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NSR database version of April 11, 2024.

Search: Author = R.Laforest

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2003RO11      Phys.Rev. C 67, 064602 (2003)

D.J.Rowland, R.Laforest, E.Ramakrishnan, M.Veselsky, E.M.Winchester, A.Ruangma, E.Martin, S.J.Yennello

Formation of excited systems with a wide range in N/Z

NUCLEAR REACTIONS 197Au(20F, X), (20Ne, X), (20Na, X), E=32 MeV/nucleon; measured fragments isotopic yields, excitation energies; deduced reaction mechanism features.

doi: 10.1103/PhysRevC.67.064602
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2002PI11      Phys.Rev. C65, 064606 (2002)

L.Pienkowski, K.Kwiatkowski, T.Lefort, W.-C.Hsi, L.Beaulieu, V.E.Viola, A.Botvina, R.G.Korteling, R.Laforest, E.Martin, E.Ramakrishnan, D.Rowland, A.Ruangma, E.Winchester, S.J.Yennello, B.Back, H.Breuer, S.Gushue, L.P.Remsberg

Breakup Time Scale Studied in the 8 GeV/c π- + 197Au Reaction

NUCLEAR REACTIONS 197Au(π-, X), E at 8 GeV/c; measured fragments charge, energy, angular distributions; deduced breakup time scale, related reaction mechanism features.

doi: 10.1103/PhysRevC.65.064606
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2002RU12      Phys.Rev. C66, 044603 (2002)

A.Ruangma, R.Laforest, E.Martin, E.Ramakrishnan, D.J.Rowland, M.Veselsky, E.M.Winchester, S.J.Yennello, L.Beaulieu, W.-c.Hsi, K.Kwiatkowski, T.Lefort, V.E.Viola, A.Botvina, R.G.Korteling, L.Pienkowski, H.Breuer, S.Gushue, L.P.Remsberg, B.Back

Caloric curve of 8 GeV/c π-, p-bar + 197Au reactions

NUCLEAR REACTIONS 197Au(p-bar, X), (π-, X), E at 8 GeV/c; measured fragment spectra, yields ratios; deduced caloric curves. Comparison with model predictions.

doi: 10.1103/PhysRevC.66.044603
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2001BE05      Phys.Rev. C63, 031302 (2001)

L.Beaulieu, T.Lefort, K.Kwiatkowski, W.-c.Hsi, L.Pienkowski, R.G.Korteling, R.Laforest, E.Martin, E.Ramakrishnan, D.Rowland, A.Ruangma, V.E.Viola, E.Winchester, S.J.Yennello

Testing Binomial Reducibility and Thermal Scaling in Hadron-Induced Multifragmentation

NUCLEAR REACTIONS 197Au(π-, X), E at 8 Gev/c; measured charged particle energy spectra, n-fold intermediate mass fragment probability distributions and emission times, single fragment emission probability, binomial parameters.

doi: 10.1103/PhysRevC.63.031302
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2001BE63      Phys.Rev. C64, 064604 (2001)

L.Beaulieu, T.Lefort, K.Kwiatkowski, W.-C.Hsi, G.Wang, D.S.Bracken, E.Cornell, D.S.Ginger, K.B.Morley, V.E.Viola, F.Gimeno-Nogues, R.Laforest, E.Martin, E.Ramakrishnan, D.Rowland, A.Ruangma, E.Winchester, S.J.Yennello, R.G.Korteling, L.Pienkowski, H.Breuer, B.Back, S.Gushue, L.P.Remsberg, M.J.Huang, W.G.Lynch, M.B.Tsang, H.Xi

Thermal Excitation-Energy Deposition in 5-15 GeV/c Hadron-Induced Reactions with 197Au. II. Relation between Excitation Energy and Reaction Variables

NUCLEAR REACTIONS 197Au(p, X), (p-bar, X), (π-, X), E at 5.0-14.6 GeV/c; measured fragments charge distributions, longitudinal and transverse velocity, multiplicities; deduced source excitation energy, reaction mechanism features.

doi: 10.1103/PhysRevC.64.064604
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2001LE42      Phys.Rev. C64, 064603 (2001)

