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Accueil > Recherche & Enseignement

M. Daniel Cussol

Directeur de recherche CNRS

Groupes : Applications industrielles et médicales
Théorie et phénoménologie

cussol in2p3.fr


+33 2 31 45 29 73


SUJETS DE RECHERCHE

Le code de simulation Classical N Body Dynamics
calcule les trajectoires classiques de particules en interaction. Les résultats de ces simulations on été présentés dans des articles et des conférences. Les mécanismes observés dans les collisions d’ions lourds sont également présent dans cette simulation.

Accès au code d’analyse des simulations

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PUBLICATIONS


[in2p3-01347982] Characterization and performances of DOSION, a dosimetry equipment dedicated to radiobiology experiments taking place at GANIL

17 mars 2017

Currently,radiobiology experiments using heavy ions at GANIL GrandAccélérateurNationald’IonsLourds) are conducted under the supervision of the CIMAP (Center for research on Ions, MAterials and Photonics). In this context, a new beam monitoring equipment named DOSION has been developed. It allows (...)

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[in2p3-01177619] The Billotron: a way to experimentally apprehend the subatomic world

18 juillet 2015

The Billotron is a device designed and built by the LPC Caen to illustrate the methods with which physicists are able to study the basic structure of matter, in particular the nucleus of the atom.

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[in2p3-00010822] Emission time scale of light particles in the system Xe+Sn at 50 A.MeV - A probe for dynamical emission ?

3 juillet 2015

Proton and deuteron correlation functions have been investigated with both impact parameter and emission source selections. The correlations of the system 129Xe+NatSn at 50 AMeV have been measured with the 4π INDRA which provides a complete kinematical description of each event. The emission (...)

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[in2p3-00007851] Dynamical effects in nuclear collisions in the fermi energy range: aligned breakup of heavy projectiles

3 juillet 2015

Recent experimental results concerning heavy systems (Pb + Au, Pb + Ag, Pb + Al, Gd + C, Gd + U, Xe + Sn, ...) obtained at GANIL with the INDRA and NAUTILUS 4$\pi arrays will be presented. The study of reaction mechanisms has shown the dominant binary and highly dissipative character of the (...)

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[hal-00137572] New approach of fragment charge correlations in $^{129}$Xe+$^{nat}$Sn central collisions

3 juillet 2015

A previous analysis of the charge (Z) correlations in the $\Delta Z-$ plane for Xe+Sn central collisions at 32 MeV/u has shown an enhancement in the production of equally sized fragments (low $\Delta Z$) which was interpreted as an evidence for spinodal decomposition. However the signal is weak (...)

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[in2p3-00003952] Study of intermediate velocity products in the Ar+Ni collisions between 52 and 95 A.MeV

3 juillet 2015

Intermediate velocity products in Ar+Ni collisions from 52 to 95 A.MeV are studied in an experiment performed at the GANIL facility with the 4$\pi$ multidetector INDRA. It is shown that these emissions cannot be explained by statistical decays of the quasi-projectile and the quasi-target in (...)

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[in2p3-00003421] Is reducibility in nuclear multifragmentation related to thermal scaling?

3 juillet 2015

Thermal scaling (Arrhenius law for an “elementary” probability p of binomial function) and reducibility in intermediate mass fragments (IMF's) production are examined for data of the reaction 129Xe+ natSn at 50 MeV/u. The study of the longitudinal velocities and of the average transverse energies (...)

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[in2p3-00005978] Evidence for dynamical proton emission in peripheral Xe + Sn collisions at 50 MeV/u

3 juillet 2015

Relative angle correlation functions for mid-rapidity protons built up from 50 MeV/u Xe+Sn data recorded by the INDRA multidetector exhibit the characteristics of a non-equilibrated emission: they show an energy dependent anisotropy which cannot be accounted for by standard evaporation (...)

