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NSR database version of April 11, 2024.

Search: Author = D.Horn

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2002GI08      Phys.Rev. C65, 061604 (2002)

L.Gingras, A.Chernomoretz, Y.Larochelle, Z.Y.He, L.Beaulieu, G.C.Ball, F.Grenier, D.Horn, R.Roy, M.Samri, C.St-Pierre, D.Theriault, S.Turbide

Origins of Intermediate Velocity Particle Production in Heavy Ion Reactions

NUCLEAR REACTIONS C, Au(58Ni, X), E=34.5 MeV/nucleon; measured fragments parallel velocity distributions; deduced source features. Molecular dynamics simulations.

doi: 10.1103/PhysRevC.65.061604
Citations: PlumX Metrics


2002HE02      Phys.Rev. C65, 014606 (2002)

Z.-Y.He, L.Gingras, Y.Larochelle, D.Ouerdane, L.Beaulieu, P.Gagne, X.Qian, R.Roy, C.St-Pierre, G.C.Ball, D.Horn

Two-Fragment Correlation Functions for Quasiprojectile Source and Midrapidity Component at Intermediate Energies

NUCLEAR REACTIONS 12C, 197Au(58Ni, X), E=34.5 MeV/nucleon; measured two-fragment correlation functions; deduced quasiprojectile source features.

doi: 10.1103/PhysRevC.65.014606
Citations: PlumX Metrics


2002SA13      Nucl.Phys. A700, 42 (2002)

M.Samri, F.Grenier, G.C.Ball, L.Beaulieu, L.Gingras, Z.-Y.He, D.Horn, Y.Larochelle, X.Qian, R.Roy, C.St-Pierre

Fusion and Decay in 24Mg + 12C at 45 A MeV

NUCLEAR REACTIONS 12C(24Mg, X), E=45 MeV/nucleon; measured fragments charge and multiplicity distributions, two-fragment velocity correlations; deduced fragment emission time. Discriminant analysis method.

doi: 10.1016/S0375-9474(01)01320-3
Citations: PlumX Metrics


2002SA28      Phys.Rev. C65, 061603 (2002)

M.Samri, F.Grenier, G.C.Ball, L.Beaulieu, L.Gingras, D.Horn, Y.Larochelle, R.Moustabchir, R.Roy, C.St-Pierre, D.Theriault

Fusion and Reaction Mechanism Evolution in 24Mg + 12C at Intermediate Energies

NUCLEAR REACTIONS 12C(24Mg, X), E=25, 35, 45 MeV/nucleon; measured charged particle yields, multiplicity, angular distributions; deduced fusion σ, reaction mechanism features. Statistical discriminant analysis method. Comparison with model predictions.

doi: 10.1103/PhysRevC.65.061603
Citations: PlumX Metrics


2001HE01      Phys.Rev. C63, 011601 (2001)

Z.-Y.He, L.Gingras, Y.Larochelle, D.Ouerdane, L.Beaulieu, P.Gagne, X.Qian, R.Roy, C.St-Pierre, G.C.Ball, D.Horn

Fragment Emission Time from Well Defined Sources in 58Ni + 197Au at 34.5 MeV/nucleon

NUCLEAR REACTIONS 197Au(58Ni, X), E=34.5 MeV/nucleon; measured 2-fragment correlation functions for quasi-projectile and mid-rapidity sources as function of excitation energy; deduced emission time versus excitation energy and multifragmentation mechanisms.

doi: 10.1103/PhysRevC.63.011601
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2000LA33      Phys.Rev. C62, 051602 (2000)

Y.Larochelle, L.Gingras, G.C.Ball, L.Beaulieu, P.Gagne, E.Hagberg, Z.Y.He, D.Horn, R.Laforest, R.Roy, C.St-Pierre

Isospin of Intermediate Mass Fragments Produced in Peripheral, Midperipheral, and Central Collisions from the 58Ni + 12C, 24Mg Reactions at 34.5A MeV

NUCLEAR REACTIONS 12C, 24Mg(58Ni, X), E=34.5 MeV/nucleon; measured fragments isotopic yields, isospin ratio vs emission angle; deduced reaction mechanism features. Comparison with model predictions.

doi: 10.1103/PhysRevC.62.051602
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1999LA02      Phys.Rev. C59, R565 (1999)

Y.Larochelle, C.St-Pierre, L.Beaulieu, N.Colonna, L.Gingras, G.C.Ball, D.R.Bowman, M.Colonna, G.D'Erasmo, E.Fiore, D.Fox, A.Galindo-Uribarri, E.Hagberg, D.Horn, R.Laforest, A.Pantaleo, R.Roy, G.Tagliente

Probing Midrapidity Source Characteristics with Charged Particles and Neutrons in the 35Cl + natTa Reaction 43 MeV/nucleon

NUCLEAR REACTIONS Ta(35Cl, X), E=43 MeV/nucleon; measured neutron spectra, multiplicities, σ(θ) vs quasiprojectile excitation energy; deduced midrapidity source velocity, temperature, related features.

doi: 10.1103/PhysRevC.59.R565
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1999QI01      Phys.Rev. C59, 269 (1999)

X.Qian, L.Beaulieu, X.Bai, Y.Larochelle, B.Djerroud, R.Laforest, L.Gingras, R.Roy, M.Samri, C.St-Pierre, G.C.Ball, D.R.Bowman, E.Hagberg, D.Horn

Production and Decay of Excited Quasiprojectiles in Peripheral and Semiperipheral 35Cl + 197Au Reactions in Fermi Energy Domain

NUCLEAR REACTIONS 197Au(35Cl, X), E=30, 43 MeV/nucleon; measured light, intermediate mass fragments yields, charge, angle, velocity distributions; deduced equilibrium, nonequilibrium components, quasiprojectile de-excitation modes. Monte Carlo analysis.

doi: 10.1103/PhysRevC.59.269
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1997LA10      Phys.Rev. C55, 1869 (1997)

Y.Larochelle, L.Gingras, L.Beaulieu, X.Qian, Z.Saddiki, B.Djerroud, D.Dore, R.Laforest, R.Roy, M.Samri, C.St-Pierre, G.C.Ball, D.R.Bowman, A.Galindo-Uribarri, E.Hagberg, D.Horn, J.A.Lopez, T.Robinson

Formation of a Necklike Structure in 35Cl + 12C and 197Au Reactions at 43 MeV/nucleon

NUCLEAR REACTIONS 12C, 197Au(35Cl, X), E=43 MeV/nucleon; measured fragment anisotropy, flow angle, dynamical simulations, density profiles time evolution; deduced reaction mechanism. Reaction mechanisms, necklike structure, heavy ions collision, projectile and target fragmentation.

doi: 10.1103/PhysRevC.55.1869
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1996BE24      Phys.Rev.Lett. 77, 462 (1996)

L.Beaulieu, Y.Larochelle, L.Gingras, G.C.Ball, D.R.Bowman, B.Djerroud, D.Dore, A.Galindo-Uribarri, D.Guinet, E.Hagberg, D.Horn, R.Laforest, P.Lautesse, R.Roy, M.Samri, C.St-Pierre

Direct Measurement of Dissipation in the 35Cl + 12C Reaction at 43 MeV/nucleon

NUCLEAR REACTIONS 12C(35Cl, X), E=43 MeV/nucleon; measured fragment transverse energy vs flow, velocity related features; deduced flow angle selection based binary-, single-source events separation.

doi: 10.1103/PhysRevLett.77.462
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1996BE42      Phys.Rev. C54, R973 (1996)

L.Beaulieu, D.R.Bowman, D.Fox, S.Das Gupta, J.Pan, G.C.Ball, B.Djerroud, D.Dore, A.Galindo-Uribarri, D.Guinet, E.Hagberg, D.Horn, R.Laforest, Y.Larochelle, P.Lautesse, M.Samri, R.Roy, C.St-Pierre

