Isospin influence on the decay modes of the systems produced in the 78,86Kr +40,48Ca reactions at 10 AMeV

B. Gnoffo; S. Pirrone; G. Politi; M. La Commara; J.P. Wieleczko; E. De Filippo; P. Russotto; M. Trimarchi; M. Vigilante; G. Ademard; F. Amorini; L. Auditore; C. Beck; I. Bercenau; E. Bonnet; B. Borderie; G. Cardella; A. Chbihi; M. Colonna; A. D’onofrio; J.D. Frankland; E. Geraci; E. Henry; E. La Guidara; G. Lanzalone; P. Lautesse; D. Lebhertz; N. Le Neindre; I. Lombardo; K. Mazurek; S. Norella; A. Pagano; E.V. Pagano; M. Papa; E. Piasecki; F. Porto; L. Quattrocchi; M. Quinlann; F. Rizzo; U. Shoroeder; G. Spadaccini; A. Trifirò; J. Toke; G. Verde

doi:10.1051/epjconf/201611708012

Isospin influence on the decay modes of the systems produced in the 78,86Kr +40,48Ca reactions at 10 AMeV

B. Gnoffo S. Pirrone G. Politi M. La Commara J.P. Wieleczko ¹ E. De Filippo P. Russotto M. Trimarchi M. Vigilante G. Ademard ² F. Amorini L. Auditore C. Beck ³ I. Bercenau E. Bonnet ¹ B. Borderie ² G. Cardella A. Chbihi ¹ M. Colonna A. D’onofrio J.D. Frankland ¹ E. Geraci E. Henry E. La Guidara G. Lanzalone P. Lautesse ⁴ D. Lebhertz ¹ N. Le Neindre ⁵ I. Lombardo K. Mazurek ¹ S. Norella A. Pagano E.V. Pagano M. Papa E. Piasecki ¹ F. Porto ³ L. Quattrocchi M. Quinlann F. Rizzo U. Shoroeder G. Spadaccini A. Trifirò J. Toke G. Verde

1 GANIL - Grand Accélérateur National d'Ions Lourds

2 IPNO - Institut de Physique Nucléaire d'Orsay

3 DRS-IPHC - Département Recherches Subatomiques

4 IPNL - Institut de Physique Nucléaire de Lyon

5 LPCC - Laboratoire de physique corpusculaire de Caen

Abstract : The results of the analysis of the reactions 78,86Kr +40,48 Ca at 10 AMeV are presented. The experiment was performed at the INFN Laboratori Nazionali del Sud (LNS) in Catania by using the 4π multidetector CHIMERA, with beams delivered by the Superconductive Cyclotron. The competition among the various disintegration paths and in particular the isospin effects on the decay modes of the produced composite systems are investigated; this provides information about fundamental nuclear quantities such as level density, fission barrier and viscosity. Different isotopic composition and relative richness are observed among the reaction products of the two systems. An odd-even staggering effect is present in the charge distributions, in particular for the light fragments produced by the neutron-poor system. The kinematical characteristics of the IMF seem to indicate a high degree of the relaxation of the formed system. Besides, global features analysis seems to show some differences in the contribution arising from the various reaction mechanisms for the two reactions.

Type de document :

Communication dans un congrès

12th International Conference on Nucleus-Nucleus Collisions 2015 , Jun 2015, Catania, Italy. EPJ Web of Conferences, 117, pp.08012, 2016, 〈10.1051/epjconf/201611708012〉

Domaine :

Physique [physics] / Physique Nucléaire Expérimentale [nucl-ex]

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Isospin influence on the decay modes of the systems produced in the 78,86Kr +40,48Ca reactions at 10 AMeV

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Isospin influence on the decay modes of the systems produced in the 78,86Kr +40,48Ca reactions at 10 AMeV

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