 MeV

NUCLEAR REACTIONS 232,233,234,235,236,238U(n, F), E ≤ 20 MeV; 238,235U(n, 2n), (n, 3n), E ≈ 5-20 MeV; analyzed fission, reaction σ(E); deduced scaling factor necessity, energy dependence. Nilsson model based state densities, spin cut-off parameters, statistical model.


1992BY01      Nucl.Instrum.Methods Phys.Res. A313, 457 (1992)

R.C.Byrd, W.C.Sailor, Y.Yariv, T.A.Carey, A.Gavron

Measurements and Calculations of the Gamma Response of Neutron Scintillators

RADIOACTIVITY 137Cs(β-); 22Na(β+), (EC); 203Hg(β-); measured detector γ-response. Neutron scintillators, organic scintillator based model simulations.

doi: 10.1016/0168-9002(92)90824-N
Citations: PlumX Metrics


1992PA23      Nucl.Instrum.Methods Phys.Res. A321, 376 (1992)

W.E.Parker, A.Gavron

Examination of Potential Improvements to High Energy Transport Codes

NUCLEAR REACTIONS 197Au(p, X)193Au/194Au/196Au, E=0.2-2.6 GeV; calculated residual production σ. Improved intranuclear cascade, evaporation models.

doi: 10.1016/0168-9002(92)90417-3
Citations: PlumX Metrics


1990GA11      Phys.Rev. C41, 2442 (1990)

A.Gavron, Y.Yariv

Cascade Calculation of Subthreshold π0 Production

NUCLEAR STRUCTURE A ≤ 200; calculated π0 production σ. Intranuclear cascade model.

doi: 10.1103/PhysRevC.41.2442
Citations: PlumX Metrics


1987GA01      Phys.Rev. C35, 579 (1987)

A.Gavron, A.Gayer, J.Boissevain, H.C.Britt, T.C.Awes, J.R.Beene, B.Cheynis, D.Drain, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, G.A.Petitt, C.Butler

Neutron Emission in the Fissioning 158Er Composite System

NUCLEAR REACTIONS 142Nd(16O, F), E=207 MeV; 134Ba(24Mg, F), 126Te(32S, F), E=180 MeV; 108Pd(50Ti, F), E=216 MeV; measured fission (fragment)n-coin. 158Er deduced fissioning characteristics. NE213 scintillators, tof. Model calculations.

doi: 10.1103/PhysRevC.35.579
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1986GA12      Phys.Lett. 176B, 312 (1986)

A.Gavron, A.Gayer, J.Boissevain, H.C.Britt, J.R.Nix, A.J.Sierk, P.Grange, S.Hassani, H.A.Weidenmuller, J.R.Beene, B.Cheynis, D.Drain, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, G.A.Petitt, C.Butler

Neutron Emission Prior to Fission

NUCLEAR REACTIONS 142Nd(16O, F), E=207 MeV; measured fission(fragment)n-coin, σ(En, θn); deduced post, prior fission neutron multiplicity relationship. 158Er deduced fission barrier, other parameters, reduced nuclear dissipation coefficient limit.

doi: 10.1016/0370-2693(86)90170-X
Citations: PlumX Metrics


1986GR09      Phys.Rev. C34, 209 (1986)

P.Grange, S.Hassani, H.A.Weidenmuller, A.Gavron, J.R.Nix, A.J.Sierk

Effect of Nuclear Dissipation on Neutron Emission Prior to Fission

NUCLEAR REACTIONS 142Nd(16O, F), E=207 MeV; calculated neutron emission multiplicity prior to fission. 158Er deduced saddle to scission time vs reduced dissipation coefficient, Γf vs t. Bohr-Wheeler statistical model.

doi: 10.1103/PhysRevC.34.209
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1985PE12      Phys.Rev. C32, 1572 (1985)

G.A.Petitt, A.Gavron, J.R.Beene, B.Cheynis, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, M.Jaaskelainen, D.G.Sarantites, C.F.Maguire

Neutron Emission in Inelastic Reactions of 12C + 158Gd and 20Ne + 150Nd

NUCLEAR REACTIONS 158Gd(12C, nX), E=192 MeV; 150Nd(20Ne, nX), E=176, 239 MeV; measured σ(En), σ(fragment θ, θn); deduced neutron emission mechanism differences.

doi: 10.1103/PhysRevC.32.1572
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1984GA03      Phys.Rev.Lett. 52, 589 (1984)

