Bernard Borderie
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Research Subjects
Bernard Borderie has a total of 127 co-authors. Here are the top co-authors by number of shared publications:
- Ivano Lombardo
INFN-Sezione di Catania, Catania 95123, Italy
7 shared publications - Nicolas Le Neindre
Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, LPC Caen UMR6534, F-14000 Caen, France
7 shared publications - Alberto Camaiani
INFN Sezione di Firenze, I-50019 Sesto Fiorentino, Italy
6 shared publications - Caterina Ciampi
GANIL
6 shared publications - Diego Gruyer
Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, LPC Caen, F-14000 Caen, France
6 shared publications - Jose A. Dueñas
Universidad de Huelva
6 shared publications
Latest Publications
- 21 September 2026
- Published by American Physical Society (APS) in Physical Review C
- Vol. 114 (3) , 034622
Measurement of the forward angle C 12 + C 12 fragmentation differential cross sections at 62 MeV/nucleon
The present work reports on high-precision measurements of forward-angle fragmentation differential cross sections for the $^{12}\mathrm{C}+^{12}\mathrm{C}$ reaction at $62\phantom{\rule{4pt}{0ex}}\mathrm{MeV}/\mathrm{nucleon}$ using the FAZIA array. Angular distributions for fragments from $Z=1$ to 6 were extracted in the range ${2}^{\ensuremath{\circ}}\ensuremath{\le}{\ensuremath{\theta}}_{\text{lab}}\ensuremath{\le}{8}^{\ensuremath{\circ}}$. Particle identification was achieved by combining the $\mathrm{\ensuremath{\Delta}}E\text{--}E$ technique with pulse shape analysis, and precise energy calibrations were performed. The results show that for heavier fragments, the angular distributions are better described by the Van Bibber formulation than by the Goldhaber model, consistent with the dominance of a wide component from dissipative processes in the measured angular range. Notably, $\ensuremath{\alpha}$ particles exhibit an anomalously narrow angular distribution, likely originating from the intrinsic cluster structure of $^{12}\mathrm{C}$. Comparisons with existing data at the same incident energy show very good agreement, with a more complete set of species reported here, while a kinematic scaling is proposed to compare our data with previous experimental data at 50 and $95\phantom{\rule{4pt}{0ex}}\mathrm{MeV}/\mathrm{nucleon}$.- 21 September 2026
- Published by American Physical Society (APS) in Physical Review C
- Vol. 114 (3) , 034622
Measurement of the forward angle C 12 + C 12 fragmentation differential cross sections at 62 MeV/nucleon
The present work reports on high-precision measurements of forward-angle fragmentation differential cross sections for the $^{12}\mathrm{C}+^{12}\mathrm{C}$ reaction at $62\phantom{\rule{4pt}{0ex}}\mathrm{MeV}/\mathrm{nucleon}$ using the FAZIA array. Angular distributions for fragments from $Z=1$ to 6 were extracted in the range ${2}^{\ensuremath{\circ}}\ensuremath{\le}{\ensuremath{\theta}}_{\text{lab}}\ensuremath{\le}{8}^{\ensuremath{\circ}}$. Particle identification was achieved by combining the $\mathrm{\ensuremath{\Delta}}E\text{--}E$ technique with pulse shape analysis, and precise energy calibrations were performed. The results show that for heavier fragments, the angular distributions are better described by the Van Bibber formulation than by the Goldhaber model, consistent with the dominance of a wide component from dissipative processes in the measured angular range. Notably, $\ensuremath{\alpha}$ particles exhibit an anomalously narrow angular distribution, likely originating from the intrinsic cluster structure of $^{12}\mathrm{C}$. Comparisons with existing data at the same incident energy show very good agreement, with a more complete set of species reported here, while a kinematic scaling is proposed to compare our data with previous experimental data at 50 and $95\phantom{\rule{4pt}{0ex}}\mathrm{MeV}/\mathrm{nucleon}$.- Open Access
- 26 June 2026
- Published by American Physical Society (APS) in Physical Review C
- Vol. 113 (6)
Exploring nucleon-nucleon collisions and clusterization within the antisymmetrized molecular dynamics transport model by means of a Bayesian analysis on a dataset from the FAZIA setup
The in-medium nucleon-nucleon cross section and the cluster production are key ingredients in transport models for heavy-ion collisions. They have been constrained by the comparison of predictions of the AMD transport model to experimental data of Ne 20 + C 12 at 50 MeV/nucleon [C. Frosin , ], tuning the related parameters in the framework of a Bayesian inference. Experimental data have been collected with four blocks of the FAZIA setup. A large dataset of observables has been included in the analysis. The prior distribution of the examined parameters was chosen on the basis of the existing literature. The posterior distribution indicates a trend towards a larger number of collisions per event with respect to the previously used simulations.
