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Search: Author = A.Elmaani

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2000CO20      Phys.Rev. C61, 067602 (2000)

E.Colin, R.Sun, N.N.Ajitanand, J.M.Alexander, M.A.Barton, P.A.DeYoung, K.L.Drake, A.Elmaani, C.J.Gelderloos, E.E.Gualtieri, D.Guinet, S.Hannuschke, J.A.Jaasma, L.Kowalski, R.A.Lacey, J.Lauret, E.Norbeck, R.Pak, G.F.Peaslee, M.Stern, N.T.B.Stone, S.D.Sundbeck, A.M.Vander Molen, G.D.Westfall, L.B.Yang, J.Yee

Nuclear Disassembly in Violent Central Collisions at Intermediate Energies: (65-115)A MeV 40Ar + Cu, Ag, Au

NUCLEAR REACTIONS Cu, Ag, 197Au(40Ar, X), E=65-115 MeV/nucleon; measured fragments multiplicity, velocity, mass distributions; deduced rate of nuclear disassembly.

doi: 10.1103/PhysRevC.61.067602
Citations: PlumX Metrics


2000SU01      Phys.Rev.Lett. 84, 43 (2000)

R.Sun, E.Colin, N.N.Ajitanand, J.M.Alexander, M.A.Barton, P.A.DeYoung, K.L.Drake, A.Elmaani, C.J.Gelderloos, E.E.Gualtieri, D.Guinet, S.Hannuschke, J.A.Jaasma, L.Kowalski, R.A.Lacey, J.Lauret, E.Norbeck, R.Pak, G.F.Peaslee, M.Stern, N.T.B.Stone, S.D.Sundbeck, A.M.Vander Molen, G.D.Westfall, L.B.Yang, J.Yee

Balance of Mass, Momentum, and Energy in Splintering Central Collisions for 40Ar up to 115 MeV/Nucleon

NUCLEAR REACTIONS Cu, Ag, 197Au(40Ar, X), E=17-115 MeV/nucleon; measured fragments mass, charge, multiplicity, momentum, angular distributions. Comparison with statistical model.

doi: 10.1103/PhysRevLett.84.43
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2000SU12      Phys.Rev. C61, 061601 (2000)

R.Sun, E.Colin, N.N.Ajitanand, J.M.Alexander, M.A.Barton, P.A.DeYoung, K.L.Drake, A.Elmaani, C.J.Gelderloos, E.E.Gualtieri, D.Guinet, S.Hannuschke, J.A.Jaasma, L.Kowalski, R.A.Lacey, J.Lauret, E.Norbeck, R.Pak, G.F.Peaslee, M.Stern, N.T.B.Stone, S.D.Sundbeck, A.M.Vander Molen, G.D.Westfall, L.B.Yang, J.Yee

Isotropic Emission Components in Splintering Central Collisions: (17-115)A MeV 40Ar + Cu, Ag, Au

NUCLEAR REACTIONS Cu, Ag, 197Au(40Ar, X), E=17-115 MeV/nucleon; measured fragments mass and charge distributions, multiplicities, kinetic energy spectra, angular distributions; deduced reaction mechanism features. Sequential evaporation model.

doi: 10.1103/PhysRevC.61.061601
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1998CO03      Phys.Rev. C57, R1032 (1998)

E.Colin, R.Sun, N.N.Ajitanand, J.M.Alexander, M.A.Barton, P.A.DeYoung, A.Elmaani, C.J.Gelderloos, E.E.Gualtieri, D.Guinet, S.Hannuschke, J.A.Jaasma, L.Kowalski, R.A.Lacey, J.Lauret, E.Norbeck, R.Pak, G.F.Peaslee, M.Stern, N.T.B.Stone, S.D.Sundbeck, A.M.Vander Molen, G.D.Westfall, J.Yee

Splintering Central Collisions: Systematics of momentum and energy deposition for (17-115)A MeV 40Ar

NUCLEAR REACTIONS Cu, Ag, 197Au(40Ar, X), E=17-115 MeV/nucleon; measured light, intermediate, heavy fragments velocity, mass, angle, charge distributions; deduced reaction mechanism.