Source Size Scaling of Fragment Production in Projectile Breakup

NUCLEAR REACTIONS 197Au(35Cl, X), E=43 MeV/nucleon; Ti(70Ge, X), E=35 MeV/nucleon; measured intermediate mass fragment production characteristics; deduced source size scaling related features. Sequential decay, lattice gas models, other reaction data included.

doi: 10.1103/PhysRevC.54.R973
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1996DA07      Phys.Lett. 368B, 259 (1996)

M.D'Agostino, P.F.Mastinu, P.M.Milazzo, M.Bruno, D.R.Bowman, P.Buttazzo, L.Celano, N.Colonna, J.D.Dinius, A.Ferrero, M.L.Fiandri, C.K.Gelbke, T.Glasmacher, F.Gramegna, D.O.Handzy, D.Horn, W.C.Hsi, M.Huang, I.Iori, G.J.Kunde, M.A.Lisa, W.G.Lynch, L.Manduci, G.V.Margagliotti, C.P.Montoya, A.Moroni, G.F.Peaslee, F.Petruzzelli, L.Phair, R.Rui, C.Schwarz, M.B.Tsang, G.Vannini, C.Williams, and the Multics/Miniball Collaboration

Multifragment Production in Au + Au at 35 MeV/u

NUCLEAR REACTIONS 197Au(197Au, X), E=35 MeV/nucleon; measured fragment emission velocities vs θ, Z=4-10, two-fragment correlation; deduced emission mechanism for central collisions. Many-body trajectories.

doi: 10.1016/0370-2693(95)01473-X
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1996DA17      Phys.Lett. 371B, 175 (1996)

M.D'Agostino, A.S.Botvina, P.M.Milazzo, M.Bruno, G.J.Kunde, D.R.Bowman, L.Celano, N.Colonna, J.D.Dinius, A.Ferrero, M.L.Fiandri, C.K.Gelbke, T.Glasmacher, F.Gramegna, D.O.Handzy, D.Horn, W.C.Hsi, M.Huang, I.Iori, M.A.Lisa, W.G.Lynch, L.Manduci, G.V.Margagliotti, P.F.Mastinu, I.N.Mishustin, C.P.Montoya, A.Moroni, G.F.Peaslee, F.Petruzzelli, L.Phair, R.Rui, C.Schwarz, M.B.Tsang, G.Vannini, C.Williams

Statistical Multifragmentation in Central Au + Au Collisions at 35 MeV/u

NUCLEAR REACTIONS 197Au(197Au, X), E=35 MeV/nucleon; measured fragment charge distribution, kinetic energy per nucleon vs Z, two-fragment correlation function. Statistical multi-fragmentation model analysis.

doi: 10.1016/0370-2693(96)00008-1
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1996FE01      Phys.Rev. C53, R5 (1996)

A.Ferrero, I.Iori, A.Moroni, F.Petruzzelli, R.Scardaoni, L.G.Moretto, D.R.Bowman, M.Bruno, P.Buttazzo, L.Celano, N.Colonna, M.D'Agostino, J.D.Dinius, M.L.Fiandri, E.Fuschini, C.K.Gelbke, T.Glasmacher, F.Gramegna, D.O.Handzy, D.Horn, W.C.Hsi, M.Huang, G.J.Kunde, M.A.Lisa, W.G.Lynch, P.F.Mastinu, P.M.Milazzo, G.V.Margagliotti, C.P.Montoya, G.F.Peaslee, L.Phair, R.Rui, C.Schwarz, M.B.Tsang, G.Vannini, C.Williams

Reducibility and a New Entropic Term in Multifragment Charge Distributions

NUCLEAR REACTIONS Cu, 197Au(Xe, X), E=30 MeV/nucleon; measured charge distributions vs fragment multiplicity; deduced thermal scaling, reducibility features.

doi: 10.1103/PhysRevC.53.R5
Citations: PlumX Metrics


1996FO16      Nucl.Instrum.Methods Phys.Res. A374, 63 (1996)

D.Fox, D.R.Bowman, G.C.Ball, A.Galindo-Uribarri, E.Hagberg, D.Horn, L.Beaulieu, Y.Larochelle

Calibration of Plastic Phoswich Detectors for Charged Particle Detection

NUCLEAR REACTIONS Ti(70Ge, X), E=35 MeV/nucleon; 12C(18O, X), E=36.5 MeV/nucleon; measured fragment ΔE-E spectra for Z=1-18; deduced detector response characteristics.

doi: 10.1016/0168-9002(95)01505-1
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1996HO19      Phys.Rev.Lett. 77, 2408 (1996)

D.Horn, G.C.Ball, D.R.Bowman, W.G.Davies, D.Fox, A.Galindo-Uribarri, A.C.Hayes, G.Savard, L.Beaulieu, Y.Larochelle, C.St-Pierre

Pionic Fusion of Heavy Ions

NUCLEAR REACTIONS 12C(12C, X), E(cm)=137 MeV; measured pionic fusion associated σ.

doi: 10.1103/PhysRevLett.77.2408
Citations: PlumX Metrics


1996LA01      Phys.Rev. C53, 823 (1996)

Y.Larochelle, L.Beaulieu, G.Anctil, B.Djerroud, D.Dore, R.Laforest, J.Pouliot, R.Roy, M.Samri, C.St-Pierre, G.C.Ball, D.R.Bowman, A.Galindo-Uribarri, E.Hagberg, D.Horn, D.Guinet, P.Lautesse

Dependence of Intermeditate Mass Fragment Production on the Reaction Mechanism in Light Heavy-Ion Collisions at Intermediate Energy

NUCLEAR REACTIONS 12C(24Mg, X), E=25, 35 MeV/nucleon; 197Au(35Cl, X), E=43 MeV/nucleon; measured σ(fragment Z, velocity), charge distributions, charged particle multiplicities; deduced entrance channel role on final breakup.

doi: 10.1103/PhysRevC.53.823
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1996MA26      Phys.Rev.Lett. 76, 2646 (1996)

P.F.Mastinu, M.Belkacem, M.D'Agostino, M.Bruno, P.M.Milazzo, G.Vannini, D.R.Bowman, N.Colonna, J.D.Dinius, A.Ferrero, M.L.Fiandri, C.K.Gelbke, T.Glasmacher, F.Gramegna, D.O.Handzy, D.Horn, W.C.Hsi, M.Huang, I.Iori, G.J.Kunde, M.A.Lisa, W.G.Lynch, G.V.Margagliotti, C.P.Montoya, A.Moroni, G.F.Peaslee, F.Petruzzelli, R.Rui, C.Schwarz, M.B.Tsang, C.Williams, V.Latora, A.Bonasera, and the Multics-Miniball Collaboration

Circumstantial Evidence for Critical Behavior in Peripheral Au + Au Collisions at 35 MeV/nucleon

NUCLEAR REACTIONS 197Au(197Au, X), E=35 MeV/nucleon; measured fragment charge, multiplicity distributions; deduced circumstantial evidence for critical behavior.

doi: 10.1103/PhysRevLett.76.2646
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1996SA14      Phys.Lett. 373B, 40 (1996)

M.Samri, G.C.Ball, L.Beaulieu, B.Djerroud, D.Dore, A.Galindo-Uribarri, E.Hagberg, D.Horn, R.Laforest, Y.Larochelle, J.Pouliot, R.Roy, C.St-Pierre

Time Scale in 24Mg Projectile Breakup at 25A and 35A MeV

NUCLEAR REACTIONS 197Au(24Mg, 24Mg'), E=23, 35 MeV/nucleon; measured projectile excitation spectra, fragment velocity distribution; deduced time scale associated with projectile breakup into 6α, 5αpH channels.

doi: 10.1016/0370-2693(96)00117-7
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1996SA28      Nucl.Phys. A609, 108 (1996)

M.Samri, L.Beaulieu, B.Djerroud, D.Dore, R.Laforest, Y.Larochelle, J.Pouliot, R.Roy, C.St-Pierre, G.C.Ball, A.Galindo-Uribarri, E.Hagberg, D.Horn

Exclusive Multidetection and Study of Projectile Breakup at 25 and 35A MeV in 24Mg + 197Au

