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Search: Author = J.R.Nix

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1998NI13      Phys.Rev. C58, 2303 (1998)


Low Freeze-Out Temperature and High Collective Velocities in Relativistic Heavy-Ion Collisions

NUCLEAR REACTIONS 197Au(Si, X), E at 14.6 GeV/c/nucleon; analyzed multiplicity distributions, two-particle correlations; deduced parameter dependences, source freeze-out temperature, related features. Nine-parameter expanding source model.

doi: 10.1103/PhysRevC.58.2303
Citations: PlumX Metrics

1997MO25      At.Data Nucl.Data Tables 66, 131 (1997)

P.Moller, J.R.Nix, K.-L.Kratz

Nuclear Properties for Astrophysical and Radioactive-Ion-Beam Applications

NUCLEAR STRUCTURE Z=8-136; A=16-339; calculated, compiled total binding energy, one-, two-neutron, proton separation energies, pairing gaps, odd-nucleon parity, spin projection. Folded-Yukawa single particle potential, Lipkin-Nogami approximation.

RADIOACTIVITY Z=8-136; A=16-339; calculated, compiled β-, α-decay Q, T1/2. Folded-Yukawa single particle potential, Lipkin-Nogami approximation.

doi: 10.1006/adnd.1997.0746
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1997MO34      Z.Phys. A359, 251 (1997)

P.Moller, J.R.Nix, P.Armbruster, S.Hofmann, G.Munzenberg

Single-Particle Enhancement of Heavy-Element Production

NUCLEAR REACTIONS 208Pb(50Ti, X), (68Zn, X), (70Zn, X), E not given; calculated fusion, fission potential barriers; deduced microscopic effects. Macroscopic-microscopic model, superheavy element production.

doi: 10.1007/s002180050399
Citations: PlumX Metrics

1996CH20      Phys.Rev. C54, 866 (1996)

S.Chapman, J.R.Nix

Realistic Expanding Source Model for Invariant One-Particle Multiplicity Distributions and Two-Particle Correlations in Relativistic Heavy-Ion Collisions

NUCLEAR REACTIONS 197Au(Si, X), E=14.6 GeV/c/nucleon; analyzed invariant one-particle multiplicity distributions, two-particle correlations data, relativistic collisions. Realistic expanding source model.

doi: 10.1103/PhysRevC.54.866
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1995CH48      Phys.Rev. C52, 2694 (1995)

S.Chapman, J.R.Nix, U.Heinz

Extracting Source Parameters from Gaussian Fits to Two-Particle Correlations

doi: 10.1103/PhysRevC.52.2694
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1995IW03      Nucl.Phys. A596, 329 (1995)

A.Iwamoto, P.Moller, J.R.Nix, H.Sagawa

Collisions of Deformed Nuclei: A path to the far side of the superheavy island

NUCLEAR REACTIONS, ICPND 154Sm(16O, X), E(cm) ≈ 55-70 MeV; calculated fusion σ(E), potential energy surface; deduced colliding nuclei deformation, orientation role.

RADIOACTIVITY 288Og(α) [from 186W(104Ru, X), E=362.3 MeV]; 300122, 301122(α) [from 186W(116Cd, X), E=398 MeV]; 293Lv(α) [from 248Cm(48Ca, X), E=212.56 MeV]; 294120(α) [from 186W(110Pd, X), E=376.2 MeV]; calculated Q(α).

doi: 10.1016/0375-9474(95)00394-0
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1995MO29      At.Data Nucl.Data Tables 59, 185 (1995)

P.Moller, J.R.Nix, W.D.Myers, W.J.Swiatecki

Nuclear Ground-State Masses and Deformations

NUCLEAR STRUCTURE A=16-339; calculated mass excess, ground state deformations. Finite-range droplet macroscopic, folded-Yukawa single particle microscopic models.

doi: 10.1006/adnd.1995.1002
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1994MO31      J.Phys.(London) G20, 1681 (1994)