A.Gavron, P.Eskola, A.J.Sierk, J.Boissevain, H.C.Britt, K.Eskola, M.M.Fowler, H.Ohm, J.B.Wilhelmy, S.Wald, R.L.Ferguson

New Evaluation of Fission-Fragment Angular Distributions in Heavy-Ion Reactions

NUCLEAR REACTIONS 238U(16O, F), E=114, 140, 250 MeV; 238U, 174Yb(12C, F), E=95, 188 MeV; 198Pt(12C, F), E=95, 186 MeV; 192Os, 170Er, 142Nd(16O, F), E=140, 250 MeV; measured fission fragment σ(θ), yield anisotropies; deduced well defined fission barrier, saddle point K quantum number roles. Transition state model, other data analysis.

doi: 10.1103/PhysRevLett.52.589
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1984GA30      Phys.Rev. C30, 1550 (1984)

A.Gavron, J.Boissevain, H.C.Britt, K.Eskola, P.Eskola, M.M.Fowler, H.Ohm, J.B.Wilhelmy, T.C.Awes, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, S.Wald

Fission Cross Sections up to 20 MeV/Nucleon

NUCLEAR REACTIONS, ICPND 174Yb, 198Pt, 238U(12C, F), E=95-291 MeV; 142Nd, 170Er, 192Os, 238U(16O, F), E=140-315 MeV; 126Te, 144Nd, 238U(32S, F), E=350, 500, 700; 96Zr, 116Cd, 238U(58Ni, F), E=352, 875 MeV; measured fission σ(E), fragment σ(θ) anisotropy; deduced incomplete fusion reaction role.

doi: 10.1103/PhysRevC.30.1550
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0320.


1983GA01      Phys.Rev. C27, 450 (1983)

A.Gavron, J.R.Beene, B.Cheynis, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, G.A.Petitt, C.F.Maguire, D.G.Sarantites, M.Jaaskelainen, K.Geoffroy-Young

Systematics of Nonequilibrium Neutron Emission

NUCLEAR REACTIONS 158Gd(12C, xn), E=192 MeV; 150Nd(20Ne, xn), E=176, 239 MeV; measured neutron spectra; deduced nonequilibrium emission systematics. Moving hot source, Boltzmann master equation models.

doi: 10.1103/PhysRevC.27.450
Citations: PlumX Metrics


1983VA23      Phys.Rev. C28, 2022 (1983)

J.van der Plicht, H.C.Britt, M.M.Fowler, Z.Fraenkel, A.Gavron, J.B.Wilhelmy, F.Plasil, T.C.Awes, G.R.Young

Fission of Polonium, Osmium, and Erbium Composite Systems

NUCLEAR REACTIONS, ICPND 174Yb(16O, F), E=10 MeV/nucleon; 142Nd(16O, F), E=95-140 MeV; 134Ba(24Mg, F), E=120-180 MeV; 126Te(32S, F), E=150-220 MeV; 94Zr(64Ni, F), E=250, 270, 290 MeV; 177Hf(9Be, F), E=64-84 MeV; 174Yb(12C, F), E=65-120 MeV; 170Er(16O, F), E=80-150 MeV; 160Gd(26Mg, F), E=120-170 MeV; 198Pt(12C, F), E=55-120 MeV; 192Os(16O, F), E=78-150 MeV; 188Os(16O, F), (18O, F), E=80-140 MeV; measured fission σ(E). 158Er, 186Os, 210Po deduced fission barrier mass, angular momentum dependences.

doi: 10.1103/PhysRevC.28.2022
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0413.


1982BR22      Phys.Rev. C26, 1999 (1982)

H.C.Britt, B.H.Erkkila, A.Gavron, Y.Patin, R.H.Stokes, M.P.Webb, P.R.Christensen, O.Hansen, S.Pontoppidan, F.Videbaek, R.L.Ferguson, F.Plasil, G.R.Young, J.Randrup

Correlated Charge and Mass Distributions from Reactions of 56Fe with 58Ni, 64Ni, and 122Sn

NUCLEAR REACTIONS 58Ni(56Fe, X), E=315, 461 MeV; 64Ni(56Fe, X), E=464 MeV; 122Sn(56Fe, X), E=320, 460 MeV; measured σ(fragment θ) vs energy loss, fragment distribution first, second moments; deduced reaction mechanism. Transport theory.

doi: 10.1103/PhysRevC.26.1999
Citations: PlumX Metrics


1981GA01      Phys.Rev.Lett. 46, 8 (1981)

A.Gavron, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, G.A.Petitt, K.G.Young, D.G.Sarantites, C.F.Maguire