doi: 10.1103/PhysRevC.57.R1032
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1998PR01      Phys.Rev. C57, 1305 (1998)

D.Prindle, A.Elmaani, C.Hyde-Wright, W.Jiang, A.A.Sonzogni, R.Vandenbosch, D.Bowman, G.Cron, P.Danielewicz, J.Dinius, W.Hsi, W.G.Lynch, C.Montoya, G.Peaslee, C.Schwarz, M.B.Tsang, C.Williams, R.T.de Souza, D.Fox, T.Moore

Impact Parameter Dependence of Light Charged Particle Production in 25A MeV 16O on Tb, Ta, and Au and 35A MeV 14N on Sm and Ta

NUCLEAR REACTIONS 159Tb, 181Ta, 197Au(16O, X), E=25 MeV/nucleon; 154Sm, 181Ta(14N, X), E=35 MeV/nucleon; measured p-, d-, t-, α-spectra, multiplicities, σ(θ) vs impact parameter; deduced reaction mechanism features. Transport model calculations.

doi: 10.1103/PhysRevC.57.1305
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1996GE10      Phys.Rev. C54, 3056 (1996)

C.J.Gelderloos, J.M.Alexander, J.Boger, M.T.Magda, A.Narayanan, P.A.DeYoung, A.Elmaani, M.A.McMahan

Classical Tests for Statistical Evaporation at 680 MeV 40Ar + (nat)Ag

NUCLEAR REACTIONS Ag(40Ar, X), E=680 MeV; measured light charged particle production σ, partial linear momentum transfer. Statistical evaporation classical test, coincidence data.

doi: 10.1103/PhysRevC.54.3056
Citations: PlumX Metrics


1996MA08      Phys.Rev. C53, R1473 (1996)

M.T.Magda, E.Bauge, A.Elmaani, T.Braunstein, C.J.Gelderloos, N.N.Ajitanand, J.M.Alexander, T.Ethvignot, P.Bier, L.Kowalski, P.Desesquelles, H.Elhage, A.Giorni, S.Kox, A.Lleres, F.Merchez, C.Morand, P.Stassi, J.B.Benrachi, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Fusionlike Reactions of 40Ar up to 1.36 GeV: Prethermalization and postthermalization particles and fragments

NUCLEAR REACTIONS Ag(40Ar, X), E=0.28-1.36 GeV; measured (fragment)(fragment)-coin, light fragment (Z=1, 2) angular, energy dependences; deduced emission mechanisms.

doi: 10.1103/PhysRevC.53.R1473
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1996SO01      Phys.Rev. C53, 243 (1996)

A.A.Sonzogni, A.Elmaani, C.Hyde-Wright, W.Jiang, D.Prindle, R.Vandenbosch, J.Dinius, G.Cron, D.Bowman, C.K.Gelbke, W.Hsi, W.G.Lynch, C.Montoya, G.Peaslee, C.Schwarz, M.B.Tsang, C.Williams, R.DeSouza, D.Fox, T.Moore

Evaporation Residue, Fission Cross Sections, and Linear Momentum Transfer for 14N Induced Reactions from 35A to 155A MeV

NUCLEAR REACTIONS 154Sm, 197Au(14N, X), (14N, F), E=35-155 MeV/nucleon; 159Tb(14N, X), (14N, F), E=35-100 MeV/nucleon; measured σ(evaporation residue θ), fission fragment σ(θ); deduced fusion σ(E). 181Ta(16O, F), E=25 MeV/nucleon; 181Ta(14N, F), E=35-100 MeV/nucleon; measured fission fragment folding angle distributions; deduced preequilibrium particle emission role.

doi: 10.1103/PhysRevC.53.243
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1995GE10      Phys.Rev.Lett. 75, 3082 (1995)