P.Moller, J.R.Nix

Stability of Heavy and Superheavy Elements

NUCLEAR STRUCTURE 260Rf, 258No, 260,259Md, 258Fm; compiled, reviewed fission fragment mass, kinetic energy distribution data. Z=70-130; N=110-190; compiled, reviewed ground state microscopic corrections, α-decay T1/2, β-decay Gamow-Teller component information, Qα, Qβ, many other aspects, other nuclei; deduced heavy, superheavy elements stability features.

doi: 10.1088/0954-3899/20/11/003
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1994MO52      J.Alloys and Compounds 213/214, 43 (1994)

P.Moller, J.R.Nix

Applications of a global nuclear structure model to studies of the heaviest elements

NUCLEAR STRUCTURE 272,288Ds; calculated mass excess, Coulomb redistribution effects, α-decay and fission T1/2. 254,255Fm, 255,256Md, 256,257No, 257,258Lr, 258,259Rf, 259,260Db, 260,261Sg, 261,262Bh; calculated Qα. 258Fm; calculated potential energy surface for fission. Finite-range droplet model.

doi: 10.1016/0925-8388(94)90879-6
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1992MO01      Nucl.Phys. A536, 20 (1992)

P.Moller, J.R.Nix

Nuclear Pairing Models

NUCLEAR STRUCTURE Z ≤ 100; N ≤ 160; calculated proton, neutron pairing gap energies. 94Sr; calculated proton pairing gap summation interval dependence. BCS, Lipkin-Nogami pairing models.

doi: 10.1016/0375-9474(92)90244-E
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1992MO02      Nucl.Phys. A536, 61 (1992)

P.Moller, J.R.Nix, W.D.Myers, W.J.Swiatecki

The Coulomb Redistribution Energy as Revealed by a Refined Study of Nuclear Masses

NUCLEAR STRUCTURE 16O, 48Ca, 132Sn, 208Pb, 266Mt; calculated Coulomb volume, surface redistribution energies. N ≤ 200; Z ≤ 140; calculated ground state mass vs shape degrees of freedom; deduced Coulomb redistribution energy terms role. Macroscopic, microscopic approach.

doi: 10.1016/0375-9474(92)90245-F
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1992MO22      Nucl.Phys. A549, 84 (1992)

P.Moller, J.R.Nix

Stability and Decay of Nuclei at the End of the Periodic System

NUCLEAR STRUCTURE Z=80-120; N=120-190; calculated α-, β+, β-decay T1/2, EC-, Gamow-Teller β-decay Q-values. 252Fm, 272Ds; calculated proton, single particle states. 258Fm; calculated fission path potential energy surface. Mass model with Coulomb redistribution effects.

doi: 10.1016/0375-9474(92)90068-U
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1990MO30      Nucl.Phys. A520, 369c (1990)

P.Moller, J.R.Nix

Global Nuclear-Structure Calculations

NUCLEAR STRUCTURE N ≤ 160; calculated β-decay T1/2, ground state masses, pairing gaps. Macroscopic, microscopic approach.

doi: 10.1016/0375-9474(90)91161-J
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1989MO03      Nucl.Phys. A492, 349 (1989)

P.Moller, J.R.Nix, W.J.Swiatecki

New Developments in the Calculation of Heavy-Element Fission Barriers

NUCLEAR STRUCTURE 252,256,260,264Fm, 240Pu, 272,290Ds, 259,260Md, 262Db, 272Mt, 258,260Cf, 258,262No, 264Sg, 262Rf; calculated potential energy surfaces. Z=98-109; calculated fission T1/2.

doi: 10.1016/0375-9474(89)90403-X
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1988MA04      Nucl.Phys. A476, 1 (1988)

D.G.Madland, J.R.Nix

New Model of the Average Neutron and Proton Pairing Gaps

NUCLEAR STRUCTURE 250Cf, 150Sm, 50Cr; N ≤ 160; calculated neutron, proton pairing gaps. 150Eu; calculated residual interaction vs finite difference order.

doi: 10.1016/0375-9474(88)90370-3
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1988MO19      At.Data Nucl.Data Tables 39, 213 (1988)

P.Moller, J.R.Nix

Nuclear Masses from a Unified Macroscopic-Microscopic Model

NUCLEAR STRUCTURE A=16-318; calculated masses. Macroscopic-microscopic model.