Neutron Emission in Deep-Inelastic Collisions of 16O on 93Nb at 204 MeV

NUCLEAR REACTIONS 93Nb(16O, nX), E=204 MeV; measured σ(En, θ), n(fragment)-coin; deduced nonequilibrium neutron emission in deep-inelastic reactions.

doi: 10.1103/PhysRevLett.46.8
Citations: PlumX Metrics


1981GA23      Phys.Rev.Lett. 47, 1255 (1981)

A.Gavron, J.R.Beene, B.Cheynis, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, G.A.Petitt, M.Jaaskelainen, D.G.Sarantites, C.F.Maguire

Time Scale of Fission at High Angular Momentum

NUCLEAR REACTIONS, Fission 158Gd(12C, nX), (12C, nF), E=192 MeV; 150Nd(20Ne, nX), (20Ne, nF), E=176, 239 MeV; measured σ(fragment θ, θn, En), σ(evaporation residue θ, θn, En); deduced neutron multiplicity, fragment temperature, fission time scale. Evaporation model.

doi: 10.1103/PhysRevLett.47.1255
Citations: PlumX Metrics


1981GA29      Phys.Rev. C24, 2048 (1981)

A.Gavron, J.R.Beene, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, G.A.Petitt, K.G.Young, M.Jaaskelainen, D.G.Sarantites, C.F.Maguire

Neutron Emission in 12C + 158Gd and 13C + 158Gd Reactions between 8 and 12 MeV/Nucleon

NUCLEAR REACTIONS 158Gd(12C, X), 157Gd(13C, X), E=8-12 MeV/nucleon; measured n(fragment)-coin, En, neutron multiplicities; deduced nonequilibrium component.

doi: 10.1103/PhysRevC.24.2048
Citations: PlumX Metrics


1980EY01      Phys.Rev. C21, 1377 (1980)

Y.Eyal, A.Gavron, I.Tserruya, Z.Fraenkel, Y.Eisen, S.Wald, R.Bass, C.R.Gould, G.Kreyling, R.Renfordt, K.Stelzer, R.Zitzmann, A.Gobbi, U.Lynen, H.Stelzer, I.Rode, R.Bock

Neutron Emission in Deep-Inelastic Collisions Induced by 86Kr on 166Er at 5.7, 7.0, and 7.9 MeV/Nucleon

NUCLEAR REACTIONS 166Er(86Kr, X), E=496, 602, 675 MeV; measured n(fragment)(fragment)-, (fragment)(fragment)-coin; deduced σ(En), out-of-plane neutron anisotropy, multiplicities. Statistical model.

doi: 10.1103/PhysRevC.21.1377
Citations: PlumX Metrics


1980GA02      Phys.Rev. C21, 230 (1980)

A.Gavron

Statistical Model Calculations in Heavy Ion Reactions

NUCLEAR REACTIONS 109Ag(40Ar, xn), (40Ar, xnα), E=169, 197, 236, 288 MeV; 118Sn(40Ar, xn), (40Ar, xnα), E=150-230 MeV; 124Sn(40Ar, xn), (40Ar, xnα), E=161, 189, 209, 236 MeV; 150Nd(20Ne, xn), (20Ne, xnα), E=128, 144, 163, 172 MeV; Te(40Ar, xn), (40Ar, xnα), E=157, 181 MeV; calculated σ(fusion), evaporation residue σ, σ(fission). Statistical model.

doi: 10.1103/PhysRevC.21.230
Citations: PlumX Metrics


1980YO07      Phys.Rev.Lett. 45, 1389 (1980)

G.R.Young, R.L.Ferguson, A.Gavron, D.C.Hensley, F.E.Obenshain, F.Plasil, A.H.Snell, M.P.Webb, C.F.Maguire, G.A.Petitt

Alpha-Particle Emission in Deeply Inelastic Reactions of 204-MeV 16O+93Nb

NUCLEAR REACTIONS 93Nb(16O, αX), E=204 MeV; measured σ(α-multiplicity, θα), α(12C)-coin. 58Ni(16O, αX), E=92 MeV; 197Au(16O, αX), E=310 MeV; analyzed data. Deep inelastic collision model, α-emission from accelerated fragments.

doi: 10.1103/PhysRevLett.45.1389
Citations: PlumX Metrics


1978BR07      Phys.Rev.Lett. 40, 1010 (1978)