C.J.Gelderloos, J.M.Alexander, N.N.Ajitanand, E.Bauge, A.Elmaani, T.Ethvignot, L.Kowalski, R.A.Lacey, M.E.Brandan, A.Giorni, D.Heuer, S.Kox, A.Lleres, A.Menchaca-Rocha, F.Merchez, D.Rebreyend, J.B.Viano, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Time Relationships between Direct Particle Emission and Fragmentation: A probe for nuclear expansion prior to fragment freeze-out

NUCLEAR REACTIONS Ag(40Ar, X), E=34 MeV/nucleon; measured intermediate mass fragment emission time relative to 2H, 3He; deduced prior fragment freeze-out expansion features.

doi: 10.1103/PhysRevLett.75.3082
Citations: PlumX Metrics


1995GE12      Phys.Rev. C52, R2834 (1995)

C.J.Gelderloos, R.Sun, N.N.Ajitanand, J.M.Alexander, E.Bauge, A.Elmaani, T.Ethvignot, R.A.Lacey, M.E.Brandan, A.Giorni, D.Heuer, S.Kox, A.Lleres, A.Menchaca-Rocha, F.Merchez, D.Rebreyend, J.B.Viano, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Emission Times for Energy Selected 1,2,3H Ejectiles from Central Collisions: 1360 MeV 40Ar + Ag

NUCLEAR REACTIONS Ag(40Ar, X), E=1.36 GeV; measured (fragment)(fragment) relative momentum, velocity difference correlations for 1,2,3H ejectiles; deduced emission times, mechanism.

doi: 10.1103/PhysRevC.52.R2834
Citations: PlumX Metrics


1994BO06      Phys.Rev. C49, 1576 (1994)

J.Boger, J.M.Alexander, G.Auger, A.Elmaani, S.Kox, R.A.Lacey, A.Narayanan, M.Kaplan, D.J.Moses, M.A.McMahan, P.A.DeYoung, C.J.Gelderloos, G.Gilfoyle

Light Charged Particle and Intermediate Mass Fragment Emission in the Reaction 640 MeV 86Kr + 63Cu

NUCLEAR REACTIONS 63Cu(86Kr, X), E=640 MeV; measured inclusive σ(θ, Ep), σ(θ, Ed), σ(θ, Et), σ(θ, Eα), (fragment)(light charged particle)-coin; deduced p-, α-multiplicities, intermediate fragment masses, kinetic energies.

doi: 10.1103/PhysRevC.49.1576
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1994BO08      Phys.Rev. C49, 1597 (1994)

J.Boger, J.M.Alexander, A.Elmaani, S.Kox, R.A.Lacey, A.Narayanan, D.J.Moses, M.A.McMahan, P.A.DeYoung, C.J.Gelderloos

Intermediate Mass Fragments from the Reactions 486, 550, 640, and 730 MeV 86Kr + 63Cu

NUCLEAR REACTIONS 63Cu(86Kr, X), E=486-730 MeV; measured inclusive σ(θ(X), E(X)); deduced intermediate fragment production mechanism. 149Tb deduced equilibrium occurs prior to fissionlike asymmetry binary breakup.

doi: 10.1103/PhysRevC.49.1597
Citations: PlumX Metrics


1994EL02      Phys.Rev. C49, 284 (1994)

A.Elmaani, J.M.Alexander, N.N.Ajitanand, R.A.Lacey, S.Fox, E.Liatard, F.Merchez, T.Motobayashi, B.Noren, C.Perrin, D.Rebreyend, T.U.Chan, G.Auger, S.Groult

Lifetimes of Well Characterized Hot Nuclei via Small-Angle Particle-Particle Correlations: 40Ar + Ag(E/A = 7.8 and 17 MeV)

NUCLEAR REACTIONS Ag(40Ar, X), E=7.8, 17 MeV/nucleon; measured (particle)(particle)(θ), light charged particle multiplicity; deduced emission source decay T1/2.

doi: 10.1103/PhysRevC.49.284
Citations: PlumX Metrics


1994LA29      Phys.Lett. 339B, 22 (1994)

J.Lauret, R.A.Lacey, A.Elmaani, A.Tsepetis, A.Moores, G.D.Westfall, D.Craig, E.Gualtieri, S.Hannuschke, T.Li, W.J.Llope, R.Pak, N.Stone, A.Vander Molen, J.Yee, A.Nadasen, R.S.Tickle, E.Norbeck