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[in2p3-00005276] Digital filtering a common analysis for data and mean field theories in heavy-ions collisions at intermediate energy

3 juillet 2015

To select well-defined event configurations from heavy-ion collisions in the Fermi energy domain, a digital filtering technique of the charge density distribution along the deflection axis in the velocity space is presented. Charge density appears as a robust variable and can be used for a (...)

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[in2p3-00003451] Surveying the nuclear caloric curve

3 juillet 2015

The 4π array INDRA was used to detect nearly all charged products emitted in Ar + Ni collisions between 52 and 95 MeV/u. The charge, mass and excitation energy E∗ of the quasi-projectiles have been reconstructed event by event. Excitation energies up to 25 MeV per nucleon are (...)

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[in2p3-00000114] A hot expanding source in 50 A MeV Xe+Sn central reactions

3 juillet 2015

The INDRA multidetector has been used to study multifragmentation processes in central collisions for the Xe + Sn reaction at 50 A MeV. A single isotropic source formed at an excitation energy of 12 A MeV exhausting most of the emitted charged products has been isolated in such collisions. The (...)

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[in2p3-00003596] Mass scaling of reaction mechanisms in intermediate energy heavy ion collisions

3 juillet 2015

Reaction mechanisms have been studied for two nearly symmetrical systems of different total mass, between 25 and 74 AMeV. It is shown that collisions are mostly binary whatever the system mass and the bombarding energy. From the slowing-down of the partners, it is possible to establish the (...)

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[in2p3-00008144] Prompt light particle emission in the $^{36}$Ar+$^{58}$Ni reaction at 95 MeV/nucleon

3 juillet 2015

The prompt component at intermediate velocity of light charged particles is investigated. An improved coalescence model coupled to the intra-nuclear cascade code ISABEL is used to obtain light complex particle energy spectra and multiplicities as a function of impact parameter. The results are (...)

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[hal-00001474] Model-independent tracking of criticality signals in nuclear multifragmentation data

3 juillet 2015

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 function of system size, bombarding energy, and impact parameter in a wide range of INDRA data. For very central (...)

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[in2p3-00009778] Properties of light particles produced in Ar + Ni collisions at 95 A.MeV : evaporation versus prompt emission

3 juillet 2015

Intermediate velocity emissions of light charged particle are studied for te Ar + Ni system at 95 A. MeV. Experimental parallel veocity distributions and transverse energies are compared to those of a calculation based on intranuclear cascades followed by an evaporation step. The trend of the (...)

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[in2p3-00839436] Characterization and performances of a monitoring ionization chamber dedicated to IBA-universal irradiation head for Pencil Beam Scanning

30 juin 2015

Every radiotherapy center has to be equipped with real-time beam monitoring devices. In 2008, the medical application group from the Laboratory of Corpuscular Physics (LPC Caen) developed an Ionization Chamber in collaboration with the company IBA (Ion Beam Applications). This monitoring device (...)

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[in2p3-01017198] Zero degree measurements of 12C fragmentation at 95 MeV/nucleon on thin targets

2 juillet 2014

During therapeutic treatments using ions such as carbon, nuclear interactions between the incident ions and nuclei present in organic tissues may occur, leading to the attenuation of the incident beam intensity and to the production of secondary light charged particles. As the biological dose (...)

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Comparisons of hadrontherapy-relevant data to nuclear interaction codes in the Geant4 toolkit

10 janvier 2014

Comparisons between experimental data, INCL and other nuclear models available in the Geant4 toolkit are presented. The data used for the comparisons come from a fragmentation experiment realised at GANIL facility. The main purpose of this experiment was to measure production rates and angular (...)

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[in2p3-00879483] Proton computed tomography from multiple physics processes

4 novembre 2013

Proton CT (pCT) nowadays aims at improving hadron therapy treatment planning by mapping the relative stopping power (RSP) of materials with respect to water. The RSP depends mainly on the electron density of the materials. The main information used is the energy of the protons. However, during (...)

