Ingénieur de recherche CNRS
Groupe : Applications industrielles et médicales
Tel : +33 2 31 45 25 26
PUBLICATIONS
[hal-01642856] Neutron production in neutron-induced reactions at 96 MeV on $^{56}Fe$ and $^{208}Pb$
22 novembre 2017
Double-differential cross sections for neutron production were measured in 96-MeV neutron-induced reactions at The Svedberg Laboratory in Uppsala, Sweden. Measurements for Fe and Pb targets were performed using two independent setups: DECOI-DEMON, time-of-flight telescope dedicated to the (...)
[hal-01642836] Measurement of the $^{8}Li$ half-life
22 novembre 2017
We report a new measurement of the Li8 half-life using a plastic scintillator and an ultrafast waveform digitizing module. The result, T1/2=(838.40±0.36) ms, improves by a factor of 2.5 the most precise result obtained so far and is furthermore deduced with negligible corrections due to dead (...)
[hal-01641060] Neutron production in neutron-induced reactions at 96 MeV on $^{56}Fe$ and $^{208}Pb$
21 novembre 2017
Double-differential cross sections for neutron production were measured in 96-MeV neutron-induced reactions at The Svedberg Laboratory in Uppsala, Sweden. Measurements for Fe and Pb targets were performed using two independent setups: DECOI-DEMON, time-of-flight telescope dedicated to the (...)
[hal-01642166] Cross section measurements for production of positron emitters for PET imaging in carbon therapy
21 novembre 2017
In light ion beam therapy, positron (β+) emitters are produced by the tissue nuclei through nuclear interactions with the beam ions. They can be used for the verification of the delivered dose using positron emission tomography by comparing the spatial distribution of the β+ emitters activity to (...)
[hal-01641038] Measurement of the $^{8}Li$ half-life
21 novembre 2017
We report a new measurement of the Li8 half-life using a plastic scintillator and an ultrafast waveform digitizing module. The result, T1/2=(838.40±0.36) ms, improves by a factor of 2.5 the most precise result obtained so far and is furthermore deduced with negligible corrections due to dead (...)
[hal-01555145] Cross section measurements for production of positron emitters for PET imaging in carbon therapy
5 juillet 2017
In light ion beam therapy, positron (β+) emitters are produced by the tissue nuclei through nuclear interactions with the beam ions. They can be used for the verification of the delivered dose using positron emission tomography by comparing the spatial distribution of the β+ emitters activity to (...)
[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 (...)
[in2p3-01170130] Scintillation properties of N2 and CF4 and performances of a scintillating ionization chamber
5 janvier 2016
In this work, we studied the emission yields, decay times and coincidence resolving times (CRT) of two gases, nitrogen (N2) and tetrafluoromethane (CF4), used for particle detection in the context of fission products measurement. The setup was made of an ionization chamber and two (...)
[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 (...)
The "PTFI", a beam profiler for low intensity, low energy radioactive beam measurements
23 janvier 2014
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 (...)
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 (...)
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 (...)
[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 (...)
Dispositif et procédé d'inspection d'un faisceau ionisant
30 mai 2013
La présente invention concerne un dispositif d'inspection d'un faisceau avec: une tête d'inspection (110) comprenant un scintillateur (114) et au moins un bloc diffuseur (116, 117) associé au scintillateur, un premier moyen (118) de formation d'au moins une image d'au moins une partie de la tête (...)
Procédé de mesure de dose d'irradiation par un faisceau d'un rayonnement ionisant susceptible de créer du rayonnement Cerenkov
30 mai 2013
L'invention concerne un procédé de mesure de dose d'irradiation par un faisceau d'un rayonnement à haute énergie, dans lequel on dispose sous ce faisceau, un scintillateur (1) pour émettre une lumière de scintillation dont l'intensité est fonction de la dose de ce faisceau irradiant ce scintillateur (...)
DOSIMAP: a high-resolution 2-D tissue equivalent dosemeter for linac QA and IMRT verification
16 mai 2013
New generation of radiation therapy accelerators requires highly accurate dose measurements with high spatial resolution patterns. IMRT is especially demanding since the positioning accuracy of all the multi-leafs should be verified for each applied field and at any incidence. A new 2-D tissue (...)
