Publications (24)
New isospin e ffects in central heavy-ion collisions at Fermi energies
F. Gagnon-Moisan, E. Galichet, M. -F. Rivet +20
Isospin e ffects on multifragmentation properties were studied thanks to nuclear collisions between di fferent isotopes of xenon beams and tin targets. It is shown that, in central…
Elements Discrimination in the Study of Super-Heavy Elements using an Ionization Chamber
FULIS Collaboration, A. Wieloch, Z. Sosin +29
Dedicated ionization chamber was built and installed to measure the energy loss of very heavy nuclei at 2.7 MeV/u produced in fusion reactions in inverse kinematics (beam of 208Pb)…
Equilibrium constants of Hydrogen and Helium isotopes at low nuclear densities
R. Bougault, E. Bonnet, B. Borderie +14
Equilibrium constants for Hydrogen and Helium isotopes as a function of density and temperature are measured in the framework of the study made by Qin et al. [Qin L et al 2012 Phys…
Model independent reconstruction of impact parameter distributions for intermediate energy heavy ion collisions
INDRA Collaboration, J. D. Frankland, D. Gruyer +18
We present a model-independent method to reconstruct the impact parameter distributions of experimental data for intermediate energy heavy ion collisions, adapted from a recently p…
Study and validation of a new "3D Calorimetry" of hot nuclei with the HIPSE event generator
E. Vient, L. Manduci, E. Legouée +27
In nuclear thermodynamics, the determination of the excitation energy of hot nuclei is a fundamental experimental problem. Instrumental physicists have been trying to solve this pr…
Improving isotopic identification with \emph{INDRA} Silicon-CsI(\emph{Tl}) telescopes
O. Lopez, M. Parlog, B. Borderie +21
Profiting from previous works done with the \emph{INDRA} multidetector on the description of the light response of the CsI(\emph{Tl}) crystals to different impinging n…
Model-independent tracking of criticality signals in nuclear multifragmentation data
J. D. Frankland, A. Chbihi, A. Mignon +41
We look for signals of criticality in multifragment production in heavy-ion collisions using model-independent universal fluctuations theory. The phenomenon is studied as a functio…
A new "3D Calorimetry" of hot nuclei
E. Vient, L. Manduci, E. Legouée +27
In the domain of Fermi energy, it is extremely complex to isolate experimentally fragments and particles issued from the cooling of a hot nucleus produced during a heavy ion collis…
Phase transition dynamics for hot nuclei
B. Borderie, N. Le Neindre, M. F. Rivet +23
An abnormal production of events with almost equal-sized fragments was theoretically proposed as a signature of spinodal instabilities responsible for nuclear multifragmentation in…
Multifragment production in Au+Au at 35 MeV/u
M. D'Agostino, P. F. Mastinu, P. M. Milazzo +31
Multifragment disintegration has been measured with a high efficiency detection system for the reaction at . From the event shape analysis and the comparis…
Statistical Multifragmentation in Central Au+Au Collisions at 35 MeV/u
M. D'Agostino, A. S. Botvina, P. M. Milazzo +32
Multifragment disintegrations, measured for central Au + Au collisions at E/A = 35 MeV, are analyzed with the Statistical Multifragmentation Model. Charge distributions, mean fragm…
Light charged clusters emitted in 32 MeV/nucleon 136,124Xe+124,112Sn reactions: chemical equilibrium, 3He and 6He production
R. Bougault, E. Bonnet, B. Borderie +21
Nuclear particle production from peripheral to central events is presented. N/Z gradient between projectile and target is studied using the fact that two reactions have the same pr…
Dynamical effects in multifragmentation at intermediate energies
J. Colin, D. Cussol, J. Normand +34
The fragmentation of the quasi-projectile is studied with the INDRA multidetector for different colliding systems and incident energies in the Fermi energy range. Different experim…
Reaction and fusion cross sections for the near-symmetric system from to
L. Manduci, O. Lopez, A. Chbihi +13
\item[Background]Heavy-ion reactions from barrier up to Fermi energy. \item[Purpose]Reaction and fusion cross sections determination. Fusion reactions induced by project…
Understand the thermometry of hot nuclei from the energy spectra of light charged particles
E. Vient, L. Augey, B. Borderie +25
In the domain of Fermi energy, the hot nucleus temperature can be determined by using the energy spectra of evaporated light charged particles. But this method of measurement is no…
Nuclear multifragmentation time-scale and fluctuations of largest fragment size
D. Gruyer, J. D. Frankland, R. Botet +18
Distributions of the largest fragment charge, Zmax, in multifragmentation reactions around the Fermi energy can be decomposed into a sum of a Gaussian and a Gumbel distribution, wh…
Model-independent measurement of isospin diffusion in Ni-Ni systems at intermediate energy
C. Ciampi, J. D. Frankland, D. Gruyer +38
In this work we provide a model-independent experimental evaluation of the degree of isospin equilibration taking place in Ni+Ni collisions at 32 MeV/nucleon ac…
Experimental study of the Ca+ Ca reactions at 35 MeV/nucleon
Q. Fable, A. Chbihi, M. Boisjoli +41
In this article we investigate Ca+Ca peripheral and semi-peripheral reactions at 35 MeV/nucleon. Data were obtained using the unique coupling of the VAMOS high…
Analysis of 2-Body Central Events for from up to and for at and
L. Manduci, O. Lopez, D. Durand +6
A study of medium-mass heavy-ion reactions leading to two fragments in the exit channel from barrier to 18A MeV is proposed. A special focus is made on fission and quasi-fission fo…
Isospin diffusion in semi-peripheral + collisions at intermediate energies (I): Experimental results
E. Galichet, M. F. Rivet, B. Borderie +17
Isospin diffusion in semi-peripheral collisions is probed as a function of the dissipated energy by studying two systems + and + , over the…
Negative heat capacity for hot nuclei using formulation from the microcanonical ensemble INDRA Collaboration
B. Borderie, S. Piantelli, E. Bonnet +15
By using freeze-out properties of multifragmenting hot nuclei produced in quasifusion central Xe+Sn collisions at different beam energies (32, 39, 45 and 50 AMeV) w…
Evolution of the decay mechanisms in central collisions of + from = 8 to 29
A. Chbihi, L. Manduci, J. Moisan +4
Collisions of Xe+Sn at beam energies of = 8 to 29 and leading to fusion-like heavy residues are studied using the INDRA multidetector. The fusion cross section wa…
Sequential fissions of heavy nuclear systems
Diego Gruyer, J. D. Frankland, E. Bonnet +6
In Xe+Sn central collisions from 12 to 20 MeV/A measured with the INDRA 4 multidetector, the three-fragment exit channel occurs with a significant cross section. In this contri…
Isospin Diffusion in Ni-Induced Reactions at Intermediate Energies
E. Galichet, Marie-France Rivet, B. Borderie +17
Isospin diffusion is probed as a function of the dissipated energy by studying two systems Ni+Ni and Ni+Au, over the incident energy range 52-74\AM. Ex…