T.Lefort, L.Beaulieu, K.Kwiatkowski, W.-C.Hsi, V.E.Viola, R.Laforest, E.Martin, E.Ramakrishnan, D.Rowland, A.Ruangma, E.Winchester, S.J.Yennello, L.Pienkowski, R.G.Korteling, H.Breuer

Thermal Excitation-Energy Deposition in 5-15 GeV/c Hadron-Induced Reactions with 197Au. I. Reconstruction of the Thermal Source Properties

NUCLEAR REACTIONS 197Au(p, X), (p-bar, X), (π-, X), E at 5.0-14.6 GeV/c; measured charged particle spectra, multiplicities, charge distributions; deduced thermal source excitation energy, related features.

doi: 10.1103/PhysRevC.64.064603
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2001VE01      Phys.Lett. 497B, 1 (2001)

M.Veselsky, R.W.Ibbotson, R.Laforest, E.Ramakrishnan, D.J.Rowland, A.Ruangma, E.M.Winchester, E.Martin, S.J.Yennello

Isospin Dependence of Isobaric Ratio Y(3(H)/Y(3He) and Its Relation to Temperature

NUCLEAR REACTIONS 112,124Sn(28Si, X), E=30, 50 MeV/nucleon; measured light, intermediate fragment yields, 3H/3He yield ratio vs excitation energy and quasiprojectile N/Z ratio; deduced source temperature.

doi: 10.1016/S0370-2693(00)01318-6
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2001VI02      Nucl.Phys. A681, 267c (2001)

V.E.Viola, T.Lefort, L.Beaulieu, K.Kwiatkowski, G.Wang, R.de Souza, L.Pienkowski, A.Botvina, H.Breuer, D.Durand, R.G.Korteling, R.Laforest, E.Martin, E.Ramakrishnan, D.Rowland, A.Ruangma, E.Winchester, S.J.Yennello

Signals for the Transition from Liquid to Gas in Hot Nuclei

NUCLEAR REACTIONS 197Au(p, X), (p-bar, X), (π-, X), E at 5-15 GeV/c; measured intermediate mass fragments kinetic energy, correlation functions; deduced nuclear phase transition features.

doi: 10.1016/S0375-9474(00)00526-1
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2001WI01      Phys.Rev. C63, 014601 (2001)

E.M.Winchester, J.A.Winger, R.Laforest, E.Martin, E.Ramakrishnan, D.J.Rowland, A.Ruangma, S.J.Yennello, G.D.Westfall, A.Vander Molen, E.Norbeck

Effect of System N/Z on the Enhanced Production of Even-Z Fragments Observed in Heavy Ion Reactions

NUCLEAR REACTIONS 58Fe, 58Ni(40Ar, X), (40Cl, X), (40Ca, X), E=25 MeV/nucleon; measured fragments isotopic yields, charge distributions; deduced enhancement of even-Z fragments, effect of system charge-to-mass ratio.

doi: 10.1103/PhysRevC.63.014601
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2001YE01      Nucl.Phys. A681, 317c (2001)

S.J.Yennello, M.Veselsky, R.Laforest, D.Rowland, E.Ramakrishnan, A.Ruangma, E.M.Winchester, E.Martin

Distribution of Isospin during Fragmentation of Excited Quasiprojectiles from the Reactions of 28Si + 112, 124Sn at 30 and 50 MeV/nucleon

NUCLEAR REACTIONS 112,124Sn(28Si, X), E=30, 50 MeV/nucleon; measured quasiprojectile mass distributions, light fragment yields; deduced isospin dependence of charged particle multiplicity.

doi: 10.1016/S0375-9474(00)00534-0
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2000BE27      Phys.Rev.Lett. 84, 5971 (2000)

L.Beaulieu, T.Lefort, K.Kwiatkowski, R.T.de Souza, W.-C.Hsi, L.Pienkowski, B.Back, D.D.Bracken, H.Breuer, E.Cornell, F.Gimeno-Nogues, D.S.Ginger, S.Gushue, R.G.Korteling, R.Laforest, E.Martin, K.B.Morley, E.Ramakrishnan, L.P.Remsberg, D.Rowland, A.Ruangma, V.E.Viola, G.Wang, E.Winchester, S.J.Yennello

Signals for a Transition from Surface to Bulk Emission in Thermal Multifragmentation