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 (...)
[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 (...)
Contrôle faisceau en radiothérapie & hadronthérapie
27 mars 2013
Les techniques de radiothérapie externe ont beaucoup évolué ces vingt dernières années. Pour les photons, le développement d'outils comme les collimateurs multilames, de machines comme le cyberknife ou la tomothérapie, ont permis d'améliorer la conformation des traitements au volume tumoral et de (...)
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 (...)
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.
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 (...)
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 (...)
New high spatial resolution and tissue equivalent two-dimensional dosimeter for IMRT quality control
21 novembre 2011
New high spatial resolution and tissue equivalent two-dimensional dosimeter for IMRT quality control
21 novembre 2011
[in2p3-00637475] Neutron production in neutron-induced reactions at 96 MeV on 56Fe and 208Pb
2 novembre 2011
[...]
Beam diagnostic overview of the SPIRAL2 RNB section
21 septembre 2011
An extension to the existing GANIL facility in Caen, France is under construction. The new SPIRAL 2 construction will be realized in two phases, for the first phase the construction started in January 2011 and will consists of the accelerator buildings with two experimental facilities S3 and (...)
Beam diagnostic overview of the SPIRAL2 RNB section
21 septembre 2011
An extension to the existing GANIL facility in Caen, France is under construction. The new SPIRAL 2 construction will be realized in two phases, for the first phase the construction started in January 2011 and will consists of the accelerator buildings with two experimental facilities S3 and (...)
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 (...)
[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 (...)
Effective dose measurement at workplaces within an instrumented anthropomorphic phantom
26 avril 2011
The Laboratory of Ionizing Radiation Dosimetry of the IRSN (France) is developing an instrumented anthropomorphic phantom in order to measure the effective dose for photon fields at workplaces. This anthropomorphic phantom will be equipped with small active detectors located inside at chosen (...)
[in2p3-00588785] Effective dose measurement at workplaces within an instrumented anthropomorphic phantom
26 avril 2011
The Laboratory of Ionizing Radiation Dosimetry of the IRSN (France) is developing an instrumented anthropomorphic phantom in order to measure the effective dose for photon fields at workplaces. This anthropomorphic phantom will be equipped with small active detectors located inside at chosen (...)
Measurement of the 8Li half-life
30 août 2010
We report a newmeasurement of the 8Li half-life using a plastic scintillator and an ultrafastwaveform digitizing module. The result, T1/2 = (838.40 ± 0.36) ms, improves by a factor of 2.5 the most precise result obtained so far and is furthermore deduced with negligible corrections due to dead (...)
[in2p3-00512350] Measurement of the 8Li half-life
30 août 2010
We report a newmeasurement of the 8Li half-life using a plastic scintillator and an ultrafastwaveform digitizing module. The result, T1/2 = (838.40 ± 0.36) ms, improves by a factor of 2.5 the most precise result obtained so far and is furthermore deduced with negligible corrections due to dead (...)
Design and performance of an ionization chamber monitor for IBA proton treatment lines
15 juillet 2010
Design and performance of an ionization chamber monitor for IBA proton treatment lines
15 juillet 2010
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 (...)
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 (...)
Beam Diagnostics for SPIRAL2 RNB
1er septembre 2009
The SPIRAL2 project is based on a multi-beam driver facility in order to allow both ISOL and low-energy inflight techniques to produce intense radioactive ion beams (RIB) in a new Facility. A superconducting linac capable of accelerating 5-mA deuterons up to 40 MeV is used to bombard both thick (...)
Beam Diagnostics for SPIRAL2 RNB
1er septembre 2009
The SPIRAL2 project is based on a multi-beam driver facility in order to allow both ISOL and low-energy inflight techniques to produce intense radioactive ion beams (RIB) in a new Facility. A superconducting linac capable of accelerating 5-mA deuterons up to 40 MeV is used to bombard both thick (...)
Gas scintillation chamber for superheavy elements detection at GANIL
30 mars 2009
In the paper we present scintillation-ionization detector (SID) — a new device for support of the superheavy elements (SHE) identification in the standard, complete fusion methods. We highlight problems with background effects in SHE production and their minimization by introducing SID to the (...)