ATOMIC MASSES A=16-318; calculated masses. Macroscopic-microscopic model.

doi: 10.1016/0092-640X(88)90022-8
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1987MO16      Nucl.Phys. A469, 1 (1987)

P.Moller, J.R.Nix, W.J.Swiatecki

Calculated Fission Properties of the Heaviest Elements

RADIOACTIVITY 252,254,256,258,260,264Fm, 252,254,256,258,260,262Cf, 250,256,258Cm, 256,254,260,262,264,266No, 256Rf, 258Rf, 260Rf, 262Rf, 264Rf, 268Rf, 260Sg, 264Sg, 266Sg, 270Sg, 264Hs, 270Hs, 272Hs(SF); calculated fission fragment elongation σ, fission T1/2. Macroscopic-microscopic model.

doi: 10.1016/0375-9474(87)90083-2
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1986CA04      Nucl.Phys. A452, 381 (1986)

N.Carjan, A.J.Sierk, J.R.Nix

Effect of Dissipation on Ternary Fission in very Heavy Nuclear Systems

NUCLEAR STRUCTURE A=100-300; calculated ternary fission fragment translational kinetic energy vs mass, dissipation dependence. Macroscopic dynamical model.

doi: 10.1016/0375-9474(86)90204-6
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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
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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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1986MA67      Radiat.Eff. 96, 103 (1986)

D.G.Madland, R.J.Labauve, J.R.Nix

Comparisons of Four Representations of the Prompt Neutron Spectrum for the Spontaneous Fission of 252Cf

RADIOACTIVITY 252Cf(SF); analyzed prompt neutron spectra following fission; calculated threshold integral σ.

doi: 10.1080/00337578608211722
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1986MO03      Z.Phys. A323, 41 (1986)

P.Moller, G.A.Leander, J.R.Nix

On the Stability of the Transeinsteinium Elements

NUCLEAR STRUCTURE Z>100; calculated Q(α), fission T1/2, ground state property microscopic corrections; deduced 288100, 299100 superheavy high stability.

1986NI06      Radiat.Eff. 92, 263 (1986)

J.R.Nix, D.G.Madland, A.J.Sierk

Effect of Fission Dynamics on the Spectra and Multiplicities of Prompt Fission Neutrons

NUCLEAR REACTIONS 235U(n, F), E=0.53 MeV; calculated prompt fission neutron spectra vs E; deduced multiple-chance fission role. Unified macroscopic-microscopic method.

NUCLEAR STRUCTURE 240Pu; calculated beyond fission saddle point dynamical evolution; deduced surface plus window dissipation role. Unified macroscopic-microscopic model.

doi: 10.1080/00337578608208336
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1985KU15      Z.Phys. A321, 455 (1985)

J.Kunz, J.R.Nix

Calculation of the Nuclear Inertia in a Generalized Cranking Model

NUCLEAR STRUCTURE 240Pu; calculated spheroidal deformation inertia. Generalized cranking model.

doi: 10.1007/BF01411980
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1984BE27      Phys.Scr. 29, 402 (1984)

R.Bengtsson, P.Moller, J.R.Nix, Jing-ye Zhang

Nuclear Shapes and Shape Transitions

NUCLEAR STRUCTURE A=16-279; calculated potential energy surfaces, ground state masses, shapes. Macroscopic Yukawa plus exponential model.

doi: 10.1088/0031-8949/29/5/002
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1984HA19      J.Phys.(London) G10, L87 (1984)

J.H.Hamilton, A.V.Ramayya, C.F.Maguire, R.B.Piercey, R.Bengtsson, P.Moller, J.R.Nix, Jing-ye Zhang, R.L.Robinson, S.Frauendorf

Effects of Reinforcing Shell Gaps on the Competition between Spherical and Highly Deformed Shapes

NUCLEAR STRUCTURE A=70-80, 100; analyzed data systematics; deduced neutron, proton shell gap reinforcement, nuclear shape coexistence in the A=75 region.

doi: 10.1088/0305-4616/10/5/001
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1984KU17      Nucl.Phys. A426, 353 (1984)