NUCLEAR REACTIONS 197Au(π-, X), E at 8-9.2 GeV/c; 197Au(p, X), E at 10.2 GeV/c; measured intermediate mass fragments correlation functions vs excitation energy; deduced transition between surface and bulk emission of fragments.

doi: 10.1103/PhysRevLett.84.5971
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2000CA53      Eur.Phys.J. A 9, 491 (2000)

G.Casini, M.Bini, S.Calamai, R.Laforest, P.R.Maurenzig, A.Olmi, G.Pasquali, S.Piantelli, G.Poggi, F.Saint-Laurent, J.C.Steckmeyer, A.A.Stefanini, N.Taccetti

Energy and Angular Momentum Sharing in Dissipative Collisions

NUCLEAR REACTIONS 116Sn(93Nb, X), E=24.9 MeV/nucleon; 93Nb(116Sn, X), E=24.9 MeV/nucleon; measured fragment masses, kinetic energy distributions, light charged particle spectra, multiplicities; deduced energy and angular momentum sharing, related reaction mechanism features.

doi: 10.1007/s100500070007
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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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2000LE29      Phys.Rev. C62, 031604 (2000)

T.Lefort, L.Beaulieu, A.Botvina, D.Durand, K.Kwiatkowski, W.-c.Hsi, L.Pienkowski, H.Breuer, R.G.Korteling, R.Laforest, E.Martin, E.Ramakrishnan, D.Rowland, A.Ruangma, V.E.Viola, E.Winchester, S.J.Yennello

Thermal Expansion Effects in the 8 GeV/c π- + 197Au Reaction

NUCLEAR REACTIONS 197Au(π-, X), E at 8 GeV/c; measured fragments charge, kinetic energy spectra; deduced thermal expansion effects. Comparison with statistical multifragmentation models.

doi: 10.1103/PhysRevC.62.031604
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2000MA54      Phys.Rev. C62, 027601 (2000)

E.Martin, R.Laforest, E.Ramakrishnan, D.J.Rowland, A.Ruangma, E.M.Winchester, S.J.Yennello

Transition in Isospin Behavior between Light and Heavy Fragments Emitted from Excited Nuclear Systems

NUCLEAR REACTIONS Xe(p, X), E=80-350 GeV; 58Ni, 58Fe(58Ni, X), (58Fe, X), E=30 MeV/nucleon; C, Ni, Ag, Ho(14N, X), E=35 MeV/nucleon; analyzed fragments N/Z ratio; deduced systematic features.

doi: 10.1103/PhysRevC.62.027601
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2000VE06      Phys.Rev. C62, 041605 (2000)

M.Veselsky, R.W.Ibbotson, R.Laforest, E.Ramakrishnan, D.J.Rowland, A.Ruangma, E.M.Winchester, E.Martin, S.J.Yennello

Inhomogeneous Isospin Distribution in the Reactions of 28Si + 112Sn and 124Sn at 30 and 50 MeV/nucleon

NUCLEAR REACTIONS 112,124Sn(28Si, X), E=30, 50 MeV/nucleon; measured light charged particles, intermediate mass fragments N/Z distribution, multiplicities, 3H/3He yield ratios; deduced quasiprojectile features.

doi: 10.1103/PhysRevC.62.041605
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2000VE08      Phys.Rev. C62, 064613 (2000)

M.Veselsky, R.W.Ibbotson, R.Laforest, E.Ramakrishnan, D.J.Rowland, A.Ruangma, E.M.Winchester, E.Martin, S.J.Yennello

Effect of Nucleon Exchange on Projectile Multifragmentation in the Reactions of 28Si + 112Sn and 124Sn at 30 and 50 MeV/nucleon

NUCLEAR REACTIONS 112,124Sn(28Si, X), E=30, 50 MeV/nucleon; measured fragments isotopic yields, velocity distributions; deduced nucleon exchange effects, quasiprojectile mass, charge, excitation energy. Comparison with Monte Carlo simulation.

doi: 10.1103/PhysRevC.62.064613
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1999BE49      Phys.Lett. 463B, 159 (1999)