NUCLEAR REACTIONS 197Au(24Mg, X), E=25, 35 MeV/nucleon; measured multiple projectile breakup, reconstructed excitation energy; deduced time scale. Model calculations.

doi: 10.1016/S0375-9474(96)00303-X
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1995BE27      Phys.Rev. C51, 3492 (1995)

L.Beaulieu, M.Samri, B.Djerroud, G.Auger, G.C.Ball, D.Dore, A.Galindo-Uribarri, P.Gendron, E.Hagberg, D.Horn, E.Jalbert, R.Laforest, Y.Larochelle, J.L.Laville, O.Lopez, E.Plagnol, J.Pouliot, R.Regimbart, R.Roy, J.C.Steckmeyer, C.St-Pierre, R.B.Walker

Excitation Energies in Statistical Emission of Light Charged Particles in Heavy-Ion Reactions

NUCLEAR REACTIONS 197Au(16O, X), E=70 MeV/nucleon; 197Au(24Mg, X), E=25, 35, 70 MeV/nucleon; 197Au(35Cl, X), E=30 MeV/nucleon; measured light charged particle emission characteristics; deduced total excitation energy, excitation energy removed by light charged particles. Statistical emission of light charged particles.

doi: 10.1103/PhysRevC.51.3492
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1995BO19      Nucl.Phys. A587, 499 (1995)

R.Bougault, J.F.Lecolley, M.Aboufirassi, A.Badala, B.Bilwes, R.Brou, J.Colin, F.Cosmo, D.Durand, J.Galin, A.Genoux-Lubain, D.Guerreau, D.Horn, D.Jacquet, J.L.Laville, C.Le Brun, F.Lefebvres, O.Lopez, M.Louvel, M.Mahi, M.Morjean, C.Paulot, A.Peghaire, G.Rudolf, F.Scheibling, J.C.Steckmeyer, L.Stuttge, S.Tomasevic, B.Tamain

Complete Energy Damping in 29 MeV/Nucleon Pb + Au Two-Body Final-State Reactions

NUCLEAR REACTIONS 197Au(Pb, X), E=29 MeV/nucleon; measured fragment multiplicities; deduced transient excited dinuclear system formation evidence.

doi: 10.1016/0375-9474(95)00041-X
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1995BO21      Phys.Rev. C52, 818 (1995)

D.R.Bowman, N.Colonna, W.A.Friedman, L.Celano, M.D'Agostino, J.D.Dinius, A.Ferrero, C.K.Gelbke, T.Glasmacher, D.O.Handzy, D.Horn, W.C.Hsi, M.Huang, I.Iori, M.A.Lisa, W.G.Lynch, G.V.Margagliotti, P.M.Milazzo, C.P.Montoya, A.Moroni, G.F.Peaslee, L.Phair, F.Petruzzelli, R.Scardaoni, C.Schwarz, M.B.Tsang, C.Williams

Space-Time Characteristics of Fragment Emission in the E/A = 30 MeV 129Xe + (nat)Cu Reaction

NUCLEAR REACTIONS Cu(129Xe, X), E=30 MeV/nucleon; measured intermediate mass fragment multiplicities, reduced velocity correlation functions, emission velocities; deduced fragment emission space-time characteristics. Three-body trajectory calculations, dynamical BNV code based statistical models analyses.

doi: 10.1103/PhysRevC.52.818
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1995DU04      Phys.Lett. 345B, 397 (1995)

D.Durand, J.Colin, J.F.Lecolley, C.Meslin, M.Aboufirassi, B.Bilwes, R.Bougault, R.Brou, F.Cosmo, J.Galin, A.Genoux-Lubain, D.Guerreau, D.Horn, D.Jacquet, J.L.Laville, C.Le Brun, O.Lopez, M.Louvel, M.Mahi, M.Morjean, A.Peghaire, G.Rudolf, F.Scheibling, J.C.Steckmeyer, L.Stuttge, B.Tamain, S.Tomasevic

Nuclear Disassembly Time Scales Using Space-Time Correlations

NUCLEAR REACTIONS 197Au(Pb, X), E=29 MeV/nucleon; measured three fragment σ(θ) following one-fragment breakup; deduced highly excited nuclei multi-fragmentation T1/2. Nuclear disassembly, space-time correlations.

doi: 10.1016/0370-2693(94)01582-W
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1995LA14      Phys.Lett. 352B, 8 (1995)

Y.Larochelle, G.C.Ball, L.Beaulieu, B.Djerroud, D.Dore, A.Galindo-Uribarri, P.Gendron, E.Hagberg, D.Horn, E.Jalbert, R.Laforest, J.Pouliot, R.Roy, M.Samri, C.St-Pierre

Dissipative Binary Mechanisms in 24Mg + 12C Collisions at 25A and 35A MeV

NUCLEAR REACTIONS 12C(24Mg, X), E=25, 35 MeV/nucleon; measured (fragment)(fragment)-coin; deduced binary mechanism in violent events.

doi: 10.1016/0370-2693(95)00462-T
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1995LE32      Phys.Lett. 354B, 202 (1995)

J.F.Lecolley, L.Stuttge, M.Aboufirassi, B.Bilwes, R.Bougault, R.Brou, F.Cosmo, J.Colin, D.Durand, J.Galin, A.Genoux-Lubain, D.Guerreau, D.Horn, D.Jacquet, J.L.Laville, F.Lefebvres, C.Le Brun, O.Lopez, M.Louvel, M.Mahi, C.Meslin, M.Morjean, A.Peghaire, G.Rudolf, F.Scheibling, J.C.Steckmeyer, B.Tamain, S.Tomasevic

Neck Formation and Decay in Pb + Au Collisions at 29 MeV/u

NUCLEAR REACTIONS 208Pb(197Au, X), E=29 MeV/nucleon; measured fragment-fragment relative velocity; deduced neck formation, decay, absorption by one of reactants which later decay by binary fission.

doi: 10.1016/0370-2693(95)00600-P
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1995MO07      Nucl.Phys. A583, 531c (1995)

A.Moroni, D.R.Bowman, M.Bruno, P.Buttazzo, L.Celano, N.Colonna, M.D'Agostino, J.D.Dinius, A.Ferrero, M.L.Fiandri, C.K.Gelbke, T.Glasmacher, F.Gramegna, D.O.Handzy, D.Horn, W.-C.Hsi, M.Huang, I.Iori, M.Lisa, W.G.Lynch, G.V.Margagliotti, P.F.Mastinu, P.M.Milazzo, C.Montoya, G.F.Peaslee, L.Phair, F.Petruzzelli, R.Rui, R.Scardaoni, C.Schwarz, B.Tsang, G.Vannini, C.Williams

Multifragment Emission Times in Xe Induced Reactions

NUCLEAR REACTIONS Cu(129Xe, X), E=30, 45 MeV/nucleon; measured intermediate mass fragment multiplicities. Statistical decay model analysis.

doi: 10.1016/0375-9474(94)00715-Y
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1995SA08      Nucl.Phys. A583, 427c (1995)

M.Samri, G.C.Ball, L.Beaulieu, B.Djerroud, D.Dore, A.Galindo-Uribarri, P.Gendron, E.Hagberg, D.Horn, E.Jalbert, R.Laforest, Y.Larochelle, J.Pouliot, R.Roy, C.St-Pierre

Statistical and Sequential Breakup of 24Mg in Peripheral Reactions at Intermediate Energies

NUCLEAR REACTIONS 197Au, 12C(24Mg, 6α), (26Mg, X), E=25, 35 MeV/nucleon; measured projectile-like fragment spectra, relative σ(θ); deduced projectile disassembly mechanism.

doi: 10.1016/0375-9474(94)00698-M
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1994BE35      Nucl.Phys. A580, 81 (1994)

L.Beaulieu, R.Laforest, J.Pouliot, R.Roy, C.St-Pierre, G.C.Ball, E.Hagberg, D.Horn, R.B.Walker

Breakup of Highly Excited 35Cl Projectiles on a Gold Target at 30A MeV: An exclusive analysis