H.C.Britt, A.Gavron, P.D.Goldstone, R.Schoenmackers, J.Weber, J.B.Wilhelmy

Yet More Complexity in Fission: Barriers for Nuclei with N = 150-154

NUCLEAR REACTIONS 244Pu, 246,248Cm, 250Cf(t, p), (d, p), (p, p'), E not given; measured fission probability distributions.

doi: 10.1103/PhysRevLett.40.1010
Citations: PlumX Metrics


1978EY01      Phys.Rev.Lett. 41, 625 (1978)

Y.Eyal, A.Gavron, I.Tserruya, Z.Fraenkel, Y.Eisen, S.Wald, R.Bass, G.R.Gould, G.Kreyling, R.Renfordt, K.Stelzer, R.Zitzmann, A.Gobbi, U.Lynen, H.Stelzer, I.Rode, R.Bock

Neutron Emission in Strongly Damped Collisions of 86Kr on 166Er at 602 MeV

NUCLEAR REACTIONS 166Er(86Kr, xn), E=602 MeV; measured neutron multiplicity.

doi: 10.1103/PhysRevLett.41.625
Citations: PlumX Metrics


1978TS04      Phys.Rev. C18, 1688 (1978)

I.Tserruya, Y.Eisen, D.Pelte, A.Gavron, H.Oeschler, D.Berndt, H.L.Harney

Total Fusion Cross Section for the 16O + 16O System

NUCLEAR REACTIONS 16O(16O, X), E=27-66 MeV; measured fusion σ(E); deduced barrier, critical parameters. Statistical model analysis.

doi: 10.1103/PhysRevC.18.1688
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1541.


1978WI12      S.Afr.J.Phys. 1, 116 (1978)

J.B.Wilhelmy, H.C.Britt, D.C.Hoffman, W.R.Daniels, E.Cheifetz, A.Gavron, J.Weber, E.K.Hulet, J.H.Landrum, R.W.Lougheed, J.F.Wild

Fission Properties of the Heavy Actinides

NUCLEAR REACTIONS 254Es(d, pF), (t, pF), E not given; measured fission barriers.

RADIOACTIVITY, Fission 256Cf(SF) [from 254Cf(t, p)]; 258Fm(SF) [from 255Es(α, n)258Md+electron capture]; 259Fm(SF) [from 257Fm(t, p)]; measured fragment mass distribution, average kinetic energy release.


1977GA09      Phys.Rev. C15, 2238 (1977)

A.Gavron, H.C.Britt, P.D.Goldstone, R.Schoenmackers, J.Weber, J.B.Wilhelmy

Γn/Γf in Heavy Actinides

NUCLEAR REACTIONS 244Pu, 245,246,248Cm, 249,250Cf(3He, d), (3He, t), E=8, 11 MeV; measured fission probability of compound systems 244,245Am, 245,246,247,248,249Bk, 249,250,251Es.

doi: 10.1103/PhysRevC.15.2238
Citations: PlumX Metrics


1977GA11      Phys.Rev.Lett. 38, 1457 (1977)

A.Gavron, H.C.Britt, P.D.Goldstone, J.B.Wilhelmy, S.E.Larsson

Complexity of the Potential-Energy Surface for Fission of 238U

NUCLEAR STRUCTURE 238U; calculated fission saddle points.

doi: 10.1103/PhysRevLett.38.1457
Citations: PlumX Metrics


1976GA01      Phys.Rev. C13, 98 (1976)

A.Gavron

(3He, 2p) Reaction on 208Pb

NUCLEAR REACTIONS 208Pb(3He, 2p), E=21-25 MeV; measured angular distribution, relative p-p energy; deduced p-p correlation.

doi: 10.1103/PhysRevC.13.98
Citations: PlumX Metrics


1976GA11      Phys.Rev. C13, 2374 (1976)

A.Gavron, H.C.Britt, E.Konecny, J.Weber, J.B.Wilhelmy

Γn/Γf for Actinide Nuclei Using (3He, df) and (3He, tf) Reactions

NUCLEAR STRUCTURE 230,231,232,233Pa, 231,232U, 233,234,235,236,237,238,239Np, 237,238Pu, 239,240,241,242,243Am, 241,242,243,244Cm; measured fission probability in 3He induced reactions; deduced barrier heights, average Γn/Γf.

NUCLEAR REACTIONS 230,232Th, 231Pa, 234,236,238U, 237Np, 239,241Pu, 241,243Am(3He, df), (3He, tf); 232U, 242Pu(3He, df); E=25 MeV; measured fission spectra; deduced barrier heights, average neutron-, fission-widths. 230,231,232,233Pa, 231,232U, 233,234,235,236,237,238,239Np, 237,238Pu, 239,240,241,242,243Am, 241,242,243,244Cm deduced fission probability.

doi: 10.1103/PhysRevC.13.2374
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0767.