L.Beaulieu, K.Kwiatkowski, W.-C.Hsi, T.Lefort, L.Pienkowski, R.G.Korteling, G.Wang, B.Back, D.S.Bracken, H.Breuer, E.Cornell, F.Gimeno-Nogues, D.S.Ginger, S.Gushue, M.J.Huang, R.Laforest, W.G.Lynch, E.Martin, K.B.Morley, L.P.Remsberg, D.Rowland, E.Ramakrishnan, A.Ruangma, M.B.Tsang, V.E.Viola, E.Winchester, H.Xi, S.J.Yennello

Thermal Excitation of Heavy Nuclei with 5-15 GeV/c Antiproton, Proton and Pion Beams

NUCLEAR REACTIONS 197Au(p, X), (p-bar, X), (π-, X), E at 5-15 GeV/c; measured excitation energy spectra, intermediate mass fragments yields.

doi: 10.1016/S0370-2693(99)01016-3
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1999CA37      Phys.Rev.Lett. 83, 2537 (1999)

G.Casini, G.Poggi, M.Bini, S.Calamai, P.R.Maurenzig, A.Olmi, G.Pasquali, A.A.Stefanini, N.Taccetti, J.C.Steckmeyer, R.Laforest, F.Saint-Laurent

Angular Momentum Sharing in Dissipative Collisions

NUCLEAR REACTIONS 93Nb(116Sn, X), 116Sn(93Nb, X), E=24.9 MeV/nucleon; measured light charged particle multiplicity, (projectilelike fragment)(light charged particle)-coin; deduced angular momentum sharing, dependence on mass transfer.

doi: 10.1103/PhysRevLett.83.2537
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1999KW07      Nucl.Phys. (Supplement) A654, 786c (1999)

K.Kwiatkowski, W.-C.Hsi, G.Wang, T.Lefort, D.S.Bracken, E.Cornell, E.Renshaw Foxford, D.S.Ginger, V.E.Viola, N.R.Yoder, R.G.Korteling, E.C.Pollacco, R.Legrain, C.Volant, F.Gimeno-Nogues, R.Laforest, E.Martin, E.Ramakrishnan, D.Rowland, A.Ruangma, E.Winchester, S.J.Yennello, W.G.Lynch, M.B.Tsang, H.Xi, H.Breuer, K.B.Morley, S.Gushue, L.P.Remsberg, L.Pienkowski, J.Brzychczyk, A.Botvina, W.A.Friedman

Multifragmentation with GeV Light-Ion Beams

NUCLEAR REACTIONS 197Au(3He, X), E=4.8 GeV; measured intermediate mass fragment velocities and correlations, compound excitation energy probabilities. 197Au(p-bar, X), E at 8 GeV/c; measured light charged particles and intermediate mass fragments multiplicity distributions. Comparison between both reactions.

doi: 10.1016/S0375-9474(00)88547-4
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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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1999LA09      Phys.Rev. C59, 2567 (1999)

R.Laforest, E.Ramakrishnan, D.J.Rowland, A.Ruangma, E.M.Winchester, E.Martin, S.J.Yennello

Dependence of Projectile Fragmentation on Target N/Z

NUCLEAR REACTIONS 112,124Sn(28Si, X), E=30, 50 MeV/nucleon; measured light, intermediate fragments charge, multiplicity distributions, velocity spectra, isotopic yield ratios; deduced fragmentation dependence on target N/Z.

doi: 10.1103/PhysRevC.59.2567
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1999LE34      Nucl.Phys. A655, 275c (1999)

T.LeFort, K.Kwiatkowski, W.-C.Hsi, L.Beaulieu, V.E.Viola, L.Pienkowski, R.G.Korteling, R.Laforest, E.Martin, E.Ramakrishnan, D.Rowland, A.Ruangma, E.Winchester, S.J.Yennello, S.Gushue, L.P.Remsberg, B.Back, H.Breuer

Heating Nuclei with 8 GeV/c Antiprotons

NUCLEAR REACTIONS 197Au(p-bar, X), (π-, X), E at 8 GeV/c; measured charged-particle multiplicity, intermediate mass fragments energy distributions; deduced energy deposition features.

doi: 10.1016/S0375-9474(99)00213-4
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1999LE53      Phys.Rev.Lett. 83, 4033 (1999)