NUCLEAR REACTIONS 197Au(35Cl, X), E=30 MeV/nucleon; measured σ(fragment Z, E, θ); deduced excitation energy. Source thermalization, breakup mechanism, time scale. High multiplicity coincidence. Event-by-event analysis of 17 channels. Statistical-model calculations.

doi: 10.1016/0375-9474(94)90816-8
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1994LA01      Nucl.Phys. A568, 350 (1994)

R.Laforest, D.Dore, J.Pouliot, R.Roy, C.St-Pierre, G.Auger, P.Bricault, S.Groult, E.Plagnol, D.Horn

Excitation Energy in Quasi-Elastic and Transfer Reactions in 16O + 197Au at Intermediate Energies

NUCLEAR REACTIONS 197Au(16O, X), E=50, 70 MeV/nucleon; measured σ(fragment, θ)-coin, σ(projectile breakup channel, Q), excitation energy distributions; deduced reaction mechanisms. Model calculations.

doi: 10.1016/0375-9474(94)90207-0
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1994LE12      Phys.Lett. 325B, 317 (1994)

J.F.Lecolley, L.Stuttge, M.Aboufirassi, A.Badala, B.Bilwes, R.Bougault, R.Brou, F.Cosmo, J.Colin, D.Durand, J.Galin, A.Genoux-Lubain, D.Guerreau, D.Horn, D.Jacquet, J.L.Laville, F.Lefebvres, C.Le Brun, J.Lemiere, O.Lopez, M.Louvel, M.Mahi, M.Morjean, C.Paulot, A.Peghaire, N.Prot, G.Rudolf, F.Scheibling, J.C.Steckmeyer, B.Tamain, S.Tomasevic

The Decay of Primary Products in Binary Highly Damped 208Pb + 197Au Collisions at 29 MeV/u

NUCLEAR REACTIONS 197Au(208Pb, X), E=29 MeV/nucleon; measured relative fragment multiplicity evolution vs total kinetic energy; deduced collisions characteristics.

doi: 10.1016/0370-2693(94)90018-3
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1993LO11      Phys.Lett. 315B, 34 (1993)

O.Lopez, M.Aboufirassi, A.Badala, B.Bilwes, R.Bougault, R.Brou, J.Colin, F.Cosmo, D.Durand, A.Genoux-Lubain, D.Horn, J.L.Laville, C.Le Brun, J.F.Lecolley, F.Lefebvres, M.Louvel, M.Mahi, C.Paulot, A.Peghaire, G.Rudolf, F.Scheibling, J.C.Steckmeyer, L.Stuttge, B.Tamain, S.Tomasevic

Evidence for Fast and Simultaneous Multi-Fragment Emission in Central Kr + Au Collisions at 60 MeV/u

NUCLEAR REACTIONS 197Au(Kr, X), E=60 MeV/nucleon; measured fragment multiplicities; deduced multi-fragmentation mechanism. Two different models.

doi: 10.1016/0370-2693(93)90154-A
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1992BR28      Phys.Lett. 294B, 33 (1992)

S.Bresson, M.Morjean, L.Pienkowski, R.Bougault, J.Colin, E.Crema, J.Galin, B.Gatty, A.Genoux-Lubain, D.Guerreau, D.Horn, D.Jacquet, U.Jahnke, J.Jastrzebski, A.Kordyasz, C.Le Brun, J.F.Lecolley, B.Lott, M.Louvel, C.Paulot, E.Piasecki, J.Pouthas, B.Quednau, W.U.Schroder, W.Skulski, J.Toke

Fission of Spin-Aligned Projectile-Like Nuclei in the Interactions of 29 MeV/Nucleon 208Pb with 197Au

NUCLEAR REACTIONS 197Au(208Pb, X), E=29 MeV/nucleon; measured binary fission fragment production σ, velocity vs Z, associated neutron multiplicity; deduced fission mechanism, spin alignment features.

doi: 10.1016/0370-2693(92)91635-M
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1992CH48      Nucl.Phys. A545, 229c (1992)

A.Chbihi, R.Bougault, S.Bresson, J.Colin, E.Crema, J.Galin, B.Gatty, A.Genoux-Lubain, D.Guerreau, D.Horn, D.Jacquet, U.Jahnke, J.Jastrzebski, A.Kordyasz, C.Le Brun, J.F.Lecolley, B.Lott, M.Louvel, M.Morjean, C.Paulot, E.Piasecki, L.Pienkowski, J.Pouthas, B.Quednau, W.U.Schroder, E.Schwinn, W.Skulski, J.Toke

Sequential LCP Emission Associated with Multifragmentation of the Pb + Au System at 29 MeV/u

NUCLEAR REACTIONS 197Au(Pb, X), E=29 MeV/nucleon; measured σ(θα, Eα), (fragment)(α)-velocity correlation; deduced light charged particle emission mechanism.

doi: 10.1016/0375-9474(92)90462-S
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1992DO13      Nucl.Phys. A545, 363c (1992)

D.Dore, L.Beaulieu, R.Laforest, J.Pouliot, R.Roy, C.St-Pierre, G.Auger, P.Bricault, S.Groult, E.Plagnol, D.Horn

Excitation Energy Evolution and Multi-Particle Correlations in Heavy Ion Peripheral Collisions at Intermediate Energies

NUCLEAR REACTIONS 197Au(16O, X), E=50-70 MeV/nucleon; measured σ(fragment θ), projectile breakup channel σ vs Q-values; deduced projectile breakup mechanism. Binary sequential decay interpretation.

doi: 10.1016/0375-9474(92)90476-Z
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1992RA17      Nucl.Phys. A545, 665 (1992)

D.C.Radford, H.R.Andrews, G.C.Ball, D.Horn, D.Ward, F.Banville, S.Flibotte, S.Monaro, S.Pilotte, P.Taras, J.K.Johansson, D.Tucker, J.C.Waddington, M.A.Riley, G.B.Hagemann, I.Hamamoto

Multiple Band Structure and Band Termination in 157Ho Towards Complete High-Spin Spectroscopy

NUCLEAR REACTIONS 124Sn(37Cl, 4n), E=155, 165 MeV; measured Eγ, γγ-coin, Iγ(θ, φ). 157Ho deduced levels, Iγ, J, π, rotational band characteristics, band-mixing interaction strengths.

doi: 10.1016/0375-9474(92)90298-X
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1992ST02      Nucl.Phys. A539, 511 (1992)

L.Stuttge, J.C.Adloff, B.Bilwes, R.Bilwes, F.Cosmo, M.Glaser, G.Rudolf, F.Scheibling, R.Bougault, J.Colin, F.Delaunay, A.Genoux-Lubain, D.Horn, C.Le Brun, J.F.Lecolley, M.Louvel, J.C.Steckmeyer, J.L.Ferrero

Energy Damping and Intermediate-Velocity Fragment Emission in Peripheral Kr + Au Collisions at 43 MeV/u

NUCLEAR REACTIONS 197Au(84Kr, X), E=43 MeV/nucleon; measured (fragment)(fragment)-coin, Z ≥ 8; deduced intermediate velocity fragment emission mechanism. Event-by-event analysis, triple, fourfold coincidence.

doi: 10.1016/0375-9474(92)90291-Q
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1991CH40      Phys.Rev.Lett. 67, 2950 (1991)

P.Chowdhury, C.J.Lister, D.Vretenar, Ch.Winter, V.P.Janzen, H.R.Andrews, D.J.Blumenthal, B.Crowell, T.Drake, P.J.Ennis, A.Galindo-Uribarri, D.Horn, J.K.Johansson, A.Omar, S.Pilotte, D.Prevost, D.Radford, J.C.Waddington, D.Ward

Large B(M1) Staggering at High Spins in 86Zr: Broken boson pairs in the four-quasiparticle regime

NUCLEAR REACTIONS 60Ni(30Si, 2n2p), E=135 MeV; measured DSA, γγ energy correlations, γγ-coin, γγ(θ). 86Zr deduced levels, J, π, B(λ), T1/2, band structure. Interacting boson model, broken pair approximation.