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Simulation study on light ions identification methods for carbon beams from 95 to 400 MeV/A

1er octobre 2013

Monte Carlo simulations have been performed in order to evaluate the efficiencies of several light ions identification techniques. The detection system was composed with layers of scintillating material to measure either the deposited energy or the time-of-flight of ions produced by nuclear (...)

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[in2p3-00858656] Benchmarking geant4 nuclear models for hadron therapy with 95 MeV/nucleon carbon ions

5 septembre 2013

In carbon therapy, the interaction of the incoming beam with human tissue may lead to the production of a large amount of nuclear fragments and secondary light particles. An accurate estimation of the biological dose on the tumor and the surrounding healthy tissue thus requires sophisticated (...)

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Characterization and performances of a monitoring ionization chamber dedicated to IBA-universal irradiation head for Pencil Beam Scanning

28 juin 2013

Every radiotherapy center has to be equipped with real-time beam monitoring devices. In 2008, the medical application group from the Laboratory of Corpuscular Physics (LPC Caen) developed an Ionization Chamber in collaboration with the company IBA (Ion Beam Applications). This monitoring device (...)

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Characterization and performances of a monitoring ionization chamber dedicated to IBA-universal irradiation head for Pencil Beam Scanning

18 juin 2013

Every radiotherapy center has to be equipped with real-time beam monitoring devices. In 2008, the medical application group from the Laboratory of Corpuscular Physics (LPC Caen) developed an Ionization Chamber in collaboration with the company IBA (Ion Beam Applications). This monitoring device (...)

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[in2p3-00829487] Double differential fragmentation cross-section measurements of 95 MeV/u 12C on thin targets for hadrontherapy

3 juin 2013

During therapeutic treatment with heavy ions like carbon, the beam undergoes nuclear fragmentation and secondary light charged particles, in particular protons and alpha particles, are produced. To estimate the dose deposited into the tumors and the surrounding healthy tissues, an accurate (...)

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Nuclear Fragmentation Measurements for Hadrontherapy: 95MeV/u 12C Reactions on H, C, Al, O and nat Ti Targets

30 avril 2013

The interest for hadrontherapy, the use of ion beams for the treatments of cancerous tumors, is increasing. This can be attributed to the great accuracy of ion beams to target the tumor while sparing the surrounding healthy tissues (due to the high dose deposition in the Bragg peak and the (...)

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[in2p3-00806234] Comparison of two analysis methods for nuclear reaction measurements of 12C +12C interactions at 95 MeV/u for hadrontherapy

29 mars 2013

During therapeutic treatment with heavier ions like carbon, the beam undergoes nuclear fragmentation and secondary light charged particles, in particular protons and alpha particles, are produced. To estimate the dose deposited into the tumors and the surrounding healthy tissues, the accuracy (...)

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Nuclear Fragmentation Measurements for Hadrontherapy: 95MeV/u 12C Reactions on H, C, Al, O and natTi Targets

5 mars 2013

The interest for hadrontherapy, the use of ion beams for the treatments of cancerous tumors, is increasing. This can be attributed to the great accuracy of ion beams to target the tumor while sparing the surrounding healthy tissues (due to the high dose deposition in the Bragg peak and the (...)

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Neutron and charged particle identification by means of various detectors

11 septembre 2012

Identification methods for photons, neutrons and heavy ions by using scintillator and semiconductor detectors are discussed by stressing the advantages of signal digitization.

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Characterization of a detection system for an anthropomorphic phantom designed to measure the effective dose for photon fields

28 février 2012

The Laboratory of Dosimetry for Ionizing Radiation at the Institute for Radiological Protection and Nuclear Safety in France is developing an instrumented anthropomorphic dummy to evaluate the effective dose for photon fields in workplaces. This anthropomorphic phantom will be equipped (...)