1976GA13      Phys.Rev. C13, 2562 (1976)

A.Gavron

Angular Distribution of Neutrons from Fission Fragments

RADIOACTIVITY, Fission 252Cf(SF); calculated angular distribution of fission neutrons.

doi: 10.1103/PhysRevC.13.2562
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1976WE03      Phys.Rev. C13, 189 (1976)

J.Weber, B.R.Erdal, A.Gavron, J.B.Wilhelmy

Mass and Kinetic Energy Measurements of Fragments from the Isomeric and Excited State Fission of 242Am

RADIOACTIVITY, Fission 242mAm(SF); measured T1/2, σ(E(fragment mass)).

NUCLEAR REACTIONS 241Am(d, pF), E=15 MeV; measured σ(E(fragment mass)).

doi: 10.1103/PhysRevC.13.189
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14604.


1976WE13      Phys.Rev. C13, 2413 (1976)

J.Weber, H.C.Britt, A.Gavron, E.Konecny, J.B.Wilhelmy

Fission of 228Ra

NUCLEAR REACTIONS 226Ra(t, F), E=23 MeV; measured symmetric, asymmetric component fission probability; deduced fission barrier parameters, mass distributions.

doi: 10.1103/PhysRevC.13.2413
Citations: PlumX Metrics


1975GA01      Phys.Rev. C11, 580 (1975)

A.Gavron

Scission-Point Parameters Determined by Light Particle Emission in Fission of 252Cf

RADIOACTIVITY, Fission 252Cf(SF); calculated trajectory of light charged particles.

doi: 10.1103/PhysRevC.11.580
Citations: PlumX Metrics


1975GA02      Phys.Rev.Lett. 34, 827 (1975)

A.Gavron, H.C.Britt, E.Konecny, J.Weber, J.B.Wilhelmy

Measurement and Interpretation of Gamma(n)/Gamma(f) for Actinide Nuclei

NUCLEAR REACTIONS 232Th, 231Pa, 236U, 237Np, 240Pu, 241Am(3He, dF), (3He, tF). 232,233Pa, 231,232U, 236,237Np, 237,238Pu, 240,241Am, 241,242Cm; measured σ; deduced neutron-to-fission width.

doi: 10.1103/PhysRevLett.34.827
Citations: PlumX Metrics


1974GA02      Phys.Rev. C9, 632 (1974)

A.Gavron, Z.Fraenkel

Neutron Correlations in Spontaneous Fission of 252Cf

RADIOACTIVITY, Fission 252Cf(SF); measured variance, covariance of ν(A, E) of the two fragments.

doi: 10.1103/PhysRevC.9.632
Citations: PlumX Metrics


1974GA23      Phys.Rev. C10, 388 (1974)

A.Gavron, Y.Gazit

Spectrum of Protons in Fission of 252Cf

RADIOACTIVITY, Fission 252Cf(SF); measured Ep, Ip.

doi: 10.1103/PhysRevC.10.388
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1973NA23      Phys.Rev. C8, 2293 (1973)

E.Nardi, A.Gavron, Z.Fraenkel

Total Energy Associated with Prompt γ-Ray Emission in the Spontaneous Fission of 252Cf

RADIOACTIVITY, Fission 252Cf(SF); measured Eγ.

doi: 10.1103/PhysRevC.8.2293
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1972CH31      Phys.Rev.Lett. 29, 805 (1972)

E.Cheifetz, B.Eylon, E.Fraenkel, A.Gavron

Emission of the 5He in the Spontaneous Fission of 252Cf

RADIOACTIVITY, Fission 252Cf(SF); measured αn-coin; deduced initial fragment energy. 5He deduced emission, initial energy.

doi: 10.1103/PhysRevLett.29.805
Citations: PlumX Metrics


1971GA24      Phys.Rev.Lett. 27, 1148 (1971); Erratum Phys.Rev.Lett. 27, 1761 (1971)

A.Gavron, Z.Fraenkel

Measurement of the Variance of the Number of Neutrons Emitted in Fission of 252Cf as a Function of the Fragment Mass and Total Kinetic Energy

RADIOACTIVITY, Fission 252Cf(SF);measured neutron number vs fragment mass, total kinetic energy.

doi: 10.1103/PhysRevLett.27.1148
Citations: PlumX Metrics


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