doi: 10.1103/PhysRevLett.67.2950
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1991PO12      Phys.Lett. 263B, 18 (1991)

J.Pouliot, G.Auger, P.Bricault, Y.Chan, D.Dore, S.Groult, D.Horn, S.Houde, R.Laforest, E.Plagnol, R.Roy, C.St.Pierre

Projectile Excitation Energy Evolution in Peripheral Collisions for 16O + 197Au at 32.5, 50 and 70 MeV/N

NUCLEAR REACTIONS 197Au(16O, X), E=32.5-70 MeV/nucleon; measured breakup channel yields, primary projectile-like nuclei excitation energy, breakup spectra.

doi: 10.1016/0370-2693(91)91700-6
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1991PR07      Nucl.Phys. A534, 204 (1991)

C.A.Pruneau, G.C.Ball, E.Hagberg, D.Horn, S.Gilbert, L.Potvin, C.Rioux, C.St-Pierre, T.E.Drake, A.Galindo-Uribarri, G.Zwartz, D.A.Cebra, S.Howden, J.Karn, C.A.Ogilvie, A.Vander Molen, G.D.Westfall, W.K.Wilson, J.S.Winfield

Impact-Parameter Independence of Participant Energy Spectra Measured in Symmetric Heavy-Ion Collisions

NUCLEAR REACTIONS 23Na, 19F, 45Sc, 197Au(20Ne, X), E=45 MeV/nucleon; 23Na, 19F(20Ne, X), E=35 MeV/nucleon; measured charged particles spectra multiplicities; deduced impact parameters. Energy spectra gated by impact parameter, 4π phoswich detector array, Si detector telescopes. Reaction simulations filtered by experimental acceptance.

doi: 10.1016/0375-9474(91)90563-L
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1991WA20      Nucl.Phys. A529, 315 (1991)

D.Ward, V.P.Janzen, H.R.Andrews, D.C.Radford, G.C.Ball, D.Horn, J.C.Waddington, J.K.Johansson, F.Banville, J.Gascon, S.Monaro, N.Nadon, S.Pilotte, D.Prevost, P.Taras, R.Wyss

Gamma-Ray Spectroscopy of 126Ba

NUCLEAR REACTIONS 96Zr(34S, 4n), E=155 MeV; 116Sn(13C, 3n), E=56 MeV; measured Eγ, Iγ, γγ-coin, Iγ-spin orientation correlation, DCO ratios. 126Ba deduced levels, J, δ. Enriched targets, Compton-suppressed hyperpure Ge detector array, 4π-bismuth germanate ball. Cranked shell model calculations, total routhian surface calculations.

doi: 10.1016/0375-9474(91)90798-B
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1990PI11      Nucl.Phys. A514, 545 (1990)

S.Pilotte, S.Flibotte, S.Monaro, N.Nadon, D.Prevost, P.Taras, H.R.Andrews, D.Horn, V.P.Janzen, D.C.Radford, D.Ward, J.K.Johansson, J.C.Waddington, T.E.Drake, A.Galindo-Uribarri, R.Wyss

Rotational Bands and Shape Changes in 124Ba

NUCLEAR REACTIONS 94Zr(34S, 4n), E=145 MeV; 110Cd(16O, 2n), E=60 MeV; measured Eγ, Iγ, γγ-coin, Iγ(θ), oriented nuclei. 124Ba deduced levels, J, π, δ. Enriched target, Compton-suppressed Ge detector array, 4π bismuth germanate ball. Total routhian surface calculations, cranked shell-model.

doi: 10.1016/0375-9474(90)90155-F
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1989JO04      Phys.Rev.Lett. 63, 2200 (1989)

J.K.Johansson, H.R.Andrews, T.Bengtsson, A.Djaafri, T.E.Drake, S.Flibotte, A.Galindo-Uribarri, D.Horn, V.P.Janzen, J.A.Kuehner, S.Monaro, N.Nadon, S.Pilotte, D.Prevost, D.C.Radford, I.Ragnarsson, P.Taras, A.Tehami, J.C.Waddington, D.Ward, S.Aberg

Multiple Superdeformed Bands in 153Dy

NUCLEAR REACTIONS 124Sn(34S, 5n), E not given; measured γγγ-coin, sum spectra. 153Dy deduced levels, J, π, moment of inertia, band structure, deformation, superdeformation features.

doi: 10.1103/PhysRevLett.63.2200
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1989PR02      Nucl.Phys. A500, 168 (1989)

C.Pruneau, L.Potvin, R.Roy, C.St-Pierre, G.C.Ball, R.Bougault, E.Hagberg, D.Horn, D.Cebra, D.Fox, G.D.Westfall

Peripheral Collisions of 40 MeV/u 14N with a 197Au Target

NUCLEAR REACTIONS 197Au(14N, X), (14N, pX), (14N, dX), (14N, tX), (14N, αX), E=560 MeV; measured σ(fragment θ, Z), σ(fragment Z, θ, E), σ(fragment Z(X), E(X)); deduced reaction mechanism. Natural target.

doi: 10.1016/0375-9474(89)90136-X
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1988HA02      Phys.Rev.Lett. 60, 503 (1988)

B.Haas, P.Taras, S.Flibotte, F.Banville, J.Gascon, S.Cournoyer, S.Monaro, N.Nadon, D.Prevost, D.Thibault, J.K.Johansson, D.M.Tucker, J.C.Waddington, H.R.Andrews, G.C.Ball, D.Horn, D.C.Radford, D.Ward, C.St.Pierre, J.Dudek

Superdeformed Band up to Spin ≈ (127/2) in 149Gd

NUCLEAR REACTIONS 124Sn(30Si, 5n), E=150 MeV; measured Eγ, Iγ, Doppler shift fraction. 149Gd deduced levels, J, π, moment of inertia superdeformed band quadrupole moment.

doi: 10.1103/PhysRevLett.60.503
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1988PO06      Phys.Rev. C38, 2964 (1988)

L.Potvin, R.Roy, C.St-Pierre, D.Horn

Statistical Model of Subthreshold Pion Production

NUCLEAR REACTIONS 12C, 27Al, 58Ni, W, U(12C, π0X), (14N, π0X), (16O, π0X), E=25-84 MeV/nucleon; calculated pion production σ.

doi: 10.1103/PhysRevC.38.2964
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1988TA20      Phys.Rev.Lett. 61, 1348 (1988)

P.Taras, S.Flibotte, J.Gascon, B.Haas, S.Pilotte, D.C.Radford, D.Ward, H.R.Andrews, G.C.Ball, F.Banville, S.Cournoyer, D.Horn, J.K.Johansson, S.Monaro, N.Nadon, D.Prevost, C.Pruneau, D.Thibault, D.M.Tucker, J.C.Waddington

Feeding of Discrete-Line Superdeformed Bands at Very High Spin

NUCLEAR REACTIONS 124Sn(30Si, 4n), (30Si, 5n), (30Si, 6n), (30Si, xn), E=140-160 MeV; measured γ yields, γ sum spectra, multiplicities. 149Gd deduced superdeformed band features.

doi: 10.1103/PhysRevLett.61.1348
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1987BO23      Phys.Rev. C36, 830 (1987)

R.Bougault, D.Horn, C.B.Chitwood, D.J.Fields, C.K.Gelbke, D.R.Klesch, W.G.Lynch, M.B.Tsang, K.Kwiatkowski

Intermediate-Mass Fragments from Nonbinary Processes in the Reaction of 14N on Ag at E/A = 35 MeV

NUCLEAR REACTIONS Ag(14N, X), E=490 MeV; measured σ(fragment θ, E); deduced reaction mechanism.

doi: 10.1103/PhysRevC.36.830
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1987GA12      Nucl.Phys. A470, 230 (1987)

J.Gascon, F.Banville, P.Taras, D.Ward, T.K.Alexander, H.R.Andrews, G.C.Ball, D.Horn, D.C.Radford, J.C.Waddington, A.Christy