Gas scintillation chamber for superheavy elements detection at GANIL
30 mars 2009
In the paper we present scintillation-ionization detector (SID) — a new device for support of the superheavy elements (SHE) identification in the standard, complete fusion methods. We highlight problems with background effects in SHE production and their minimization by introducing SID to the (...)
The DosiMap, a new 2D scintillating dosimeter for IMRT quality assurance: Characterization of two Cerenkov discrimination methods
21 janvier 2009
New radiation therapy techniques such as IMRT present significant efficiency due to their highly conformal dose distributions. A consequence of the complexity of their dose distributions (high gradients, small irradiation fields, low dose distribution, ...) is the requirement for better (...)
[in2p3-00354893] The DosiMap, a new 2D scintillating dosimeter for IMRT quality assurance: Characterization of two Cerenkov discrimination methods
21 janvier 2009
New radiation therapy techniques such as IMRT present significant efficiency due to their highly conformal dose distributions. A consequence of the complexity of their dose distributions (high gradients, small irradiation fields, low dose distribution, ...) is the requirement for better (...)
The DOSIMAP, a high spatial resolution tissue equivalent 2D dosimeter for LINAC QA and IMRT verification
21 janvier 2009
The continual need for more accurate and effective techniques in radiation therapy makes it necessary to devise new control means combining high spatial resolution as well as high dose accuracy. Intensity modulated radio therapy (IMRT) allows highly conformed fields with high spatial gradient (...)
[in2p3-00354888] The DOSIMAP, a high spatial resolution tissue equivalent 2D dosimeter for LINAC QA and IMRT verification
21 janvier 2009
The continual need for more accurate and effective techniques in radiation therapy makes it necessary to devise new control means combining high spatial resolution as well as high dose accuracy. Intensity modulated radio therapy (IMRT) allows highly conformed fields with high spatial gradient (...)
Comparative study of plastic scintillators for dosimetric applications
21 janvier 2009
Plastic scintillators are widely studied for radiotherapy dosimetry because of their very interesting properties and especially their water equivalence. Nevertheless, to ensure accurate dose measurements, the properties of the scintillators must be very well known and adapted to this (...)
[in2p3-00354851] Comparative study of plastic scintillators for dosimetric applications
21 janvier 2009
Plastic scintillators are widely studied for radiotherapy dosimetry because of their very interesting properties and especially their water equivalence. Nevertheless, to ensure accurate dose measurements, the properties of the scintillators must be very well known and adapted to this (...)
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 (...)
[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 (...)
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 (...)
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 (...)
Scintillating fiber dosimeter
19 juillet 2007
Radiotherapy treatments become more and more accurate, using techniques like IMRT. Their irradiation fields and dose depositions are small and complex, and only a few dosimeters are available for real time and in vivo control for photons as well as for electrons beams. In this context, a new (...)
Scintillating fiber dosimeter
19 juillet 2007
Radiotherapy treatments become more and more accurate, using techniques like IMRT. Their irradiation fields and dose depositions are small and complex, and only a few dosimeters are available for real time and in vivo control for photons as well as for electrons beams. In this context, a new (...)
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 (...)
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 (...)
Scandal - A facility for elastic neutron scattering studies in the 50-130 MeV range
11 juillet 2007
A facility for detection of scattered neutrons in the energy interval 50−130 MeV, SCANDAL (SCAttered Nucleon Detection AssembLy), is part of the standard detection system at the 20-180 MeV neutron beam facility of the The Svedberg Laboratory, Uppsala. It has primarily been used for studies of (...)
Scandal - A facility for elastic neutron scattering studies in the 50-130 MeV range
11 juillet 2007
A facility for detection of scattered neutrons in the energy interval 50−130 MeV, SCANDAL (SCAttered Nucleon Detection AssembLy), is part of the standard detection system at the 20-180 MeV neutron beam facility of the The Svedberg Laboratory, Uppsala. It has primarily been used for studies of (...)
