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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
Development of a 3D gel dosimetry method for quality control of radiotherapy treatment plans using ultra-high dose rate charged particle beams (FLASH)
Ultra-high-dose-rate FLASH radiotherapy is one of the most promising innovations of the last decade in radiation oncology. It has the potential to eradicate radioresistant tumours and reduce unwanted side effects, that in turn increases cure rates and improves patient quality of life. However, dosimetry infrastructure is lagging behind this clinical and technological advance, with current...
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phD
Development of automatic gamma spectrum analysis using a hybrid machine learning algorithm for the radiological characterization of nuclear facilities decommissioning.
The application of gamma spectrometry to radiological characterization in nuclear facility decommissioning, requires the development of specific algorithms for automatic gamma spectrum analysis. In particular, the classification of concrete waste according to its level of contamination, is a crucial issue for controlling decommissioning costs. Within CEA/List, LNHB, in collaboration with CEA/DEDIP, has been involved for...
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Fixed term contract
Ingénieur chercheur en physique et Instrumentation pour le nucléaire - CDD - Saclay (91) 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) chercheur(se) spécialisé(e) dans le développement de systèmes de mesure pour l’instrumentation des rayonnements...
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Fixed term contract
Technicien chimie / radiochimie en Métrologie des Rayonnements Ionisants – CDD Saclay (91) 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) technicien(ne) chimie / radiochimie en Métrologie des Rayonnements Ionisants. Ce poste de cadre en...
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phD
Development of ultra-high-resolution magnetic microcalorimeters for isotopic analysis of actinides by X-ray and gamma-ray spectrometry
The PhD project focuses on the development of ultra-high-resolution magnetic microcalorimeters (MMCs) to improve the isotopic analysis of actinides (uranium, plutonium) by X- and gamma-ray spectrometry around 100 keV. This type of analysis, which is essential for the nuclear fuel cycle and non-proliferation efforts, traditionally relies on HPGe detectors, whose limited energy resolution constrains measurement...
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