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Nuclear Physics and Hadron Therapy

17 février 2012

Hadron therapy uses light charged particles beams (mainly proton and 12C ions) to irradiate tumors. These beams present a ballistic advantage with a maximum energy deposition at the end of the path. A large dose can be delivered inside a deep tumor while the surrounding healthy tissues are (...)

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Hadron therapy

14 septembre 2011

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Hadron therapy

14 septembre 2011

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Nuclear reaction measurements of 95MeV/u 12C interactions on PMMA for hadrontherapy

6 septembre 2011

The ion dose deposition in tissues is characterized by a favorable depth dose profile (i.e. Bragg peak) and a small lateral spread. In order to keep these benefits of ions in cancer treatments, a very high accuracy is required on the dose deposition (±3%). For given target stoechiometry and (...)

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[in2p3-00619633] Nuclear reaction measurements of 95MeV/u 12C interactions on PMMA for hadrontherapy

6 septembre 2011

The ion dose deposition in tissues is characterized by a favorable depth dose profile (i.e. Bragg peak) and a small lateral spread. In order to keep these benefits of ions in cancer treatments, a very high accuracy is required on the dose deposition (±3%). For given target stoechiometry and (...)

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Description of current pulses induced by heavy ions in silicon detectors (II)

20 avril 2011

Current pulses induced in a silicon detector by 10 different heavy ion species at known energies around 10 AMeV have been sampled in time at high frequency. Their individual average shapes are quite well reproduced by a fit procedure based on our recent charge carrier collection treatment which (...)

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[in2p3-00587352] Description of current pulses induced by heavy ions in silicon detectors (II)

20 avril 2011

Current pulses induced in a silicon detector by 10 different heavy ion species at known energies around 10 AMeV have been sampled in time at high frequency. Their individual average shapes are quite well reproduced by a fit procedure based on our recent charge carrier collection treatment which (...)

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12C nuclear reaction measurements for hadrontherapy

21 janvier 2010

Hadrontherapy treatments require a very high precision on the dose deposition ( 2.5% and 1-2mm) in order to keep the benefits of the precise ions' ballistic. The largest uncertainty on the physical dose deposition is due to ion fragmentation. Up to now, the simulation codes are not able to (...)

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12C nuclear reaction measurements for hadrontherapy

21 janvier 2010

Hadrontherapy treatments require a very high precision on the dose deposition ( 2.5% and 1-2mm) in order to keep the benefits of the precise ions' ballistic. The largest uncertainty on the physical dose deposition is due to ion fragmentation. Up to now, the simulation codes are not able to (...)

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Determination of nuclear properties below normal density from the multifragmentation pattern

25 septembre 2008

The primordial freeze-out stage for a fragmenting nuclear system is considered in the framework of the Copenhagen multifragmentation plus evaporation model. At a given temperature it is demonstrated that reasonably chosen intermediate mass fragment multiplicities will vary strongly with the (...)

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Determination of nuclear properties below normal density from the multifragmentation pattern

25 septembre 2008

The primordial freeze-out stage for a fragmenting nuclear system is considered in the framework of the Copenhagen multifragmentation plus evaporation model. At a given temperature it is demonstrated that reasonably chosen intermediate mass fragment multiplicities will vary strongly with the (...)

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On-line monitoring of fluence distributions and imaging of scanning ion beams

25 février 2008

In this paper we describe the design of an ion beam monitor developed to control irradiations of biological samples with ions at GANIL (Grand Accélérateur National d'Ions Lourds). This device can be used as an on-line monitor to provide transverse fluence distributions for active scanning ion (...)

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[in2p3-00258718] On-line monitoring of fluence distributions and imaging of scanning ion beams

25 février 2008

In this paper we describe the design of an ion beam monitor developed to control irradiations of biological samples with ions at GANIL (Grand Accélérateur National d'Ions Lourds). This device can be used as an on-line monitor to provide transverse fluence distributions for active scanning ion (...)