J.Kunz, J.R.Nix

Generalized Cranking Model for Collective Nuclear Motion

NUCLEAR STRUCTURE 240Pu; calculated translational, rotational moment of inertia vs pairing gap. Collective motion, generalized cranking model.

doi: 10.1016/0375-9474(84)90112-X
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1984LE12      Phys.Rev. C30, 416 (1984)

G.A.Leander, J.Dudek, W.Nazarewicz, J.R.Nix, Ph.Quentin

Single-Particle Levels in the Doubly Magic 132Sn and 100Sn Nuclei

NUCLEAR STRUCTURE 56Ni, 100,132Sn, 208Pb; calculated single particle binding energies. Woods-Saxon, folded Yukawa, Skyrme interaction models.

doi: 10.1103/PhysRevC.30.416
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1984NI09      Nucl.Phys. A424, 239 (1984)

J.R.Nix, A.J.Sierk, H.Hofmann, F.Scheuter, D.Vautherin

Stationary Fokker-Planck Equation Applied to Fission Dynamics

NUCLEAR STRUCTURE 158Yb, 213At; calculated fission barrier height, excitation energy. Stationary Fokker-Planck fission dynamics treatment.

NUCLEAR REACTIONS 209Bi(α, F), E=120 MeV; calculated mean kinetic energy at scission point vs dissipation strength following fission. 150Nd(20Ne, 2n), E=176, 239 MeV; calculated saddle to scission time vs dissipation strength following residual nucleus fission. Stationary Fokker-Planck fission dynamics treatment.

doi: 10.1016/0375-9474(84)90184-2
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1984NI15      Nucl.Phys. A428, 161c (1984)

J.R.Nix, A.J.Sierk

Dynamics of Fission and Heavy Ion Reactions

NUCLEAR REACTIONS 208Pb(58Fe, X), E(cm)=238-363 MeV; calculated mass transfer vs angular momentum, capture σ vs E. 142Nd(16O, F), E=208 MeV; calculated mean saddle to scission time vs dissipation strength for fission. Unified macroscopic, microscopic description.

doi: 10.1016/0375-9474(84)90249-5
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1984SC43      Phys.Lett. 149B, 303 (1984)

F.Scheuter, C.Gregoire, H.Hofmann, J.R.Nix

Fission-Fragment Kinetic-Energy Distributions from a Two-Dimensional Fokker-Planck Equation

NUCLEAR REACTIONS 209Bi(α, F), E not given; calculated fission fragment kinetic energy distribution, variance vs temperature. Two-dimensional Fokker-Planck equation.

doi: 10.1016/0370-2693(84)90411-8
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1983DA13      Phys.Rev. C28, 679 (1983)

K.T.R.Davies, A.J.Sierk, J.R.Nix

Dynamical Thresholds for Compound-Nucleus Formation in Symmetric Heavy-Ion Reactions

NUCLEAR REACTIONS 110Pd(110Pd, X), E not given; calculated compound nucleus formation dynamical thresholds.

doi: 10.1103/PhysRevC.28.679
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1982MA06      Phys.Rev. C25, 918 (1982)

G.Mantzouranis, J.R.Nix

Excitation Energy at Scission in Thermal-Neutron-Induced Fission

NUCLEAR REACTIONS, Fission 233,235U(n, F), E=thermal; analyzed γ-, neutron yields, fission fragment mass distribution odd-even effect; deduced scission point internal excitation energy. One-body dissipation, two-body viscosity models.

doi: 10.1103/PhysRevC.25.918
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1982MA14      Nucl.Sci.Eng. 81, 213 (1982)

D.G.Madland, J.R.Nix

New Calculation of Prompt Fission Neutron Spectra and Average Prompt Neutron Multiplicities

NUCLEAR REACTIONS, Fission 235U(n, F), E=0.53-15 MeV; 229Th, 239Pu, 249Cf(n, F), E=thermal; calculated prompt fission σ(En), average neutron multiplicities. Evaporation theory.

doi: 10.13182/NSE82-5
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1981LA18      Nucl.Phys. A368, 352 (1981)

