Experimental data concerning isospin transport phenomena for the systems Kr80+Ca40,48 at 35 MeV/nucleon are presented. Data have been collected with four FAZIA blocks; this data set is the same analyzed in S. Piantelli, Phys. Rev. C 101, 034613 (2020)2469-998510.1103/PhysRevC.101.034613. The isotopic composition of the QuasiProjectile residue (up to Z around 25) and of its decay products in the two reactions are compared, finding a neutron enrichment when the target is Ca48. The isotopic composition of the emitted light charged particles (LCP) and intermediate mass fragments (IMF) was also investigated in different windows of velocity. The obtained results have been compared with the prediction of the transport model AMD followed by the statistical code GEMINI (used as an afterburner), with different recipes for the density dependence of the symmetry energy term in the nuclear equation of state. A weak indication in favor of a stiff symmetry energy emerges when the fragments emitted at midvelocity are examined.
Isospin transport phenomena for the systems Kr 80 + Ca 40,48 at 35 MeV/nucleon / Piantelli S.; Casini G.; Ono A.; Poggi G.; Pastore G.; Barlini S.; Bini M.; Boiano A.; Bonnet E.; Borderie B.; Bougault R.; Bruno M.; Buccola A.; Camaiani A.; Chbihi A.; Ciampi C.; Cicerchia M.; Cinausero M.; Degerlier M.; Duenas J.A.; Fable Q.; Fabris D.; Frankland J.D.; Frosin C.; Gramegna F.; Gruyer D.; Kordyasz A.; Kozik T.; Lemarie J.; Le Neindre N.; Lombardo I.; Lopez O.; Mantovani G.; Marchi T.; Henri M.; Morelli L.; Olmi A.; Ottanelli P.; Parlog M.; Pasquali G.; Quicray J.; Stefanini A.A.; Tortone G.; Upadhyaya S.; Valdre S.; Verde G.; Vient E.; Vigilante M.. - In: PHYSICAL REVIEW C. - ISSN 2469-9985. - ELETTRONICO. - 103:(2021), pp. 0-0. [10.1103/PhysRevC.103.014603]
Isospin transport phenomena for the systems Kr 80 + Ca 40,48 at 35 MeV/nucleon
Piantelli S.;Poggi G.;Pastore G.;Barlini S.;Bini M.;Buccola A.;Camaiani A.;Ciampi C.;Frosin C.;Gruyer D.;Olmi A.;Ottanelli P.;Pasquali G.;Stefanini A. A.;
2021
Abstract
Experimental data concerning isospin transport phenomena for the systems Kr80+Ca40,48 at 35 MeV/nucleon are presented. Data have been collected with four FAZIA blocks; this data set is the same analyzed in S. Piantelli, Phys. Rev. C 101, 034613 (2020)2469-998510.1103/PhysRevC.101.034613. The isotopic composition of the QuasiProjectile residue (up to Z around 25) and of its decay products in the two reactions are compared, finding a neutron enrichment when the target is Ca48. The isotopic composition of the emitted light charged particles (LCP) and intermediate mass fragments (IMF) was also investigated in different windows of velocity. The obtained results have been compared with the prediction of the transport model AMD followed by the statistical code GEMINI (used as an afterburner), with different recipes for the density dependence of the symmetry energy term in the nuclear equation of state. A weak indication in favor of a stiff symmetry energy emerges when the fragments emitted at midvelocity are examined.
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