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An On-line Monitor for Fluence Distributions and Imaging of Scanning Ion Beams

6 décembre 2007

Clinical applications of hadron beams have generated a wide development of radiobiology experiments, especially at GANIL (Grand Accélérateur National d'Ions Lourds), an ion accelerator in Caen. Biological samples are irradiated with ions in order to observe the induced biological effects. As (...)

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An On-line Monitor for Fluence Distributions and Imaging of Scanning Ion Beams

6 décembre 2007

Clinical applications of hadron beams have generated a wide development of radiobiology experiments, especially at GANIL (Grand Accélérateur National d'Ions Lourds), an ion accelerator in Caen. Biological samples are irradiated with ions in order to observe the induced biological effects. As (...)

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Heavy ion beams monitoring for radiobiology applications

19 juillet 2007

We describe the design and the construction of an on-line ion beam monitor. The device provides accurate measurements for radiobiology experiments currently held at GANIL (Grand Accélérateur National d'Ions Lourds) in France. A prototype named IBIS (Ion Beam Inspection System) has been tested at (...)

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Heavy ion beams monitoring for radiobiology applications

19 juillet 2007

We describe the design and the construction of an on-line ion beam monitor. The device provides accurate measurements for radiobiology experiments currently held at GANIL (Grand Accélérateur National d'Ions Lourds) in France. A prototype named IBIS (Ion Beam Inspection System) has been tested at (...)

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New approach of fragment charge correlations in $^{129}$Xe+$^{nat}$Sn central collisions

20 mars 2007

A previous analysis of the charge (Z) correlations in the $\Delta Z-$ plane for Xe+Sn central collisions at 32 MeV/u has shown an enhancement in the production of equally sized fragments (low $\Delta Z$) which was interpreted as an evidence for spinodal decomposition. However the signal is weak (...)

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New approach of fragment charge correlations in $^{129}$Xe+$^{nat}$Sn central collisions

20 mars 2007

A previous analysis of the charge (Z) correlations in the $\Delta Z-$ plane for Xe+Sn central collisions at 32 MeV/u has shown an enhancement in the production of equally sized fragments (low $\Delta Z$) which was interpreted as an evidence for spinodal decomposition. However the signal is weak (...)

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Universal fluctuations: a new approach to the study of phase transitions in intermediate energy heavy ion collisions

15 janvier 2007

The universal theory of order parameter fluctuations (D-scaling laws) is applied to a wide range of intermediate energy heavy-ion collision data obtained with INDRA. This systematic study confirms that the observed fragment production is compatible with aggregation scenarios for in- or (...)

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Universal fluctuations: a new approach to the study of phase transitions in intermediate energy heavy ion collisions

15 janvier 2007

The universal theory of order parameter fluctuations (D-scaling laws) is applied to a wide range of intermediate energy heavy-ion collision data obtained with INDRA. This systematic study confirms that the observed fragment production is compatible with aggregation scenarios for in- or (...)

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Effect of the intermediate velocity emissions on the quasi-projectile properties for the Ar + Ni system at 95 A.MeV

4 janvier 2007

The quasi-projectile (QP) properties are investigated in the Ar+Ni collisions at 95 A.MeV taking into account the intermediate velocity emission. Indeed, in this reaction, between 52 and 95 A.MeV bombarding energies, the number of particles emitted in the intermediate velocity region is related (...)

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[in2p3-00006315] Effect of the intermediate velocity emissions on the quasi-projectile properties for the Ar + Ni system at 95 A.MeV

4 janvier 2007

The quasi-projectile (QP) properties are investigated in the Ar+Ni collisions at 95 A.MeV taking into account the intermediate velocity emission. Indeed, in this reaction, between 52 and 95 A.MeV bombarding energies, the number of particles emitted in the intermediate velocity region is related (...)