S.Landowne, J.R.Nix

Two-Dimensional Calculation of Sub-Barrier Heavy-Ion Fusion Cross Sections

NUCLEAR REACTIONS 58Ni(58Ni, X), E(cm)=95-109 MeV; calculated σ(fusion, E). Two-dimensional potential energy surface, monopole, quadrupole Coulomb interaction energies, exponential Yukawa interaction.

doi: 10.1016/0375-9474(81)90690-4
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1981MO24      At.Data Nucl.Data Tables 26, 165 (1981)

P.Moller, J.R.Nix

Atomic Masses and Nuclear Ground-State Deformations Calculated with a New Macroscopic Model

COMPILATION A=16-279; calculated atomic masses, ground state deformation. Macroscopic-microscopic model.

doi: 10.1016/0092-640X(81)90003-6
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1981ST26      Phys.Rev.Lett. 47, 1807 (1981)

H.Stocker, C.Riedel, Y.Yariv, L.P.Csernai, G.Buchwald, G.Graebner, J.A.Maruhn, W.Greiner, K.Frankel, M.Gyulassy, B.Schurmann, G.Westfall, J.D.Stevenson, J.R.Nix, D.Strottman

Nuclear Fluid Dynamics Versus Intranuclear Cascade- Possible Evidence for Collective Flow in Central High-Energy Nuclear Collisions

NUCLEAR REACTIONS 238U(20Ne, p), E=393 MeV/nucleon; calculated σ(θ, Ep); deduced collective flow effects. Different collision models.

doi: 10.1103/PhysRevLett.47.1807
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1980NI01      Phys.Rev. C21, 396 (1980)

J.R.Nix, A.J.Sierk

Macroscopic Description of Isoscalar Giant Multipole Resonances

NUCLEAR STRUCTURE 208Pb; calculated energy, Γ of T=0, GMR. Distorted-Fermi-surface macroscopic model.

doi: 10.1103/PhysRevC.21.396
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1980SC29      Z.Phys. A297, 289 (1980)

G.Schutte, P.Moller, J.R.Nix, A.J.Sierk

Fission with Microscopic Energy Dissipation

RADIOACTIVITY, Fission 236U; calculated neutron, proton single particle energies, excitation of pair states, microscopic energy dissipation. Nonadiabatic BCS formalism.

1980SI06      Phys.Rev. C21, 982 (1980)

A.Sierk, J.R.Nix

Fission in a Wall-and-Window One-Body-Dissipation Model

RADIOACTIVITY 236U (SF); calculated most probable fission-fragment kinetic E. Wall, window one-body dissipation model.

doi: 10.1103/PhysRevC.21.982
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1979KR08      Phys.Rev. C20, 992 (1979)

H.J.Krappe, J.R.Nix, A.J.Sierk

Unified Nuclear Potential for Heavy-Ion Elastic Scattering, Fusion, Fission, and Ground-State Masses and Deformations

NUCLEAR REACTIONS 12C(α, X), 28Si(16O, X), 208Pb(84Kr, X), E not given; calculated HI interaction potential. 28Si(16O, 16O), E=37.7, 81.0, 215.2 MeV; calculated σ(θ). 27Al(32S, X), 62Ni(35Cl, X), 208Pb(16O, X); calculated compound nuclear σ, fission barrier heights, ground-state masses. Unified nuclear potential model.

doi: 10.1103/PhysRevC.20.992
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1978KO02      Phys.Rev. C17, 111 (1978)

T.Kodama, R.A.M.S.Nazareth, P.Moller, J.R.Nix

Exact Calculation of the Penetrability for a Simple Two-Dimensional Heavy-Ion Fusion Barrier

NUCLEAR REACTIONS 100Mo(100Mo, X); calculated fusion σ, penetrability for simple two-dimensional fusion barrier.

doi: 10.1103/PhysRevC.17.111
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1977AM01      Phys.Rev.Lett. 38, 1055 (1977)

A.A.Amsden, J.N.Ginocchio, F.H.Harlow, J.R.Nix, M.Danos, E.C.Halbert, R.K.Smith, Jr.

