Isospin diffusion measurement from the direct detection of a quasiprojectile remnant - Dynamique et Thermodynamique Nucléaire (LPC Caen) Access content directly
Journal Articles Phys.Rev.C Year : 2021

Isospin diffusion measurement from the direct detection of a quasiprojectile remnant

A. Camaiani
  • Function : Author
G. Casini
  • Function : Author
S. Piantelli
A. Ono
  • Function : Author
R. Alba
  • Function : Author
S. Barlini
  • Function : Author
C. Ciampi
  • Function : Author
M. Cicerchia
  • Function : Author
M. Cinausero
  • Function : Author
J.A. Dueñas
  • Function : Author
D. Dell'Aquila
  • Function : Author
D. Fabris
  • Function : Author
C. Frosin
  • Function : Author
F. Gramegna
  • Function : Author
K.I. Hahn
  • Function : Author
B. Hong
  • Function : Author
S. Kim
  • Function : Author
A. Kordyasz
  • Function : Author
M.J. Kweon
  • Function : Author
H.J. Lee
  • Function : Author
I. Lombardo
  • Function : Author
T. Marchi
  • Function : Author
S.H. Nam
  • Function : Author
P. Ottanelli
  • Function : Author
G. Pasquali
  • Function : Author
G. Poggi
  • Function : Author
A.A. Stefanini
  • Function : Author
S. Upadhyaya
  • Function : Author
S. Valdré
  • Function : Author

Abstract

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.

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Dates and versions

hal-03122309 , version 1 (06-10-2021)

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A. Camaiani, G. Casini, S. Piantelli, A. Ono, E. Bonnet, et al.. Isospin diffusion measurement from the direct detection of a quasiprojectile remnant. Phys.Rev.C, 2021, 103 (1), pp.014605. ⟨10.1103/PhysRevC.103.014605⟩. ⟨hal-03122309⟩
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