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Multifragmentation of a very heavy nuclear system (I): selection of a single-source events

10 juillet 2006

A sample of `single-source' events, compatible with the multifragmentation of very heavy fused systems, are isolated among well-measured $^155$Gd+$^nat$U 36AMeV reactions by examining the evolution of the kinematics of fragments with Z>=5 as a function of the dissipated energy and loss of (...)

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[in2p3-00009773] Multifragmentation of a very heavy nuclear system (I): selection of a single-source events

10 juillet 2006

A sample of `single-source' events, compatible with the multifragmentation of very heavy fused systems, are isolated among well-measured $^155$Gd+$^nat$U 36AMeV reactions by examining the evolution of the kinematics of fragments with Z>=5 as a function of the dissipated energy and loss of (...)

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Multifragmentation of a very heavy nuclear system (II) bulk properties and spinodal decomposition

10 juillet 2006

The properties of fragments and light charged particles emitted in multifragmentation of single sources formed in central 36AMeV Gd+U collisions are reviewed. Most of the products are isotropically distributed in the reaction c.m. Fragment kinetic energies reveal the onset of radial collective (...)

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[in2p3-00009766] Multifragmentation of a very heavy nuclear system (II) bulk properties and spinodal decomposition

10 juillet 2006

The properties of fragments and light charged particles emitted in multifragmentation of single sources formed in central 36AMeV Gd+U collisions are reviewed. Most of the products are isotropically distributed in the reaction c.m. Fragment kinetic energies reveal the onset of radial collective (...)

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Response of CsI(Tl) scintillators over a large range in energy and atomic number of ions (Part I) : recombination and $\delta$-electrons

7 juillet 2006

A simple formalism describing the light response of CsI(Tl) to heavy ions, which quantifies the luminescence and the quenching in terms of the competition between radiative transitions following the carrier trapping at the Tl activator sites and the electron-hole recombination, is proposed. The (...)

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[in2p3-00019578] Response of CsI(Tl) scintillators over a large range in energy and atomic number of ions (Part I) : recombination and $\delta$-electrons

7 juillet 2006

A simple formalism describing the light response of CsI(Tl) to heavy ions, which quantifies the luminescence and the quenching in terms of the competition between radiative transitions following the carrier trapping at the Tl activator sites and the electron-hole recombination, is proposed. The (...)

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Dynamics of colliding and thermalised systems : a comparison in the classical N-body physics framework

14 octobre 2005

In this study we address the question of the thermal description of collisions of classical clusters in the framework of classical N-body dynamics. We compare the results of systems in both central and peripheral collisions (projectile-like fragments) with those of thermalised systems with the (...)

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Dynamics of colliding and thermalised systems : a comparison in the classical N-body physics framework

14 octobre 2005

In this study we address the question of the thermal description of collisions of classical clusters in the framework of classical N-body dynamics. We compare the results of systems in both central and peripheral collisions (projectile-like fragments) with those of thermalised systems with the (...)

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Signals of phase transition in classical N-body dynamics

10 octobre 2005

Two signals of phase transition, the negative heat capacity and the bimodality, are studied in the framework of the Classical N-body dynamics. The results from three different physical configurations are compared : colliding systems for small impact parameters, peripheral collisions and (...)

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Signals of phase transition in classical N-body dynamics

10 octobre 2005

Two signals of phase transition, the negative heat capacity and the bimodality, are studied in the framework of the Classical N-body dynamics. The results from three different physical configurations are compared : colliding systems for small impact parameters, peripheral collisions and (...)

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Evolution of Fragment Distributions and Reaction Mechanisms for the Ar+Ni System from 32 to 95 A.MeV

24 juin 2005

Within the framework of flow and multifragmentation study, the 36Ar+58Ni experiment has been performed at seven incident energies from 32 to 95 A.MeV with the INDRA detector at GANIL. After a brief description of the experimental set-up, the main trends as well as the evolution of fragment (...)

