Isospin diffusion measurement from the direct detection of a quasiprojectile remnant

A. Camaiani, G. Casini, S. Piantelli, A. Ono, E. Bonnet, R. Alba, S. Barlini, B. Borderie, R. Bougault, C. Ciampi, A. Chbihi, M. Cicerchia, M. Cinausero, J. A. Dueñas, D. Dell'Aquila, Q. Fable, D. Fabris, C. Frosin, J. D. Frankland, F. GramegnaD. Gruyer, K. I. Hahn, M. Henri, B. Hong, S. Kim, A. Kordyasz, M. J. Kweon, H. J. Lee, J. Lemarié, N. Leneindre, I. Lombardo, O. Lopez, T. Marchi, S. H. Nam, P. Ottanelli, M. Parlog, G. Pasquali, G. Poggi, J. Quicray, A. A. Stefanini, S. Upadhyaya, S. Valdré, E. Vient

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11 Citations (Scopus)


The neutron-proton (n-p) equilibration process in Ca48+Ca40 at 35 MeV/nucleon bombarding energy is experimentally estimated by means of the isospin transport ratio. Experimental data are collected with a subset of the FAZIA telescope array, which permits us to determine the Z and N of detected fragments. For the first time, the quasiprojectile (QP) evaporative channel is compared with the QP breakup one in a homogeneous and consistent way, pointing to comparable n-p equilibration, which suggests a close interaction time between projectile and target independently of the exit channel. Moreover, in the QP evaporative channel n-p equilibration is compared with the prediction of the antisymmetrized molecular dynamics model coupled with the Gemini statistical model as an afterburner, showing a higher probability of proton and neutron transfers in the simulation with respect to the experimental data.

Original languageEnglish
Article number014605
JournalPhysical Review C
Issue number1
Publication statusPublished - 2021 Jan 8

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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