High-Order Azimuthal Correlation Functions: Powerful probes for collective motion in heavy ion reactions

NUCLEAR REACTIONS Sc(40Ar, X), E=35-115 MeV/nucleon; measured azimuthal correlation functions; deduced collective motion probing related features.

doi: 10.1016/0370-2693(94)91127-4
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1993AL22      Phys.Rev. C48, 2874 (1993)

J.M.Alexander, A.Elmaani, L.Kowalski, N.N.Ajitanand, C.J.Gelderloos

Alternatives for Understanding Qualitative Features that Dominate Particle-Particle Correlations in Heavy-Ion Reactions of ≈ 50 MeV/nucleon

NUCLEAR REACTIONS 197Au(40Ar, X), E=60 MeV/nucleon; 59Co(20Ne, X), E=30 MeV/nucleon; analyzed (light charged particle)(particle)(θ) data; deduced source size, emitter lifetime in space-time extent separate dominance.

doi: 10.1103/PhysRevC.48.2874
Citations: PlumX Metrics


1993BA19      Phys.Rev.Lett. 70, 3705 (1993)

E.Bauge, A.Elmaani, R.A.Lacey, J.Lauret, N.N.Ajitanand, D.Craig, M.Cronqvist, E.Gualtieri, S.Hannuschke, T.Li, B.Llope, T.Reposeur, A.Vander Molen, G.D.Westfall, J.S.Winfield, J.Yee, S.Yennello, A.Nadasen, R.S.Tickle, E.Norbeck

Observation of a Saturation in the Time Scale for Multifragment Emission in Symmetric Heavy-Ion Collisions

NUCLEAR REACTIONS 93Nb(84Kr, X), E=35-75 MeV/nucleon; measured (fragment)(fragment) reduced velocity correlation functions; deduced intermediate mass fragment emission T1/2, time scale saturation.

doi: 10.1103/PhysRevLett.70.3705
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1993EL01      Phys.Rev. C47, 1321 (1993)

A.Elmaani, J.M.Alexander

Reaction Simulations as a Guide to Lifetime Information from Particle-Particle Correlations

NUCLEAR REACTIONS Ag(40Ar, X), E=680, 312 MeV; calculated (particle)(particle)-correlation functions; deduced sensitivity to emitter T1/2. Associated reaction simulation calculations.

doi: 10.1103/PhysRevC.47.1321
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1993EL04      Phys.Rev. C48, 2864 (1993)

A.Elmaani, J.M.Alexander, N.N.Ajitanand, R.A.Lacey, S.Kox, E.Liatard, F.Merchez, T.Motobayashi, B.Noren, C.Perrin, D.Rebreyend, T.U.Chan, G.Auger, S.Groult

Breakup of Intermediate-Mass Fragments, 8Be and 6Li, Formed in the Reaction 40Ar + Ag at 7.8 A and 17 A MeV

NUCLEAR REACTIONS Ag(40Ar, X), E=7.8, 17 MeV/nucleon; measured (light charged particle)(particle)(θ); deduced unstable 8Be, 6Li yields.

doi: 10.1103/PhysRevC.48.2864
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1993ET01      Phys.Rev. C47, 2099 (1993)

T.Ethvignot, N.N.Ajitanand, J.M.Alexander, A.Elmaani, C.J.Gelderloos, P.Desesquelles, H.Elhage, A.Giorni, D.Heuer, S.Kox, A.Lleres, F.Merchez, C.Morand, D.Rebreyend, P.Stassi, J.B.Viano, F.Benrachi, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Transverse Momentum Correlations between Particle-Particle Pairs as a Probe of Effective Emitter Mass: 40Ar + (nat)Ag(E/A = 7, 17, 27, and 34 MeV)

NUCLEAR REACTIONS Ag(40Ar, X), E=17-34 MeV/nucleon; measured αα(θ, φ); deduced first α-emitter mass, (particle)(particle)-pair transverse momentum correlations.