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Evolution of Fragment Distributions and Reaction Mechanisms for the Ar+Ni System from 32 to 95 A.MeV

24 juin 2005

Within the framework of flow and multifragmentation study, the 36Ar+58Ni experiment has been performed at seven incident energies from 32 to 95 A.MeV with the INDRA detector at GANIL. After a brief description of the experimental set-up, the main trends as well as the evolution of fragment (...)

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Classical description of multifragmentation

24 mars 2005

Results on multifragmentation from Classical N Body Dynamics calculations are shown. It will be shown that the signals of a phase transition (negative heat capacity, Fisher's scaling, bimodality) and the hierarchy and alignment effects may be described in a unique framework. Qualitative (...)

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Classical description of multifragmentation

24 mars 2005

Results on multifragmentation from Classical N Body Dynamics calculations are shown. It will be shown that the signals of a phase transition (negative heat capacity, Fisher's scaling, bimodality) and the hierarchy and alignment effects may be described in a unique framework. Qualitative (...)

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Neutron to proton ratios of quasiprojectile and midrapidity emission in the ${58}$Ni-${58}$Ni reaction at 52 MeV/Nucleon

16 mars 2005

By combining data from a charged particle $^58$Ni+$^58$Ni experiment at 52 MeV/nucleon with an $^36$Ar+$^58$Ni experiment at 50 MeV/nucleon for which free neutrons have been detected, an increase in the neutron to proton ratio of the whole nuclear material at midrapidity has been experimentally (...)

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[in2p3-00023886] Neutron to proton ratios of quasiprojectile and midrapidity emission in the ${58}$Ni-${58}$Ni reaction at 52 MeV/Nucleon

16 mars 2005

By combining data from a charged particle $^58$Ni+$^58$Ni experiment at 52 MeV/nucleon with an $^36$Ar+$^58$Ni experiment at 50 MeV/nucleon for which free neutrons have been detected, an increase in the neutron to proton ratio of the whole nuclear material at midrapidity has been experimentally (...)

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A study of nuclear stopping in central symmetric nuclear collisions at intermediate energies

14 mars 2005

Nuclear stopping has been investigated in central symmetric nuclear collisions at intermediate energies. Firstly, it is found that the isotropy ratio, Riso, reaches a minimum near the Fermi energy and saturates or slowly increases depending on the mass of the system as the beam energy (...)

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A study of nuclear stopping in central symmetric nuclear collisions at intermediate energies

14 mars 2005

Nuclear stopping has been investigated in central symmetric nuclear collisions at intermediate energies. Firstly, it is found that the isotropy ratio, Riso, reaches a minimum near the Fermi energy and saturates or slowly increases depending on the mass of the system as the beam energy (...)

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Model-independent tracking of criticality signals in nuclear multifragmentation data

6 septembre 2004

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 function of system size, bombarding energy, and impact parameter in a wide range of INDRA data. For very central (...)

Lire la suite

Model-independent tracking of criticality signals in nuclear multifragmentation data

6 septembre 2004

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 function of system size, bombarding energy, and impact parameter in a wide range of INDRA data. For very central (...)

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[in2p3-00012206] Can we really measure the internal energy of hot nuclei with a 4$\pi$ detection array ?

25 mars 2002

The second generation of high-quality detection arrays gave hope to nuclear physicists to finally obtain an experimental equation of state of nuclear matter. In spite of this progress, the measurement of the internal energy of a hot nucleus remains a very difficult task. This paper illustrates (...)

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Study of intermediate velocity products in the Ar+Ni collisions between 52 and 95 A.MeV

7 février 2000

Intermediate velocity products in Ar+Ni collisions from 52 to 95 A.MeV are studied in an experiment performed at the GANIL facility with the 4$\pi$ multidetector INDRA. It is shown that these emissions cannot be explained by statistical decays of the quasi-projectile and the quasi-target in (...)

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