Transverse Velocity Scaling in Au+Au Fragmentation Transverse Velocity Scaling in Au+Au Fragmentation| Authors: | J. Lukasik, S. Hudan, F. Lavaud, K. Turzo, G. Auger, Ch.O. Bacri, M.L. Begemann-Blaich, N. Bellaize, R. Bittiger, F. Bocage, B. Borderie, P. Buchet, R. Bougault, B. Bouriquet, J.L. Charvet, A. Chbihi, R. Dayras, D. Durand, D. Dore, J.D. Frankland, E. Galichet, D. Gourio, D. Guinet, B. Hurst, C. Leduc, P. Lautesse, J.L. Laville, A. Le Fevre, R. Legrain, U. Lynen, W.F.J. Mueller, O. Lopez, L. Nalpas, H. Orth, E. Plagnol, E. Rosato, A. Saija, G. Tabacaru, C. Sfienti, C. Schwarz, J.C. Steckmeyer, B. Tamain, W. Trautmann, E. Vient, A. Trzcinski, M. Vigilante, C. Volant, B. Zwieglinski, and A.S. Botvina |
| Published: |
Phys. Rev. C66(2002)064606
[->Spires]
Preprint GSI-2002-22, July 2002 Preprint nucl-ex/0207015 |
| Abstract: |
Invariant transverse-velocity spectra of intermediate-mass
fragments were measured with the 4π multidetector system INDRA
for collisions of 197Au on 197Au at incident
energies between 40 and 150 MeV per nucleon. Their scaling
properties as a function of incident energy and atomic number Z
are used to distinguish and characterize the emissions in (i)
peripheral collisions at the projectile and target rapidities,
and in (ii) central and (iii) peripheral collisions near
midrapidity. The importance of dynamical effects is evident
in all three cases and their origin is discussed.
PACS numbers: 25.70.Mn, 25.70.Pq, 25.40.Sc |
| Paper: |
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