doi: 10.1103/PhysRevC.47.2099
Citations: PlumX Metrics


1993ET02      Phys.Rev. C48, 618 (1993)

T.Ethvignot, J.M.Alexander, A.J.Cole, A.Elmaani, P.Desesquelles, H.Elhage, A.Giorni, D.Heuer, S.Kox, A.Lleres, F.Merchez, C.Morand, D.Rebreyend, P.Stassi, J.B.Viano, F.Benrachi, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Li-Li Azimuthal Angular Correlations: A test for emission from a rotating source versus instantaneous multifragmentation

NUCLEAR REACTIONS 197Au, Ag, Cu, 27Al(40Ar, X), E=17-34 MeV/nucleon; measured (Li)(Li)(φ); deduced dominant driving force features.

doi: 10.1103/PhysRevC.48.618
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1993LA02      Phys.Rev.Lett. 70, 1224 (1993)

R.A.Lacey, A.Elmaani, J.Lauret, T.Li, W.Bauer, D.Craig, M.Cronqvist, E.Gualtieri, S.Hannuschke, T.Reposeur, A.Vander Molen, G.D.Westfall, W.K.Wilson, J.S.Winfield, J.Lee, S.Yennello, A.Nadasen, R.S.Tickle, E.Norbeck

Multifragment Azimuthal Correlation Functions: Probes from reaction dynamics in collisions of intermediate energy heavy ions

NUCLEAR REACTIONS 45Sc(40Ar, X), E=45 MeV/nucleon; measured (fragment)(fragment)(φ); deduced rotational collective motion, flow dominance, usefulness as reaction dynamics probe.

doi: 10.1103/PhysRevLett.70.1224
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1993SA17      Phys.Rev. C47, R2457 (1993)

T.C.Sangster, M.Begemann-Blaich, Th.Blaich, H.C.Britt, A.Elmaani, N.N.Ajitanand, M.N.Namboodiri

Fragment Emission Time Scale in Intermediate Energy Heavy Ion Collisions

NUCLEAR REACTIONS 197Au(56Fe, X), E=50, 100 MeV/nucleon; measured fragment charge, velocity distributions; deduced fragment emission T1/2.

doi: 10.1103/PhysRevC.47.R2457
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1993WE09      Phys.Rev.Lett. 71, 1986 (1993)

G.D.Westfall, W.Bauer, D.Craig, M.Cronqvist, E.Gualtieri, S.Hannuschke, D.Klakow, T.Li, T.Reposeur, A.M.Vander Molen, W.K.Wilson, J.S.Winfield, J.Yee, S.J.Yennello, R.Lacey, A.Elmaani, J.Lauret, A.Nadasen, E.Norbeck

Mass Dependence of the Disappearance of Flow in Nuclear Collisions

NUCLEAR REACTIONS 12C(12C, X), E=55-155 MeV/nucleon; 27Al(20Ne, X), E=55-140 MeV/nucleon; 41Sc(40Ar, X), E=35-115 MeV/nucleon; 93Nb(86Kr, X), E=35-75 MeV/nucleon; measured flow disappearance vs mass; deduced E(balance) dependence on mass. Boltzmann-Uehling-Uehlenbeck calculations.

doi: 10.1103/PhysRevLett.71.1986
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1992EL03      Nucl.Instrum.Methods Phys.Res. A313, 401 (1992)

A.Elmaani, N.N.Ajitanand, T.Ethvignot, J.M.Alexander

Trajectory Calculations for Particle-Particle Correlations: Probes of source lifetime, rotational motion, momentum conservation and particle-unstable fragments

NUCLEAR REACTIONS 27Al(16O, X), E=140 MeV; Ag(40Ar, X), E=680 MeV; calculated (particle)(particle)-correlation function, light fragments. Ag(40Ar, X), E=1080 MeV; calculated light fragment σ(θ, φ). Trajectory calculations, rotational motion, momentum conservation, fragment particle instability.

doi: 10.1016/0168-9002(92)90818-O
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1992ET01      Phys.Rev. C46, 637 (1992)

