26ème Congrès Général de la SFP

Study of isospin equilibration in projectile fragmentation

Non programmé

20m

Centre des Congrès de la Villette (Cité des sciences et de l'Industrie, Paris)

Poster MC1 Dernières avancées dans la détection et la modélisation de la fission nucléaire Session Poster 2: MC1, MC4, MC8, MC10, MC12, MC14, MC20, MC21, MC23, MC24, MC25, REDP

Orateur

Quentin FABLE (L2I Toulouse, CNRS/IN2P3, UT3)

Description

Isospin transport is investigated with 40,48Ca+40,48Ca reactions at 35 MeV/nucleon, measured with the coupling of the VAMOS high acceptance spectrometer and the INDRA charged particle multidetector.
Using the projectile remnant detected with VAMOS and carefully selected light-charged-particles measured in coincidence with INDRA, a reconstruction method is applied to estimate the excited quasi-projectile (QP) on an event-by-event basis.
Isospin diffusion is investigated using the isospin transport ratio with the asymmetry δ=(N−Z)/A of the projectile remnant as an isospin-sensitive observable and the total transverse energy of Z≤2 nuclei for experimental centrality sorting. A method for estimating the impact parameter distributions, adapted from ultra-relativistic heavy ion collisions, is also applied to improve the pertinence of comparisons with transport model calculations.

Documents de présentation

SFP_Poster_QFable.pdf