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PostDoc
Optimization of a metrological approach to radionuclide identification based on spectral unmixing
The Laboratoire national Henri Becquerel (LNE-LNHB) at CEA/Saclay is the laboratory responsible for French references in the field of ionizing radiations. For several years now, it has been involved in the development of an automatic analysis tool for low-statistics gamma spectra, based on the spectral unmixing technique. This approach makes it possible to respond to...
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PostDoc
Calibration of the high dose rate flash therapy beam monitor of the IRAMIS facility
Ultra-flash beams are pulsed beams of high-energy electrons (over a hundred MeV) with pulse durations in the femto-second range. The IRAMIS facility (CEA Saclay) uses laser acceleration to produce this type of beam, with a view to their application in radiotherapy. The LNHB is in charge of establishing dosimetric traceability for the IRAMIS facility, and...
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PostDoc
Contribution to the metrological traceability of emerging alpha-emitting radiopharmaceuticals in the framework of the european AlphaMet project (Metrology for Emerging Targeted Alpha Therapies)
The Laboratoire national Henri Becquerel (LNE-LNHB) at CEA/Saclay is the laboratory responsible for the french references in the field of ionizing radiation. The LNHB is involved in the european EPM AlphaMet (Metrology for Emerging Targeted Alpha Therapies) submitted under the Metrology support for Health call (2022) to provide metrological support for clinical and preclinical studies;...
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PostDoc
Development of a new spectrometer for the characterization of the radionuclide-based neutron sources
Since few years, the LNHB is developing a new instrument dedicated to the neutron spectrometry, called AQUASPEC. The experimental device consists of a polyethylene container that is equipped with a central channel accommodating the source and 12-measurement channels (in a spiral formation) around the source, into which detectors can be placed. The container is filled...
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PostDoc
Exploring microfluidic solutions for manufacturing targets for fusion power generation
As part of a call for projects on quot;innovative nuclear reactorsquot;, the TARANIS project involves studying the possibility of energy production by a power laser-initiated inertial confinement fusion power plant. The current context, which encourages the development of low-carbon energies, and the fusion experiments carried out by the NIFapos;s American teams, make it very attractive...
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phD
Towards a multimodal photon irradiation platform: foundations and conceptualization
Photonic irradiation techniques exploit the interactions between a beam of high-energy photons and matter to carry out non-destructive measurements. By inducing photonuclear reactions such as photonic activation, nuclear resonance fluorescence (NRF) and photofission, these irradiation techniques enable deep probing of matter. Combining these different nuclear measurement techniques within a single irradiation platform would enable precise,...
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phD
Development of a multiphysics stochastic modelling for liquid scintillation measurements
The Bureau international des poids et mesures (BIPM) is developing a new transfer instrument named the quot;Extension of the International Reference Systemquot; (ESIR), based on the Triple-to-Double Coincidence Ratio (TDCR) method of liquid scintillation counting with a specific instrumentation comprising three photomultipliers. The aim is to enable international comparisons of pure beta radionuclides, certain radionuclides...
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Permanent contract
Chef de projet en instrumentation nucléaire H/F
Rejoignez le CEA pour donner du sens à votre activité, mener ou soutenir des projets de R&D nationaux et internationaux, cultiver et faire vivre votre esprit de curiosité. EN SYNTHESE, QU’EST-CE QUE NOUS VOUS PROPOSONS ? Nous cherchons un(e) chef / cheffe de projet en instrumentation nucléaire pour le laboratoire architectures Electroniques, Modélisation et Analyse de...
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Fixed term contract
Engineer/Researcher in Radiation Detection and Instrumentation
We are looking for an engineer-researcher specializing in the development of measurement systems for ionizing radiation instrumentation. You will join a dynamic team and contribute to innovative research and development projects in this field. As part of the Sensors and Instrumentation for Measurement Laboratory (LCIM), you will be involved in a project to design and...
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phD
Development of the Compton-TDCR Method for Scintillator Metrology
The objectives of this PhD thesis lie upstream of the applied domain, specifically in the field of radionuclide metrology. The research aims to obtain essential information for a deeper understanding of scintillation mechanisms. This topic represents a new discipline within the national metrology laboratory, currently nonexistent in other laboratories, and focuses specifically on scintillator metrology....
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Permanent contract
Ingénieur(e) système d'instrumentation innovant H/F
« Rejoignez le CEA pour donner du sens à votre activité, mener ou soutenir des projets de R&D nationaux et internationaux, cultiver et faire vivre votre esprit de curiosité. » EN SYNTHESE, QU’EST-CE QUE NOUS VOUS PROPOSONS ? Nous cherchons un(e) ingénieur(e) en système d'instrumentation innovant pour le CEA/DRT/List (Direction de la Recherche Technologique). Ce...
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phD
Development of a transportable and high sensibility gamma/neutron spectro-imager to reconstruct and identify radioactive hotspots during decomissioning and dismantling operations
Radioactive hotspots reconstruction is a significant challenge when characterising radioelements in environments that have been impacted by radiological or nuclear activity. A thesis proposal aims to address this issue by developing a compact, highly sensitive multimodal instrument for assessing and characterising gamma-ray and neutron contributions. This system will help to meet the encountered challenges, during...
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