Constant Transition Quadrupole Moments in 174Os up to Spin 20(h-bar)

NUCLEAR REACTIONS 51V(127I, 4n), E ≈ 610 MeV; measured Eγ, Iγ, recoil distance. 174Os deduced levels, J, π, T1/2, yrast level transition quadrupole moments, B(E2).

doi: 10.1016/0375-9474(87)90130-8
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1986CH01      Phys.Rev. C33, 130 (1986)

T.Chapuran, K.Dybdal, D.B.Fossan, T.Lonnroth, W.F.Piel, Jr., D.Horn, E.K.Warburton

High-Spin γ-Ray Spectroscopy in 197Bi

NUCLEAR REACTIONS, ICPND 192Pt(10B, 5n), E=50-80 MeV; measured σ(Eγ, E), γγ-coin, γ(θ), γγ(t), gamma-ray yields. 197Bi deduced levels, J, π, isomers, T1/2, configurations, B(λ), yrast sequence.

doi: 10.1103/PhysRevC.33.130
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1985AL18      Nucl.Phys. A444, 285 (1985)

T.K.Alexander, G.C.Ball, D.Horn, J.S.Forster, I.V.Mitchell, H.-B.Mak

Lifetime Measurements of Levels in 34Ar: Isoscalar and isovector matrix elements for E2 analogue transitions

NUCLEAR REACTIONS 3He(32S, n), E=80 MeV; measured DSA, nγ-coin. 34Ar levels, deduced T1/2, B(E2). Implanted 3He targets.

doi: 10.1016/0375-9474(85)90351-3
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1985HO17      Nucl.Phys. A441, 344 (1985)

D.Horn, I.S.Towner, O.Hausser, D.Ward, H.R.Andrews, M.A.Lone, J.F.Sharpey-Schafer, N.Rud, P.Taras

Single-Particle States at very High Spin in the Light Dysprosium Isotopes

NUCLEAR REACTIONS 124Sn(32S, xn), E=150, 163 MeV; measured γγ-coin, recoil distance. 150,151,152Dy deduced levels, J, π, T1/2, B(λ). Pulsed beam, Compton suppressed Ge(Li) detectors, NaI(Tl) array, plunger. Shell model, effective interactions.

NUCLEAR STRUCTURE 148,149,150,151,152Dy; calculated level, B(λ). Shell model, effective interactions.

doi: 10.1016/0375-9474(85)90037-5
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1985PI05      Phys.Rev. C31, 2087 (1985)

W.F.Piel, Jr., T.Chapuran, K.Dybdal, D.B.Fossan, T.Lonnroth, D.Horn, E.K.Warburton

High-Spin γ-Ray Spectroscopy in Z = 83 Isotopes: 199,201Bi

NUCLEAR REACTIONS 194,196Pt(10B, 5n), E=57-72 MeV; measured Eγ, Iγ, γγ-coin, Iγ(t), Iγ(θ), γγ(θ). 199,201Bi deduced levels, J, π, T1/2, δ, configurations, B(λ), yrast sequence. Enriched targets, Ge(Li), Ge detectors.

doi: 10.1103/PhysRevC.31.2087
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1985WE14      Nucl.Instrum.Methods 238, 347 (1985)

G.D.Westfall, J.E.Yurkon, J.Van Der Plicht, Z.M.Koenig, B.V.Jacak, R.Fox, G.M.Crawley, M.R.Maier, B.E.Hasselquist, R.S.Tickle, D.Horn

A Logarithmic Detection System Suitable for a 4π Array

NUCLEAR REACTIONS 197Au(14N, X), E=35 MeV/nucleon; 58Ni(35Cl, X), E=230 MeV; 12C(12C, X), E=30 MeV/nucleon; measured fragment, charge spectra.

doi: 10.1016/0168-9002(85)90472-3
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1984HA06      Nucl.Phys. A412, 141 (1984)

O.Hausser, H.R.Andrews, D.Horn, M.A.Lone, P.Taras, P.Skensved, R.M.Diamond, M.A.Deleplanque, E.L.Dines, A.O.Macchiavelli, F.S.Stephens

Transient Magnetic Fields for Large-Z Atoms Recoiling through Gadolinium

NUCLEAR REACTIONS 207Pb, 232Th, U(58Ni, 58Ni'), E=222, 230 MeV; 207Pb(136Xe, 136Xe'), E=610 MeV; measured γ(58Ni)-, γ(136Xe)-coin, Coulomb excitation, Iγ(θγ, H), transient field effect in 232Th, 238U at high spin; deduced 207Pb recoil transient magnetic field velocity dependence in Gd at 77(K). Transient field IMPAC technique.

doi: 10.1016/0375-9474(84)90389-0
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1983BO29      Phys.Lett. 130B, 167 (1983)

P.D.Bond, R.F.Casten, D.D.Warner, D.Horn

Excited States in 196Os and the Structure of the Pt-Os Transition Region

NUCLEAR REACTIONS 198Pt(14C, 16O), E=100 MeV; measured σ(E(16O)); deduced Q, Pt to Os transition region. 196Os deduced ground state mass, levels, possible J, π.

doi: 10.1016/0370-2693(83)91034-1
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1983DY02      Phys.Rev. C28, 1171 (1983)

K.Dybdal, T.Chapuran, D.B.Fossan, W.F.Piel, Jr., D.Horn, E.K.Warburton

High-Spin States in 201,203At and the Systematic Behavior of Z = 85 Isotopes

NUCLEAR REACTIONS, ICPND 192,194Pt(14N, 5n), E=58-100 MeV; measured γγ-coin, σ(Eγ, E), γ(θ), γ(t), Eγ, Iγ, γ yields. 201,203At deduced levels, J, π, T1/2, γ-branching, configurations.

doi: 10.1103/PhysRevC.28.1171
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1983HO09      Phys.Rev.Lett. 50, 1447 (1983)

D.Horn, O.Hausser, I.S.Towner, H.R.Andrews, M.A.Lone, P.Taras

Identification of Single-Particle Configurations at very High Spin in 150-152Dy

NUCLEAR STRUCTURE 148,149,150,151,152Dy; calculated levels, B(λ) ratios. Shell model.

NUCLEAR REACTIONS 124Sn(32S, xn), E=163 MeV; measured γγ-coin. 150,151,152Dy deduced levels, J, π, configurations, γ-branching, B(λ) ratios. Shell model.

doi: 10.1103/PhysRevLett.50.1447
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1983LO01      Phys.Rev. C27, 180 (1983)

T.Lonnroth, D.Horn, C.Baktash, C.J.Lister, G.R.Young

High-Spin States in 214Rn, 216Ra and a Study of Even-Even N = 128 Systematics

NUCLEAR REACTIONS 208Pb(13C, 3nα), (13C, 5n), E=75-95 MeV; measured Eγ, Iγ, αγ-coin, γγ(t), yield vs E. 214Rn, 216Ra deduced levels, J, π, T1/2, B(λ), γ-multipolarity. Enriched targets, Ge(Li), Si detectors. Shell model.

doi: 10.1103/PhysRevC.27.180
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1981CU10      Can.J.Phys. 59, 1233 (1981)

B.Cujec, A.J.Ferguson, O.Hausser, D.Horn, R.E.Warner

Cross Sections for the 16O(16O, 8Be(g.s.))24Mg Reaction and Mechanisms of α-Rearrangement Reactions

NUCLEAR REACTIONS 16O(16O, 8Be), E=53 MeV; measured 24Mg(α)-coin; deduced reaction mechanism. ΔE-E heavy-ion telescope.


