Re-separation modes of $^{197}$Au + $^{197}$Au system at sub-Fermi energies

J. Wilczynski; I. Skwira-Chalot; K. Siwek-Wilczynska; W. Gawlikowicz; J. Lukasik; F. Amorini; A. Anzalone; L. Auditore; V. Baran; J. Brzychczyk; G. Cardella; S. Cavallaro; M.B. Chatterjee; M. Colonna; E. De Filippo; M. Di Toro; A. Grzeszczuk; P. Guazzoni; S. Kowalski; E. La Guidara E.; G. Lanzano; G. Lanzalone; C. Maiolino; Z. Majka; N.G. Nicolis; A. Pagano; E.I Piaseck; S. Pirrone; R. Planeta; G. Politi; F. Porto; F. Rizzo; P. Russotto; K. Schmidt; A. Sochocka; L. Swiderski; A. Trifiro; M. Trimarchi; J.P. Wieleczko; L. Zetta; W. Zipper

HAL : in2p3-00275841, version 1

DOI : 10.1142/S0218301308009537

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14th Workshop on Nuclear Physics Marie and Pierre Curie Large Scale Collective Motion, Kazimierz Dolny : Pologne (2007)

Re-separation modes of $^{197}$Au + $^{197}$Au system at sub-Fermi energies

J. Wilczynski, I. Skwira-Chalot, K. Siwek-Wilczynska, W. Gawlikowicz, J. Lukasik, F. Amorini¹, A. Anzalone¹, L. Auditore, V. Baran¹, J. Brzychczyk, G. Cardella, S. Cavallaro, M.B. Chatterjee, M. Colonna¹, E. De Filippo², M. Di Toro¹, A. Grzeszczuk, P. Guazzoni, S. Kowalski, E. La Guidara E.¹, G. Lanzano², G. Lanzalone¹, C. Maiolino¹, Z. Majka, N.G. Nicolis, A. Pagano², E.I Piaseck, S. Pirrone², R. Planeta, G. Politi², F. Porto¹, F. Rizzo¹, P. Russotto¹, K. Schmidt, A. Sochocka, L. Swiderski, A. Trifiro, M. Trimarchi, J.P. Wieleczko³, L. Zetta⁴, W. Zipper

(2008)

Collisions of a very heavy nuclear system, 197Au + 197Au, were studied at the energy of 15 MeV/nucleon with the aim to identify and investigate main macroscopic modes of re-separation of such a heavy nuclear system. The experiment was performed at the INFN LNS laboratory in Catania by using the multidetector array CHIMERA. Along with binary strongly damped collisions, a strong component of a new re-separation mode: the "fast ternary fission" in characteristic nearly co-linear configuration was observed and the time scale of this process was determined.

1 :	LNS - Laboratori Nazionali del Sud

2 :	INFN, Sezione di Catania - Istituto Nazionale di Fisica Nucleare, Sezione di Catania

3 :	GANIL - Grand Accélérateur National d'Ions Lourds

4 :	INFN, Sezione di Milano - Istituto Nazionale di Fisica Nucleare, Sezione di Milano

Thème(s)

Physique/Physique Nucléaire Expérimentale


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Soumis le : Vendredi 25 Avril 2008, 14:55:18
Dernière modification le : Lundi 28 Avril 2008, 09:25:12