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Your search keyword '"Gerard Montarou"' showing total 2 results
Start Over Author "Gerard Montarou" Journal physical review letters
2 results on '"Gerard Montarou"'

1. Midrapidity source of intermediate-mass fragments in highly central collisions of Au + Au at 150AMeV

Author

Alessandro Olmi, Y. Grigorian, Th. Blaich, P. Koncz, Z. Seres, T. Matulewicz, S. Hölbling, J. Kecskemeti, R. Tezkratt, D. Schüll, I. Legrand, M. Crouau, P. Fintz, R. Freifelder, J. P. Alard, M. A. Vasiliev, V. Simion, P. Morel, Z. Basrak, Fouad Rami, A. Sadchikov, F. Jundt, R. Kotte, Zoltan Fodor, Nello Taccetti, D. Pelte, C. Cerruti, R. Čaplar, Gerard Montarou, J. Erö, D. Moisa, A. Zhilin, Z. Wilhelmi, J. Mösner, K.D. Hildenbrand, K. Teh, T. Wienold, S. Smolyankin, A. Buta, Mihai Petrovici, U. Sodan, P. Wagner, G. Guillaume, S. C. Jeong, Gabriele Pasquali, W. Neubert, M. Jorio, Pascal Dupieux, G. Mgebrishvili, Y. Korchagin, Giacomo Poggi, J.P. Wessels, J. P. Coffin, W. Reisdorf, L. Fraysse, A. Gobbi, M. Trzaska, N. Cindro, Christian Claude Kuhn, C. Maguire, I. M. Belayev, M. Krämer, D. Wohlfarth, Z. G. Fan, Maurizio Bini, N. Herrmann, Vladislav Manko, B. Sikora, O. Houari, Nicole Bastid, A.L. Lebedev, S. Frolov, and R. Bock

Subjects
Physics, Nuclear physics, Nuclear reaction, Transverse plane, Isotope, General Physics and Astronomy, Incident energy, Isotopes of gold, Atomic physics, Nuclear Experiment, Selection criterion, Effective nuclear charge, Charged particle
Abstract

Charged particles have been observed in collisions of Au on Au at an incident energy of 150{ital A} MeV using a high-granularity detector system covering approximately the forward hemisphere in the center-of-mass system. Highly central collisions have been studied using a double selection criterion which combines large charged-particle multiplicities with small transverse-momentum directivities. In this class of events about one quarter of the total nuclear charge emerges as intermediate-mass fragments with nuclear charges {ital Z}{gt}2. These fragments are centered at midrapidity and are produced with large transverse velocities.

Published
1992

2. Collective motion in selected central collisions of Au on Au at 150A MeV

Author

J. P. Wessels, Vladislav Manko, Alessandro Olmi, Pascal Dupieux, S. Boussange, P. Wagner, Gabriele Pasquali, P. R. Maurenzig, R. Freifelder, P. Koncz, D. Wohlfarth, J. Erö, Z. Basrak, S. C. Jeong, J. P. Coffin, L. Berger, Maurizio Bini, R. Dona, Z. Wilhelmi, A.L. Lebedev, Y. Korchagin, A. Gobbi, G. Mgebrishvili, I. Montbel, F. Jundt, J. P. Alard, P. Morel, J. Kecskemeti, N. Herrmann, V. Ramillien, R. Čaplar, C. Maguire, Fouad Rami, J. Mösner, M. A. Vasiliev, V. Simion, I. M. Belayev, A. Zhilin, C. Cerruti, J. Randrup, K. Teh, A. Buta, M. Krämer, B. Sikora, Th. Blaich, G. Guillaume, S. Hölbling, Z. Seres, W. Reisdorf, K. D. Hildenbrand, D. Schüll, I. Legrand, Christian Claude Kuhn, D. Moisa, S. Frolov, Nicole Bastid, T. Wienold, R. Kotte, D. Pelte, Gerard Montarou, S. Smolyankin, Mihai Petrovici, U. Sodan, Zoltan Fodor, V. Amouroux, M. Ibnouzahir, A. Sadchikov, L. Fraysse, M. Trzaska, N. Cindro, Z. G. Fan, Giacomo Poggi, P. Fintz, Y. Grigorian, R. Tezkratt, A. Houari, and W. Neubert

Subjects
Physics, Nuclear reaction, Nuclear physics, Complete data, Collective model, General Physics and Astronomy, Collective motion, Atomic physics, Kinetic energy, Spectral line, Calculation methods
Abstract

Using the FOPI facility at GSI Darmstadt complete data of Au on Au collisions at 150[ital A] MeV were collected for charged products ([ital Z]=1--15) at laboratory angles 1[degree][le][Theta][sub lab][le]30[degree]. Central collisions were selected by applying various criteria. The kinetic energy spectra of fragments from an isolated midrapidity source are investigated in detail for center-of-mass angles 25[degree][le][Theta][sub c.m.][le]45[degree]. The heavy products ([ital Z][ge]3) are used to determine the collective energy which is found to be at least 10[ital A] MeV.

Published
1994

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