(n,Xn) measurements at 96 MeV
5 juillet 2007
Double differential cross section for neutron production were measured in 96MeV neutrons induced reactions at the TSL laboratory in Uppsala (Sweden). Measurements for Fe and Pb targets were performed using simultaneously two independent setups: DECOI-DEMON and CLODIA-SCANDAL. The double (...)
(n,Xn) measurements at 96 MeV
5 juillet 2007
Double differential cross section for neutron production were measured in 96MeV neutrons induced reactions at the TSL laboratory in Uppsala (Sweden). Measurements for Fe and Pb targets were performed using simultaneously two independent setups: DECOI-DEMON and CLODIA-SCANDAL. The double (...)
A telescope for monitoring fast neutron sources
28 février 2007
In the framework of nuclear waste management, highly radiotoxic long-lived fission products and minor actinides are planned to be transmuted in a sub-critical reactor coupled with an intense external neutron source. The latter source would be created by a high-energy proton beam hitting a high (...)
[in2p3-00134052] A telescope for monitoring fast neutron sources
28 février 2007
In the framework of nuclear waste management, highly radiotoxic long-lived fission products and minor actinides are planned to be transmuted in a sub-critical reactor coupled with an intense external neutron source. The latter source would be created by a high-energy proton beam hitting a high (...)
Elements discrimination in the study of super-heavy elements using an ionization chamber
28 février 2007
[in2p3-00020233] Elements discrimination in the study of super-heavy elements using an ionization chamber
28 février 2007
[...]
A novel fast neutron detector for nuclear data measurements
24 novembre 2006
Accelerator driven system will use a heavy element target such as lead. Many calculations are available to simulate high-energy spallation neutron induced reactions, but little data are available for comparison with the simulations. In order to constrain the simulation tools we have measured (...)
A novel fast neutron detector for nuclear data measurements
24 novembre 2006
Accelerator driven system will use a heavy element target such as lead. Many calculations are available to simulate high-energy spallation neutron induced reactions, but little data are available for comparison with the simulations. In order to constrain the simulation tools we have measured (...)
Spectral discrimination of Cerenkov radiation in scintillating dosimeters
21 novembre 2006
Radiation therapy accelerators require highly accurate dose deposition and the output must be monitored frequently and regularly. Ionization chambers are the primary tool for this control, but their size, their high voltage needed, and the correction needed for electrons make them unsuitable (...)
[in2p3-00113799] Spectral discrimination of Cerenkov radiation in scintillating dosimeters
21 novembre 2006
Radiation therapy accelerators require highly accurate dose deposition and the output must be monitored frequently and regularly. Ionization chambers are the primary tool for this control, but their size, their high voltage needed, and the correction needed for electrons make them unsuitable (...)
A new scintillating fiber dosimeter using a single optical fiber and a CCD camera
23 août 2006
Radiotherapy treatments become more and more accurate, using very small irradiation fields and complex dose depositions. So small dosimeters for real time and in vivo dosimetry, suitable for photons as well as for electrons beams are highly desired. In this context, a scintillating fiber (...)
[in2p3-00089774] A new scintillating fiber dosimeter using a single optical fiber and a CCD camera
23 août 2006
Radiotherapy treatments become more and more accurate, using very small irradiation fields and complex dose depositions. So small dosimeters for real time and in vivo dosimetry, suitable for photons as well as for electrons beams are highly desired. In this context, a scintillating fiber (...)
Monitoring of 14 MeV neutrons
6 juin 2006
Long-lived fission products and minor actinides produced in nuclear power plants are the most radiotoxic nuclear wastes. They can be transmuted into stable nuclei or into nuclei with shorter lifetime thanks to the so-called Accelerator Driven Systems (ADS), consisting of the coupling of an (...)
Monitoring of 14 MeV neutrons
6 juin 2006
Long-lived fission products and minor actinides produced in nuclear power plants are the most radiotoxic nuclear wastes. They can be transmuted into stable nuclei or into nuclei with shorter lifetime thanks to the so-called Accelerator Driven Systems (ADS), consisting of the coupling of an (...)
[in2p3-00019975] Scintillating fiber dosimeter for radiation therapy accelerator
9 décembre 2002
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