Study and comparison of the decay modes of the systems formed in the reactions 78Kr+40Ca and 86Kr+48Ca at 10 AMeV

G. Politi; S. Pirrone; M. La Commara; J.P. Wieleczko; G. Ademard; E. De Filippo; M. Vigilante; F. Amorini; L. Auditore; C. Beck; I. Berceanu; E. Bonnet; B. Borderie; G. Cardella; A. Chbihi; M. Colonna; A. D'Onofrio; J.D. Frankland; E. Geraci; E. Henry; E. LaGuidara; G. Lanzalone; P. Lautesse; D. Lebhertz; N. LeNeindre; I. Lombardo; D. Loria; K. Mazurek; A. Pagano; M. Papa; E. Piasecki; F. Porto; M. Quinlann; F. Rizzo; E. Rosato; P. Russotto; W.U. Schroeder; G. Spadaccini; A. Trifirò; G. Verde

doi:10.1051/epjconf/20122102003

All issues

Volume 21 (2012)

EPJ Web of Conferences, 21 (2012) 02003

Abstract

Open Access

Issue		EPJ Web of Conferences Volume 21, 2012 CNR*11 – Third International Workshop on Compound Nuclear Reactions and Related Topics


Article Number		02003
Number of page(s)		5
Section		Heavy Ion Reactions
DOI		https://doi.org/10.1051/epjconf/20122102003
Published online		14 February 2012

EPJ Web of Conferences 21, 02003 (2012)
https://doi.org/10.1051/epjconf/20122102003

Study and comparison of the decay modes of the systems formed in the reactions ⁷⁸Kr+⁴⁰Ca and ⁸⁶Kr+⁴⁸Ca at ¹⁰ AMeV

G. Politi¹^,2, S. Pirrone¹, M. La Commara³^,4, J.P. Wieleczko⁵, G. Ademard⁵, E. De Filippo¹, M. Vigilante³^,4, F. Amorini⁶, L. Auditore⁷^,8, C. Beck⁹, I. Berceanu¹⁰, E. Bonnet⁵, B. Borderie¹¹, G. Cardella¹, A. Chbihi⁵, M. Colonna⁶, A. D'Onofrio⁴^,12, J.D. Frankland⁵, E. Geraci²^,1, E. Henry¹³, E. LaGuidara¹^,14, G. Lanzalone¹⁵^,6, P. Lautesse¹⁶, D. Lebhertz⁵, N. LeNeindre¹⁷, I. Lombardo²^,6, D. Loria⁷^,8, K. Mazurek⁵, A. Pagano¹, M. Papa¹, E. Piasecki¹⁸, F. Porto²^,6, M. Quinlann¹³, F. Rizzo²^,6, E. Rosato³^,4, P. Russotto²^,6, W.U. Schroeder¹³, G. Spadaccini³^,4, A. Trifirò⁷^,8 and G. Verde¹

¹ INFN - Catania, Italy
² Dipartimento di Fisica e Astronomia, Università di Catania, Italy
³ Dipartimento di Scienze Fisiche, Università Federico II Napoli, Italy
⁴ INFN - Napoli, Italy
⁵ GANIL - Caen, France
⁶ INFN LNS - Catania, Italy
⁷ Dipartimento di Fisica, Università di Messina, Italy
⁸ INFN Gruppo Collegato di Messina, Italy
⁹ IN2P3 - IPHC Strasbourg, France
¹⁰ IPNE, Bucharest, Romania
¹¹ IN2P3 - IPN Orsay, France
¹² Dipartimento di Scienze Ambientali - Seconda Università di Napoli, Caserta, Italy
¹³ University of Rochester, USA
¹⁴ Centro Siciliano Fisica Nucleare e Struttura della Materia, Catania, Italy
¹⁵ Università Kore, Enna, Italy
¹⁶ IN2P3 - IPN Lyon, France
¹⁷ IN2P3 - LPC Caen, France
¹⁸ University of Warsaw, Poland

Abstract

The first results of the ISODEC experiment, performed at the INFN Laboratori Nazionali del Sud (LNS) by using the CHIMERA detector, are presented. The principal aim of this experiment is to explore the isospin dependence of the decay modes of medium mass compound nuclei formed by fusion processes, by studying the competition between the various disintegration modes of 118,134Ba nuclei produced in the reactions ⁷⁸Kr+⁴⁰Ca and ⁸⁶Kr+⁴⁸Ca at 10 AMeV. The studied systems allow in fact to produce compound nuclei with a large variation of N/Z, and such data will also provide new constraint on sophisticated models attempting to describe statistical and/or dynamical properties of excited nuclei. The experiment complements data already obtained at 5.5 AMeV for ⁷⁸,⁸²Kr+⁴⁰Ca reactions, previously realized at GANIL by using the INDRA detector. First results show a strong staggering effects in the Z distributions, as well as different isotopic composition and enrichment for the reaction products in the two systems.

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