Comparison of Macroscopic and Microscopic Calculations of High-Energy 20Ne + 238U Collisions

NUCLEAR REACTIONS 238U(20Ne, X), E=250 MeV/nucleon; calculated σ(θ) for outgoing protons.

doi: 10.1103/PhysRevLett.38.1055
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1977AM02      Phys.Rev. C15, 2059 (1977)

A.A.Amsden, F.H.Harlow, J.R.Nix

Relativistic Nuclear Fluid Dynamics

NUCLEAR REACTIONS 238U(20Ne, X), E=0.25, 2.1 GeV/nucleon; calculated σ, time evolution of matter distribution. Hydrodynamic model.

doi: 10.1103/PhysRevC.15.2059
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1977DA16      Phys.Rev. C16, 1890 (1977)

K.T.R.Davies, R.A.Managan, J.R.Nix, A.J.Sierk

Rupture of the Neck in Nuclear Fission

NUCLEAR STRUCTURE 252Cf, 236U; calculated fission parameters.

doi: 10.1103/PhysRevC.16.1890
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1977MO03      Nucl.Phys. A281, 354 (1977)

P.Moller, J.R.Nix

Potential-Energy Surfaces for Asymmetric Heavy-Ion Reactors

NUCLEAR STRUCTURE 8Be, 32S, 80Kr, 108Cd, 140Nd, 172Hf, 200Po, 220U, 248Fm; calculated potential energy surfaces.

doi: 10.1016/0375-9474(77)90031-8
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1977NI02      Phys.Rev. C15, 2072 (1977)

J.R.Nix, A.J.Sierk

Calculation of Compound-Nucleus Cross Sections for Symmetric Very-Heavy-Ion Reactions

NUCLEAR REACTIONS 100Mo(100Mo, X), 110Pd(110Pd, X), 124Sn(124Sn, X); calculated compound nucleus σ. Liquid-drop model, hydrodynamical model.

doi: 10.1103/PhysRevC.15.2072
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1977SI13      Phys.Rev. C16, 1048 (1977)

A.J.Sierk, J.R.Nix

Effect of the Finite Range of the Nuclear Force on the Dynamics of Fission and Heavy-Ion Collisions

NUCLEAR REACTIONS 150Nd(150Nd, X); calculated fission dynamics for 236U, superheavy systems.

doi: 10.1103/PhysRevC.16.1048
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1976DA08      Phys. Rev. C13, 2385 (1976)

K.T.R.Davies, A.J.Sierk, J.R.Nix

Effect of Viscosity on the Dynamics of Fission

NUCLEAR STRUCTURE 236U, 252Cf; calculated effect of viscosity on fission dynamics.

doi: 10.1103/PhysRevC.13.2385
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1976KO01      Phys.Rev. C13, 209 (1976)

S.E.Koonin, J.R.Nix

Microscopic Calculation of Nuclear Dissipation

NUCLEAR STRUCTURE 236U fission; calculated microscopically energy dissipated between saddle point, scission. Monopole pairing force, time dependent wave function of BCS form, correspondence with Landau-Zener formula, nuclear viscosity, axially symmetric, reflection-asymmetric deformations.

doi: 10.1103/PhysRevC.13.209
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1976ME02      Phys.Rev. C13, 182 (1976)

H.W.Meldner, G.A.Cowan, J.R.Nix, R.W.Stoughton

How to Detect the Heaviest Man-Made Isotopes

NUCLEAR STRUCTURE A > 200; calculated allowed β-decay T1/2.

doi: 10.1103/PhysRevC.13.182
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1976MO25      Phys.Rev.Lett. 37, 1461 (1976)

P.Moller, J.R.Nix

Calculated Half-Lives of Superheavy Nuclei Near 354126

RADIOACTIVITY, Fission 354126; calculated Eα, Eβ, T1/2, fission barrier, T1/2(SF).

doi: 10.1103/PhysRevLett.37.1461
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1976MO31      Nucl.Phys. A272, 502 (1976)

P.Moller, J.R.Nix

Macroscopic Potential-Energy Surfaces for Symmetric Fission and Heavy-Ion Reactions

NUCLEAR STRUCTURE 8Be, 32S, 80Kr, 108Cd, 140Nd, 172Hf, 200Po, 220U, 248Fm; calculated potential energy surfaces.

doi: 10.1016/0375-9474(76)90345-6
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1974MO17      Nucl.Phys. A229, 269 (1974)