1981HA17      Nucl.Phys. A362, 254 (1981)

B.Haas, D.Ward, H.R.Andrews, O.Hausser, A.J.Ferguson, J.F.Sharpey-Schafer, T.K.Alexander, W.Trautmann, D.Horn, P.Taras, P.Skensved, T.L.Khoo, R.K.Smither, I.Ahmad, C.N.Davids, W.Kutschera, S.Levenson, C.L.Dors

Yrast Isomers and very High Spin States in 148, 149, 151, 152Dy and 147Gd

NUCLEAR REACTIONS 120,122,124Sn(32S, xn), (34S, xn), E=129-165 MeV; 124Sn(28Si, 5n), E=110-149 MeV; 142Nd(12C, xn), E=56-61 MeV; measured γγ-coin, γγ(θ), γ(θ), γ(θ, t), linear polarization, recoil. 148,149,151,152Dy, 147Gd deduced levels, J, π, δ, T1/2, E2 transition strengths. Pulsed beam, Ge(Li) detectors, NaI(Tl) array, plunger, polarimeter.

doi: 10.1016/0375-9474(81)90680-1
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1981HO05      Phys.Rev. C23, 1047 (1981); Erratum Phys.Rev. C23, 2798 (1981)

D.Horn, G.R.Young, C.J.Lister, C.Baktash

High Spin Single Particle States in 152,153Er

NUCLEAR REACTIONS 144Sm(12C, xn), E=65-95 MeV; 144Sm(11B, xn), E=40-70 MeV; 124Te(32S, xn), E=125-155 MeV; measured Iγ(E, t), Iγ(θ), γγ(t). 152,153Er deduced levels, T1/2, J, π. Continuous, pulsed beams, enriched targets, Ge(Li) detectors, NaI(Tl) multiplicity filter.

doi: 10.1103/PhysRevC.23.1047
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1981HO29      Phys.Rev. C24, 2136 (1981)

D.Horn, C.Baktash, C.J.Lister

Spectroscopy of 204,206,208Rn and the Systematic Behavior of Z = 86 Isotopes

NUCLEAR REACTIONS 192,194,196Pt(16O, 4n), E=85-110 MeV; 197Au(14N, 5n), E=80-94 MeV; measured Iγ(E, t), Iγ(θ), γγ(t). 204,206,208Rn deduced levels, J, π, T1/2, γ-branching, B(λ).

doi: 10.1103/PhysRevC.24.2136
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1981KU10      Phys.Rev. C24, 1340 (1981)

S.Kubono, P.D.Bond, D.Horn

Excitation Functions of 16O Inelastic Scattering on 40Ca

NUCLEAR REACTIONS 40Ca(16O, 16O'), E=50-70 MeV; measured σ(E, θ). Coupled-channels analysis.

doi: 10.1103/PhysRevC.24.1340
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1981LI09      Phys.Rev. C23, 2078 (1981)

C.J.Lister, D.Horn, C.Baktash, E.der Mateosian, O.C.Kistner, A.W.Sunyar

High Spin States in 156Yb (N = 86)

NUCLEAR REACTIONS 144Sm(16O, 4n), E=70-120 MeV; 113In(46Ti, 2np), E=190-210 MeV; measured Eγ, Iγ, linear polarization, γγ-, γ(X-ray)-, γp-coin, γ(θ), Iγ(t). 156Yb deduced levels, J, π, δ, B(λ), γ-branching ratios, isomer T1/2. Enriched targets.

doi: 10.1103/PhysRevC.23.2078
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1980BA40      Nucl.Phys. A349, 271 (1980)

G.C.Ball, O.Hausser, T.K.Alexander, W.G.Davies, J.S.Foster, I.V.Mitchell, J.R.Beene, D.Horn, W.McLatchie

Electric Quadrupole Moments of the First Excited States of 28Si, 32S and 34S

NUCLEAR REACTIONS 4He(32S, α), (34S, α), E=70 MeV; measured Doppler-broadened line shapes, αγ(t). 32,34S levels deduced T1/2. 208Pb(28Si, 28Si'), E=105 MeV; 208Pb(32S, 32S'), (34S, 34S'), E=122 MeV; measured σ(θ, E(28Si)), σ(θ, E(32S)), σ(θ, E(34S)), Coulomb excitation. 32,34S, 28Si level deduced static quadrupole moment, B(E2). Enriched targets.

doi: 10.1016/0375-9474(80)90454-6
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1980HO30      J.Phys.(Paris), Colloq.C-10, 39 (1980)

D.Horn, G.R. Young, C.J.Lister, C.Baktash

High Spin Isomers in 153Er

NUCLEAR REACTIONS 144Sm(12C, xn), E=82 MeV; measured Eγ, Iγ, γγ-coin. 153Er deduced levels, J, π, T1/2.


1980KU03      Phys.Rev. C21, 459 (1980)

S.Kubono, P.D.Bond, D.Horn, T.R.Renner

Energy Dependence of 40Ca + 12C Elastic Scattering at 90° and 180°

NUCLEAR REACTIONS 12C(40Ca, 40Ca), (40Ca, 12C), E(cm)=18-40 MeV; measured σ(E, θ); deduced transfer reaction mechanism. DWBA analysis.

doi: 10.1103/PhysRevC.21.459
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1979BA31      Nucl.Phys. A325, 305 (1979)

G.C.Ball, W.G.Davies, J.S.Forster, H.R.Andrews, D.Horn, W.McLatchie

The Use of Exotic Heavy Ion Transfer Reactions to Study Light Neutron Rich Nuclei

NUCLEAR REACTIONS 207,208Pb(18O, 21O), (18O, 22O), (18O, 19N), (18O, 17O), E=93 MeV; measured position spectra; deduced Q. 21,22O, 19N, 17C deduced mass excess. Enriched targets, QD3 spectrometer analysis.

doi: 10.1016/0375-9474(79)90165-9
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1979HA15      Phys.Rev.Lett. 42, 1451 (1979)

O.Hausser, P.Taras, W.Trautmann, D.Ward, T.K.Alexander, H.R.Andrews, B.Haas, D.Horn

g Factors of High-Spin Yrast Traps in 146,147Gd

NUCLEAR REACTIONS 120,122,124Sn(28Si, xn), E=108-144 MeV; 144Sm(α, xn), E=30 MeV; measured γγ(θ, H, t) in Sn, Sm, Pb. 144,146,147,148Gd levels deduced T1/2, g, configuration. Paramagnetic correction, pulsed beam. Enriched targets.

doi: 10.1103/PhysRevLett.42.1451
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1979HA28      Phys.Lett. 84B, 178 (1979)

B.Haas, H.R.Andrews, O.Hausser, D.Horn, J.F.Sharpey-Schafer, P.Taras, W.Trautmann, D.Ward, T.L.Khoo, R.K.Smither

Single Particle Nature of the Yrast Line at High Angular Momentum in 152Dy

NUCLEAR REACTIONS 122Sn(34S, 4nγ), 124Sn(32S, 4nγ), E=150 MeV; measured γγ-coin, γγ(t), γ-linear polarization, DSA, RDM. 152Dy deduced levels, branching ratios, transition probabilities, T1/2, J, π.

doi: 10.1016/0370-2693(79)90278-8
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1979HO06      Nucl.Phys. A317, 520 (1979)

D.Horn, O.Hausser, B.Haas, T.K.Alexander, T.Faestermann, H.R.Andrews, D.Ward

High Spin Yrast States in N = 126 Isotones

NUCLEAR REACTIONS 204Hg, 205Tl, 206Pb(13C, 5nγ), E=72-86 MeV; measured Iγ(E, t), Iγ(θ, H, t), γγ(t), γX(t), Iγ(θ), linear polarization (γ). 212Rn, 213Fr, 214Ra deduced T1/2, g, level sequences, J, π, B(E3). Pulsed beam, enriched thick targets. Ge(Li) detectors.

doi: 10.1016/0375-9474(79)90496-2
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1979KU09      Phys.Lett. 84B, 408 (1979)

S.Kubono, P.D.Bond, D.Horn, C.E.Thorn

90° Excitation Functions for Elastic Scattering of 28Si + 16O and 28Si + 12C

NUCLEAR REACTIONS 12C, 16O(28Si, 28Si), E(cm)=12-36 MeV; measured σ(E, θ). Optical model analysis, parity dependence.

doi: 10.1016/0370-2693(79)91227-9
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1979WA13      Nucl.Phys. A326, 209 (1979)