T.Lefort, K.Kwiatkowski, W.-C.Hsi, L.Pienkowski, L.Beaulieu, B.Back, H.Breuer, S.Gushue, R.G.Korteling, R.Laforest, E.Martin, E.Ramakrishnan, L.P.Remsberg, D.Rowland, A.Ruangma, V.E.Viola, E.Winchester, S.J.Yennello

Heating 197Au Nuclei with 8 GeV/c Antiproton and π- Beams

NUCLEAR REACTIONS 197Au(p-bar, X), (π-, X), E at 8 GeV/c; measured charged particle and intermediate mass fragment multiplicities, energy deposition and excitation energy probabilities, excitation energy and mass distributions of target-like fragments. Intranuclear cascade calculations.

doi: 10.1103/PhysRevLett.83.4033
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1999PL06      Nucl.Phys. (Supplement) A654, 815c (1999)

E.Plagnol, G.Auger, M.Assenard, C.O.Bacri, J.Benlliure, E.Bisquer, B.Borderie, R.Bougault, R.Brou, J.L.Charvet, A.Chbihi, J.Colin, D.Cussol, R.Dayras, E.De Filippo, A.Demeyer, D.Dore, D.Durand, Ph.Eudes, A.Genoux-Lubain, E.Gerlic, M.Germain, D.Gourio, D.Guinet, R.Laforest, P.Lautesse, J.L.Laville, L.Lebreton, C.LeBrun, J.F.Lecolley, A.LeFevre, T.Lefort, R.Legrain, O.Lopez, M.Louvel, L.Nalpas, N.Marie, V.Metivier, M.Parlog, J.Peter, O.Politi, E.C.Pollacco, A.Rahmani, R.Regimbart, T.Reposeur, E.Rosato, M.F.Rivet, F.Saint-Laurent, S.Salou, A.Siwek, M.Squalli, J.C.Steckmeyer, M.Stern, B.Tamain, L.Tassan-Got, O.Tirel, E.Vient, C.Volant, J.P.Wieleczko, A.Wieloch, M.Yu.Gang

Dynamical Aspects of Fragment Production in Heavy Ion Collisions

doi: 10.1016/S0375-9474(00)88553-X
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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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1998LA04      Phys.Rev. C57, R1027 (1998)

Y.Larochelle, L.Gingras, L.Beaulieu, R.Laforest, R.Roy, M.Samri, C.St-Pierre

Symmetrization of Emitter Size in Violent ' Light ' Heavy Ion Collisions at Intermediate Energy

NUCLEAR REACTIONS 12C(35Cl, X), E=43 MeV/nucleon; measured light charged particles σ(E, θ) vs Z; deduced reaction mechanism. Dissipative binary mechanism, statistical model calculations.

doi: 10.1103/PhysRevC.57.R1027
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1998RA07      Phys.Rev. C57, 1803 (1998)

E.Ramakrishnan, H.Johnston, F.Gimeno-Nogues, D.J.Rowland, R.Laforest, Y.-W.Lui, S.Ferro, S.Vasal, S.J.Yennello

Fragment Emission from the Mass-Symmetric Reactions 58Fe, 58Ni + 58Fe, 58Ni at E(beam) = 30 MeV/nucleon

NUCLEAR REACTIONS 58Fe, 58Ni(58Fe, X), (58Ni, X), E=30 MeV/nucleon; measured intermediate mass fragments yields, angular distributions; deduced reaction mechanism features. Moving source analysis, model calculations.

doi: 10.1103/PhysRevC.57.1803
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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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1997MA05      Phys.Lett. 390B, 41 (1997)

Y.-G.Ma, A.Siwek, J.Peter, F.Gulminelli, R.Dayras, L.Nalpas, B.Tamain, E.Vient, G.Auger, Ch.O.Bacri, J.Benlliure, E.Bisquer, B.Borderie, R.Bougault, R.Brou, J.L.Charvet, A.Chbihi, J.Colin, D.Cussol, E.De Filippo, A.Demeyer, D.Dore, D.Durand, P.Ecomard, P.Eudes, E.Gerlic, D.Gourio, D.Guinet, R.Laforest, P.Lautesse, J.L.Laville, L.Lebreton, J.F.Lecolley, A.Le Fevre, T.Lefort, R.Legrain, O.Lopez, M.Louvel, J.Lukasik, N.Marie, V.Metivier, A.Ouatizerga, M.Parlog, E.Plagnol, A.Rahmani, T.Reposeur, M.F.Rivet, E.Rosato, F.Saint-Laurent, M.Squalli, J.C.Steckmeyer, M.Stern, L.Tassan-Got, C.Volant, J.P.Wieleczko