- 26 June 2026
- Published by American Physical Society (APS) in Physical Review C
- Vol. 113 (6)
Open AccessExploring nucleon-nucleon collisions and clusterization within the antisymmetrized molecular dynamics transport model by means of a Bayesian analysis on a dataset from the FAZIA setup
The in-medium nucleon-nucleon cross section and the cluster production are key ingredients in transport models for heavy-ion collisions. They have been constrained by the comparison of predictions of the AMD transport model to experimental data of Ne 20 + C 12 at 50 MeV/nucleon [C. Frosin , ], tuning the related parameters in the framework of a Bayesian inference. Experimental data have been collected with four blocks of the FAZIA setup. A large dataset of observables has been included in the analysis. The prior distribution of the examined parameters was chosen on the basis of the existing literature. The posterior distribution indicates a trend towards a larger number of collisions per event with respect to the previously used simulations.
- 1 April 2025
- Published by American Physical Society (APS) in Physical Review C
- Vol. 111 (4)
Model-independent measurement of isospin diffusion in Ni-Ni systems at intermediate energy
- 1 April 2025
- Published by American Physical Society (APS) in Physical Review C
- Vol. 111 (4)
Model-independent measurement of isospin diffusion in Ni-Ni systems at intermediate energy
- 10 January 2025
- Published by World Scientific Pub Co Pte Ltd in International Journal of Modern Physics A
- Vol. 40 (09)
FAZIA: A new generation array for nuclear dynamics and EoS experiments at intermediate energies
Constraining the nuclear equation of state (EoS) parameters makes it possible to better understand the properties of the matter that constitutes our Universe. Many probes can be used to test the EoS, from the observation of neutron star mergers to heavy-ion collisions at intermediate energies. The fragments and particles emitted in collisions need to be identified with isotopic discrimination in order to give valuable information. In this regard, a specifically designed apparatus, such as FAZIA, may be used to study the equation of state. This review summarizes the advanced characteristics of the FAZIA detector array and the achievements obtained by the FAZIA collaboration in the last 15 years.
- 10 January 2025
- Published by World Scientific Pub Co Pte Ltd in International Journal of Modern Physics A
- Vol. 40 (09)
FAZIA: A new generation array for nuclear dynamics and EoS experiments at intermediate energies
Constraining the nuclear equation of state (EoS) parameters makes it possible to better understand the properties of the matter that constitutes our Universe. Many probes can be used to test the EoS, from the observation of neutron star mergers to heavy-ion collisions at intermediate energies. The fragments and particles emitted in collisions need to be identified with isotopic discrimination in order to give valuable information. In this regard, a specifically designed apparatus, such as FAZIA, may be used to study the equation of state. This review summarizes the advanced characteristics of the FAZIA detector array and the achievements obtained by the FAZIA collaboration in the last 15 years.
- 18 March 2024
- Published by Springer Nature in The European Physical Journal A
- Vol. 60 (3) , 1-6
Alpha-particle clustering in self-conjugate nuclei from the experimental side
- 18 March 2024
- Published by Springer Nature in The European Physical Journal A
- Vol. 60 (3) , 1-6
Alpha-particle clustering in self-conjugate nuclei from the experimental side
- Open Access
Negative heat capacity for hot nuclei: confirmation with formulation from the microcanonical ensemble
By using freeze-out properties of multifragmenting hot nuclei produced in quasifusion central $^{129}$Xe+$^{nat}$Sn collisions at different beam energies (32, 39, 45 and 50 AMeV) which were estimated by means of a simulation based on experimental data collected by the $4\pi$ INDRA multidetector, heat capacity in the thermal excitation energy range 4 - 12.5 AMeV was calculated from total kinetic energies and multiplicities at freeze-out. The microcanonical formulation was employed. Negative heat capacity which indicates a first order phase transition for finite systems is observed and confirms previous results using a different method.Open AccessNegative heat capacity for hot nuclei: confirmation with formulation from the microcanonical ensemble
By using freeze-out properties of multifragmenting hot nuclei produced in quasifusion central $^{129}$Xe+$^{nat}$Sn collisions at different beam energies (32, 39, 45 and 50 AMeV) which were estimated by means of a simulation based on experimental data collected by the $4\pi$ INDRA multidetector, heat capacity in the thermal excitation energy range 4 - 12.5 AMeV was calculated from total kinetic energies and multiplicities at freeze-out. The microcanonical formulation was employed. Negative heat capacity which indicates a first order phase transition for finite systems is observed and confirms previous results using a different method. - Open Access