R.E.Warner, D.C.Martin, G.C.Ball, W.G.Davies, A.J.Ferguson, D.Horn

Double Spectator Poles and Quasi-Free Inelastic Scattering in the 6Li + 6Li → 2α + 2d Reaction

NUCLEAR REACTIONS 6Li(6Li, d2α), (6Li, 2dα), E=45 MeV; observed triple coin energy spectra; deduced reaction mechanism. Isotopic target.

doi: 10.1016/0375-9474(79)90376-2
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1978BR25      Nucl.Phys. A306, 242 (1978)

B.A.Brown, O.Hausser, T.Faestermann, D.Ward, H.R.Andrews, D.Horn

Search for Parity Mixing in the 93Tc 17/2 Isomer: Measurements of Partial γ-Decay Widths

NUCLEAR REACTIONS 63Cu(32S, 2n2p), E=120 MeV; measured γ(θ), linear polarization of delayed γ-rays. 93Tc deduced levels, γ-branching, δ, limit on parity-violating E2 component in 17/2-→13/2+ transition. Enriched target, pulsed beam.

doi: 10.1016/0375-9474(78)90326-3
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1978FA17      Hyperfine Interactions 4, 216 (1978)

T.Faestermann, O.Hausser, D.Ward, H.R.Andrews, T.K.Alexander, D.Horn, T.L.Khoo

g-Factor for the K = 6, Jπ = 6+ Isomer in 178Hf

NUCLEAR REACTIONS 176Yb(α, 2n), E=27 MeV; measured Eγ, Iγ(θ, H, t). 178Hf deduced isomeric state g factor. Time-differential perturbed angular distribution technique.

doi: 10.1007/BF01021828
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1978HA07      Phys.Lett. 73B, 127 (1978)

O.Hausser, T.K.Alexander, T.Faestermann, D.Horn, D.Ward, H.R.Andrews, I.S.Towner

Magnetic Moments of Jπ = 19/2- Mirror States in 43Ti and 43Sc

NUCLEAR REACTIONS 40Ca(α, n), (α, p), E=21 MeV; measured γ(θ, H, t). 43Ti, 43Sc levels deduced T1/2, g.

doi: 10.1016/0370-2693(78)90815-8
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1978HA50      Hyperfine Interactions 4, 219 (1978)

O.Hausser, J.R.Beene, T.Faestermann, T.K.Alexander, D.Horn, A.B.McDonald, A.J.Ferguson

Knight Shifts and Absolute Magnetic Moments in Trans-Bismuth Nuclei

NUCLEAR REACTIONS 204Hg(13C, 5n), E=78 MeV; measured σ(θ, H, t); deduced Knight shift for Rn in Hg. 212Rn deduced levels, configuration, g, γ-branching, γ-multipolarity. 214Ra, 212,213Fr, 207Rn level deduced g.


1978HA52      Hyperfine Interactions 4, 196 (1978)

O.Hausser, T.Faestermann, I.S.Towner, T.K.Alexander, H.R.Andrews, J.R.Beene, D.Horn, D.Ward, C.Broude

Magnetic Moments of N = 48-50 Nuclei and Proton Core Polarization

RADIOACTIVITY 90m,88mZr, 91m,90mNb, 93mTc, 90m,91m,92mMo, 94mRu, 86mSr; measured g; deduced core polarization. Heavy ion induced reactions, evaporation residues, transient field techniques.


1978HO02      Phys.Rev. C17, 118 (1978)

D.Horn, H.A.Enge, A.Sperduto, A.Graue

Evaporation Residues from the Fusion of 32S with 58Ni and 70Ge Observed with an Energy-Mass Spectrograph

NUCLEAR REACTIONS 58Ni(32S, X), E=110 MeV; 70Ge(32S, X), E=132 MeV; measured fusion σ(A, θ).

doi: 10.1103/PhysRevC.17.118
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1978HO13      Phys.Rev.Lett. 41, 1529 (1978)

D.Horn, A.J.Ferguson

Compound-Nucleus Cross Sections from Nuclear Charge-Density Distributions

NUCLEAR REACTIONS 12C(14N, X), (19F, X), 24Mg, 27Al(32S, X), 27Al, 48Ti, 62Ni, 116,124Sn(35Cl, X); calculated compound nucleus σ.

doi: 10.1103/PhysRevLett.41.1529
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1978HO20      Nucl.Phys. A311, 238 (1978)

D.Horn, A.J.Ferguson, O.Hausser

Complete Fusion of 16O with 26Mg and 19F with 23Na

NUCLEAR REACTIONS 26Mg(16O, X), E(cm)=25-70 MeV; 23Na(19F, X), E(cm)=23-61 MeV; measured σ(E, θ), evaporation residue σ; deduced σ(E) total fusion excitation functions.

doi: 10.1016/0375-9474(78)90512-2
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1978KH02      Phys.Rev.Lett. 41, 1027 (1978)

T.L.Khoo, R.K.Smither, B.Haas, O.Hausser, H.R.Andrews, D.Horn, D.Ward

Yrast Traps and Very High-Spin Yrast States in 152Dy

NUCLEAR REACTIONS 124Sn(32S, 4nγ), E=129-160 MeV; measured σ(E, Eγ, θ, t), γγ(θ, t), recoil distance. 142Nd(12C, 2n), 143Nd(12C, 3n); measured σ(E, Eγ). 152Dy deduced yrast isomers, levels, T1/2, J, π.

doi: 10.1103/PhysRevLett.41.1027
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1978RE06      Phys.Rev. C18, 1927 (1978)

T.R.Renner, J.P.Schiffer, D.Horn, G.C.Ball, W.G.Davies

Elastic Excitation Function of 12C on 40Ca at 180°

NUCLEAR REACTIONS 40Ca(12C, 12C), E=135-150 MeV; measured σ(E), θ=180°.

doi: 10.1103/PhysRevC.18.1927
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1977DA11      Phys.Rev.Lett. 38, 1119 (1977)

W.G.Davies, G.C.Ball, A.J.Ferguson, J.S.Forster, D.Horn, R.E.Warner

Search for High-Energy Deuterons in the 3He + 3He Reaction and the Solar Neutrino Problem

NUCLEAR REACTIONS 3He(3He, d), E=15, 25 MeV; measured σ for production of high energy deuterons; deduced upper, lower σ limits.

doi: 10.1103/PhysRevLett.38.1119
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1977HA49      Nucl.Phys. A293, 248 (1977)

O.Hausser, I.S.Towner, T.Faestermann, H.R.Andrews, J.R.Beene, D.Horn, D.Ward

Magnetic Moments of N = 50 Isotones and Proton Core Polarization

NUCLEAR REACTIONS 88Sr(α, 2nγ), 90Zr(α, 2nγ), 92Mo(α, 2nγ), E=24-25 MeV; 88Sr(6Li, 3nγ), E=34 MeV; 65Cu(32S, 2n2pγ), E=120 MeV; 65Cu(32S, 2n3pγ), E=132 MeV; 64Ni(32S, 2n2pγ), E=132 MeV; 63Cu(35Cl, 2n2pγ), E=120 MeV; measured Iγ(θ, H, t). 90Zr, 91Nb, 92Mo, 93Tc, 94Ru deduced g-factors, T1/2. Ge(Li) detectors. Enriched targets of 90Zr, 65Cu, 63Cu, 64Ni.

doi: 10.1016/0375-9474(77)90490-0
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1977HO17      Phys.Rev.Lett. 39, 389 (1977)

D.Horn, O.Hausser, T.Faestermann, A.B.McDonald, T.K.Alexander, J.R.Beene, C.J.Herrlander

Core-Excited High-Spin Isomers in 212Rn

NUCLEAR REACTIONS 204Hg(13C, 5n), E=72-85 MeV; measured Iγ(E, t), γγ-coin, γ(θ), linear polarization. 212Rn deduced levels, J, π, T1/2, λ, δ, g.

doi: 10.1103/PhysRevLett.39.389
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