P.Moller, J.R.Nix

Calculation of Fission Barriers with the Droplet Model and Folded Yukawa Single-Particle Potential

NUCLEAR STRUCTURE 240Pu, 250Cm; calculated single particle energies. A=88-108; calculated fission barrier equilibrium points. Fm, Cf, Cm, Pu, U, Th, 212,210Po, 198Hg, 188,186Os calculated fission barrier heights.

doi: 10.1016/0375-9474(74)90788-X
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1974MO18      Nucl.Phys. A229, 292 (1974)

P.Moller, S.G.Nilsson, J.R.Nix

Calculated Ground-State Properties of Heavy Nuclei

NUCLEAR STRUCTURE 208Pb, 231Th, 233Pa, 240Pu, 245Cm, 249Bk; calculated single particle energies. A=68-108 calculated ground state deformations, single particle corrections.

doi: 10.1016/0375-9474(74)90789-1
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1974NI04      Nucl.Phys. A222, 221 (1974)

S.G.Nilsson, J.R.Nix, P.Moller, I.Ragnarsson

How Much of a Bubble Is There in 184Hg (Question)

NUCLEAR STRUCTURE 184Hg; calculated shape.

doi: 10.1016/0375-9474(74)90389-3
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1973BR04      Phys.Rev. C7, 801 (1973)

H.C.Britt, M.Bolsterli, J.R.Nix, J.L.Norton

Fission Barriers Deduced from the Analysis of Fission Isomer Results

doi: 10.1103/PhysRevC.7.801
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1972BO10      Phys.Rev. C5, 1050 (1972)

M.Bolsterli, E.O.Fiset, J.R.Nix, J.L.Norton

New Calculation of Fission Barriers for Heavy and Superheavy Nuclei

NUCLEAR STRUCTURE, Fission 208Pb, 240Pu; calculated single-particle energies. 188Os, 210Po, 240Pu; calculated fission barrier heights. 240Pu, 236,244,248Pu, 232,236,240,244Th, 240,244,248,252Cf, 244,248,252,256No, Element-110, Element-114, Element-118, Element-122; calculated potential energy vs symmetric-deformation coordinate.

doi: 10.1103/PhysRevC.5.1050
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1972FI18      Nucl.Phys. A193, 647 (1972)

E.O.Fiset, J.R.Nix

Calculation of Half-Lives for Superheavy Nuclei

RADIOACTIVITY, Fission A > 200; calculated T1/2(SF), T1/2(α), T1/2(β), fission barriers.

doi: 10.1016/0375-9474(72)90346-6
Citations: PlumX Metrics

1971BO32      Phys.Rev.Lett. 27, 681 (1971)

M.Bolsterli, E.O.Fiset, J.R.Nix, J.L.Norton

Shape of the Island of Superheavy Nuclei

NUCLEAR STRUCTURE, Fission Ds; Z=114, 118, 122; calculated fission barriers.

doi: 10.1103/PhysRevLett.27.681
Citations: PlumX Metrics

1969NI06      Nucl.Phys. A132, 60 (1969)

J.R.Nix, G.E.Walker

A Discussion of the Secondary-Minimum Hypothesis for Spontaneously Fissioning Isomers

doi: 10.1016/0375-9474(69)90612-5
Citations: PlumX Metrics

1969WY02      Izv.Akad.Nauk SSSR, Ser.Fiz. 33, 1263 (1969); Bull.Acad.Sci.USSR, Phys.Ser. 33, 1169 (1970)

S.Wycech, A.Sobiczewski, Z.Szymanski, S.G.Nilsson, J.R.Nix, H.F.Tsang, C.Gustafson, P.Moller, B.Nilsson

Microscopic Values for the Mass Parameter of Heavy and Superheavy Nuclei

NUCLEAR STRUCTURE 228,230,232,234Th, 230,232,234,236,238,240U, 234,236,238,240,242,244,246Pu, 238,240,242,244,246,248,250,252Cm, 244,246,248,250,252,254,256Cf, 248,250,252,254,256,258,260Fm, 250,252,254,256,258No, 258,260,262Rf; calculated mass parameter.

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