T.Ethvignot, N.N.Ajitanand, J.M.Alexander, E.Bauge, A.Elmaani, L.Kowalski, M.Lopez, M.T.Magda, P.Desesquelles, H.Elhage, A.Giorni, D.Heuer, S.Kox, A.Lleres, F.Merchez, C.Morand, D.Rebreyend, P.Stassi, J.B.Viano, F.Benrachi, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Evolution of Fragment-Fragment Correlations in Reactions of 197Au and 107,109Ag with 40Ar from 7 A to 34 A MeV

NUCLEAR REACTIONS Ag, 197Au(40Ar, X), E=7-34 MeV/nucleon; measured (fragment)(fragment)(θ, φ), light charged particles; deduced fragment production mechanism. Trajectory model analysis.

doi: 10.1103/PhysRevC.46.637
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1992ET02      Nucl.Phys. A545, 347c (1992)

T.Ethvignot, N.N.Ajitanand, C.J.Gelderloos, J.M.Alexander, E.Bauge, A.Elmaani, R.A.Lacey, P.Desesquelles, H.Elhage, A.Giorni, D.Heuer, S.Kox, A.Lleres, F.Merchez, C.Morand, D.Rebreyend, P.Stassi, J.B.Viano, F.Benrachi, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Correlations between Pairs and Particles and Fragments from 40Ar Reactions of 7-34 A MeV

NUCLEAR REACTIONS Ag(40Ar, X), E=7-34 MeV/nucleon; measured αα-correlations; deduced composite nucleus formation, decay mechanisms. Recoil model analysis.

doi: 10.1016/0375-9474(92)90475-Y
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1992MA03      Phys.Rev. C45, 1209 (1992)

M.T.Magda, T.Ethvignot, A.Elmaani, J.M.Alexander, P.Desesquelles, H.Elhage, A.Giorni, D.Heuer, S.Kox, A.Lleres, F.Merchez, C.Morand, D.Rebreyend, P.Stassi, J.B.Viano, F.Benrachi, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Charged Particle Multiplicities in Reactions of Ag with 40Ar of 7, 17, 27, and 34 MeV/Nucleon

NUCLEAR REACTIONS Ag(40Ar, X), E=7, 17, 27, 34 MeV/nucleon; measured light charged particles multiplicities, various gating conditions; deduced σ, central impact parameter.

doi: 10.1103/PhysRevC.45.1209
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1991EL02      Phys.Rev. C43, R2474 (1991)

A.Elmaani, N.N.Ajitanand, J.M.Alexander, R.Lacey, S.Kox, E.Liatard, F.Merchez, T.Motobayashi, B.Noren, C.Perrin, D.Rebreyend, Tsan Ung Chan, G.Auger, S.Groult

Characterization of Very Highly Excited Composite Nuclei: Temperature, spin zone, radial extent, and lifetime scale of 10-22s

NUCLEAR REACTIONS Ag(40Ar, X), E=7-17 MeV/nucleon; measured (particle)(particle)-coin; deduced emitting nuclei rms spin, temperature. Statistical model calculations.

doi: 10.1103/PhysRevC.43.R2474
Citations: PlumX Metrics


1991ET02      Phys.Rev. C43, R2035 (1991)

T.Ethvignot, A.Elmaani, N.N.Ajitanand, J.M.Alexander, E.Bauge, P.Bier, L.Kowalski, M.T.Magda, P.Desesquelles, H.Elhage, A.Giorni, D.Heuer, S.Kox, A.Lleres, F.Merchez, C.Morand, D.Rebreyend, P.Stassi, J.B.Viano, S.Benrachi, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Tracking the Dissipation of Energy and Angular Momentum in Central Collisions between Ag and 40Ar of 7, 17, 27, and 34 MeV/Nucleon

NUCLEAR REACTIONS Ag(40Ar, X), E=280-1360 MeV; measured charged particles multiplicities for X=1,2,3H, 4He, Li; deduced energy dissipation trends, role of angular momentum deposition. CsI detector array.

doi: 10.1103/PhysRevC.43.R2035
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