Surveying the Nuclear Caloric Curve

NUCLEAR REACTIONS 58Ni(36Ar, X), E=52-95 MeV/nucleon; measured quasiprojectiles charge, mass, excitation energy, double isotopic yield ratios; deduced different temperature excitation energy dependence. Two statistical models, sequential evaporation, gas in complete equilibrium.

doi: 10.1016/S0370-2693(96)01372-X
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1997MA07      Phys.Lett. 391B, 15 (1997)

N.Marie, R.Laforest, R.Bougault, J.P.Wieleczko, D.Durand, Ch.O.Bacri, J.F.Lecolley, F.Saint-Laurent, G.Auger, J.Benlliure, E.Bisquer, B.Borderie, R.Brou, J.L.Charvet, A.Chbihi, J.Colin, D.Cussol, R.Dayras, E.De Filippo, A.Demeyer, D.Dore, P.Ecomard, P.Eudes, D.Gourio, D.Guinet, P.Lautesse, J.L.Laville, A.Le Fevre, T.Lefort, R.Legrain, O.Lopez, M.Louvel, V.Metivier, L.Nalpas, A.Ouatizerga, M.Parlog, J.Peter, E.Plagnol, A.Rahmani, T.Reposeur, M.F.Rivet, E.Rosato, S.Salou, M.Squalli, J.C.Steckmeyer, B.Tamain, L.Tassan-Got, E.Vient, C.Volant

A Hot Expanding Source in 50 A MeV Xe + Sn Central Reactions

NUCLEAR REACTIONS Sn(129Xe, X), E=50 MeV/nucleon; measured central events characteristics, light charged particles average c.m. kinetic energy; deduced single isotropic source evidence.

doi: 10.1016/S0370-2693(96)01446-3
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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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1996BO36      Phys.Lett. 388B, 224 (1996)

B.Borderie, D.Durand, F.Gulminelli, M.Parlog, M.F.Rivet, L.Tassan-Got, G.Auger, Ch.O.Bacri, J.Benlliure, E.Bisquer, R.Bougault, R.Brou, J.L.Charvet, A.Chbihi, J.Colin, D.Cussol, R.Dayras, E.De Filippo, A.Demeyer, D.Dore, P.Ecomard, Ph.Eudes, D.Gourio, D.Guinet, R.Laforest, P.Lautesse, J.L.Laville, L.Lebreton, J.F.Lecolley, A.Le Fevre, T.Lefort, R.Legrain, O.Lopez, M.Louvel, N.Marie, V.Metivier, L.Nalpas, A.Ouatizerga, J.Peter, E.Plagnol, A.Rahmani, T.Reposeur, E.Rosato, F.Saint-Laurent, M.Squalli, J.C.Steckmeyer, B.Tamain, E.Vient, C.Volant, J.P.Wieleczko

Kinematical Properties and Composition of Vaporizing Sources: Is thermodynamical equilibrium achieved ( Question )

NUCLEAR REACTIONS 58Ni(36Ar, X), E=95 MeV/nucleon; analyzed light particle angle-integrated spectra, other data; deduced vaporizing sources kinematical properties, composition, thermodynamical equilibrium characteristics.

doi: 10.1016/S0370-2693(96)01037-4
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1996JE03      Nucl.Phys. A604, 208 (1996)

S.C.Jeong, D.Cussol, D.Durand, R.Laforest, J.Peter, J.C.Angelique, G.Auger, G.Bizard, R.Brou, A.Buta, C.Cabot, Y.Cassagnou, E.Crema, Y.El Masri, P.Eudes, Z.Y.He, A.Kerambrun, C.Lebrun, R.Legrain, J.P.Patry, A.Peghaire, R.Regimbart, E.Rosato, F.Saint-Laurent, J.C.Steckmeyer, B.Tamain, E.Vient