Temperature and Density Conditions for Alpha Clustering in Excited Self-Conjugate Nuclei
Starting from experimental studies on alpha-clustering in excited self-conjugate nuclei (from O to Si), temperature and density conditions for such a clustering are determined. Measured temperatures have been found in the range of 5.5–6.0 MeV, whereas density values of 0.3–0.4 times the saturation density are deduced, i.e., 0.046 to 0.062 fm. Such a density domain is also predicted by constrained self-consistent mean field calculations. These results constitute a benchmark for alpha clustering from self-conjugate nuclei in relation to descriptions of stellar evolution and supernovae.Open AccessTemperature and Density Conditions for Alpha Clustering in Excited Self-Conjugate Nuclei
Starting from experimental studies on alpha-clustering in excited self-conjugate nuclei (from O to Si), temperature and density conditions for such a clustering are determined. Measured temperatures have been found in the range of 5.5–6.0 MeV, whereas density values of 0.3–0.4 times the saturation density are deduced, i.e., 0.046 to 0.062 fm. Such a density domain is also predicted by constrained self-consistent mean field calculations. These results constitute a benchmark for alpha clustering from self-conjugate nuclei in relation to descriptions of stellar evolution and supernovae. - Open Access
Light Cluster Production in Central Symmetric Heavy-Ion Reactions from Fermi to Gev Energies
Correlations and clustering are of great importance in the study of the Nuclear Equation of State. Information on these items/aspects can be obtained using heavy-ion reactions which are described by dynamical theories. We propose a dataset that will be useful for improving the description of light cluster production in transport model approaches. The dataset combines published and new data and is presented in a form that allows direct comparison of the experiment with theoretical predictions. The dataset is ranging in bombarding energy from 32 to 1930 A MeV. In constructing this dataset, we put in evidence the existence of a change in the light cluster production mechanism that corresponds to a peak in deuteron production.
Open AccessLight Cluster Production in Central Symmetric Heavy-Ion Reactions from Fermi to Gev Energies
Correlations and clustering are of great importance in the study of the Nuclear Equation of State. Information on these items/aspects can be obtained using heavy-ion reactions which are described by dynamical theories. We propose a dataset that will be useful for improving the description of light cluster production in transport model approaches. The dataset combines published and new data and is presented in a form that allows direct comparison of the experiment with theoretical predictions. The dataset is ranging in bombarding energy from 32 to 1930 A MeV. In constructing this dataset, we put in evidence the existence of a change in the light cluster production mechanism that corresponds to a peak in deuteron production.
- Open Access
- 8 January 2021
- Published by American Physical Society (APS) in Physical Review C
- Vol. 103 (1) , 014603
Isospin transport phenomena for the systems at 35 MeV/nucleonExperimental data concerning isospin transport phenomena for the systems at 35 MeV/nucleon are presented. Data have been collected with four FAZIA blocks; this data set is the same analyzed in S. Piantelli et al., Phys. Rev. C 101, 034613 (2020). The isotopic composition of the QuasiProjectile residue (up to around 25) and of its decay products in the two reactions are compared, finding a neutron enrichment when the target is . 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.- 8 January 2021
- Published by American Physical Society (APS) in Physical Review C
- Vol. 103 (1) , 014603
Open AccessIsospin transport phenomena for the systems at 35 MeV/nucleonExperimental data concerning isospin transport phenomena for the systems at 35 MeV/nucleon are presented. Data have been collected with four FAZIA blocks; this data set is the same analyzed in S. Piantelli et al., Phys. Rev. C 101, 034613 (2020). The isotopic composition of the QuasiProjectile residue (up to around 25) and of its decay products in the two reactions are compared, finding a neutron enrichment when the target is . 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. - Open Access
- 8 January 2021
- Published by American Physical Society (APS) in Physical Review C
- Vol. 103 (1) , 014605
Isospin diffusion measurement from the direct detection of a quasiprojectile remnant
The neutron-proton (n-p) equilibration process in 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 and 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.- 8 January 2021
- Published by American Physical Society (APS) in Physical Review C
- Vol. 103 (1) , 014605
Open AccessIsospin diffusion measurement from the direct detection of a quasiprojectile remnant
The neutron-proton (n-p) equilibration process in 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 and 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.