Onset of Collective Expansion in Nucleus-Nucleus Collisions Below 100 MeV/u

NUCLEAR REACTIONS 27Al(36Ar, X), E=55-95 MeV/nucleon; measured fragment kinetic energy, charge; deduced quasi-projectile mass, excitation energy, thermal expansion evidence. 4π-array.

doi: 10.1016/0375-9474(96)00115-7
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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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1996RI17      Phys.Lett. 388B, 219 (1996)

M.F.Rivet, A.Chbihi, B.Borderie, Ph.Eudes, M.Parlog, L.Tassan-Got, G.Auger, Ch.O.Bacri, J.Benlliure, E.Bisquer, R.Bougault, R.Brou, J.L.Charvet, J.Colin, D.Cussol, R.Dayras, E.De Filippo, A.Demeyer, D.Dore, D.Durand, P.Ecomard, D.Gourio, D.Guinet, R.Laforest, P.Lautesse, J.L.Laville, L.Lebreton, J.F.Lecolley, A.Le Fevre, T.Lefort, R.Legrain, O.Lopez, M.Louvel, N.Marie, V.Metivier, L.Nalpas, A.Ouatizerga, J.Peter, E.Plagnol, A.Rahmani, T.Reposeur, E.Rosato, F.Saint-Laurent, M.Squalli, J.C.Steckmeyer, B.Tamain, E.Vient, C.Volant, J.P.Wieleczko

Vaporization Events from Binary Dissipative Collisions

NUCLEAR REACTIONS 58Ni(36Ar, X), E=52-95 MeV/nucleon; measured light, heavy particles relative velocity distributions; deduced vaporization related features.

doi: 10.1016/S0370-2693(96)01036-2
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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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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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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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1994DO05      Phys.Lett. 323B, 103 (1994)

D.Dore, L.Beaulieu, R.Laforest, J.L.Laville, O.Lopez, J.Pouliot, R.Regimbart, R.Roy, J.C.Steckmeyer, C.St-Pierre

Statistical Signatures of the Quasi-Projectile Breakup at 70A MeV

NUCLEAR REACTIONS 197Au(24Mg, X), E=70 MeV/nucleon; measured fragment yield for fragment Z=8, 12 vs excitation energy; deduced quasiprojecticle breakup statistical signatures.

doi: 10.1016/0370-2693(94)90276-3
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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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1994LA41      Nucl.Instrum.Methods Phys.Res. A348, 167 (1994)

Y.Larochelle, L.Beaulieu, B.Djerroud, D.Dore, P.Gendron, E.Jalbert, R.Laforest, J.Pouliot, R.Roy, M.Samri, C.St-Pierre

Energy-Light Relation for CsI(Tl) Scintillators in Heavy Ion Experiments at Intermediate Energies

NUCLEAR REACTIONS 24Mg(12C, X), E=35 MeV/nucleon; measured fragment energy spectra, Z=1, 2, other aspects; deduced CsI(Tl) scintillators energy-light relation.

doi: 10.1016/0168-9002(94)90856-7
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1993PO01      Phys.Lett. 299B, 210 (1993)

J.Pouliot, D.Dore, R.Laforest, R.Roy, C.St-Pierre

On the Breakup of Excited 16O Projectiles into Four Alphas at Intermediate Energies

NUCLEAR REACTIONS 197Au(16O, 4α), E=50, 70 MeV/nucleon; measured relative θ distribution for 4α; deduced projectile breakup mechanism. Prompt fragmentation, binary sequential decay models.

doi: 10.1016/0370-2693(93)90249-H
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1993PO15      Phys.Rev. C48, 2514 (1993); Erratum Phys.Rev. C49, 3360 (1994)

J.Pouliot, L.Beaulieu, B.Djerroud, D.Dore, R.Laforest, R.Roy, C.St-Pierre, J.A.Lopez

Evidence for the Statistical and Sequential Nature of 16O Breakup into Four Alphas

NUCLEAR REACTIONS 197Au(16O, X), E=50 MeV/nucleon; analyzed projectile breakup data. 16O deduced 4α-breakup mechanism features.

doi: 10.1103/PhysRevC.48.2514
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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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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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