Search Results - "Le Petit, G."

An introduction to γ(3) a new versatile ultralow background gamma spectrometer. Background description and analysis by Cagniant, A, Douysset, G, Fontaine, J-P, Gross, P, Petit, G Le

“…The γ(3) setup has been designed as a versatile, high sensitivity spectrometry platform. State-of-the art techniques have been implemented to reduce its…”
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Analysis of Radionuclide Releases from the Fukushima Dai-Ichi Nuclear Power Plant Accident Part I by Le Petit, G., Douysset, G., Ducros, G., Gross, P., Achim, P., Monfort, M., Raymond, P., Pontillon, Y., Jutier, C., Blanchard, X., Taffary, T., Moulin, C.

“…Part I of this publication deals with the analysis of fission product releases consecutive to the Fukushima Dai-ichi accident. Reactor core damages are…”
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SPALAX NG: A breakthrough in radioxenon field measurement by Cagniant, A., Topin, S., Le Petit, G., Gross, P., Delaune, O., Philippe, T., Douysset, G.

“…Lessons-learned from 10 years of noble gas stations operation and dedicated R&D allowed the design of a New Generation of station. In order to produce 60m3 air…”
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Spalax™ new generation: A sensitive and selective noble gas system for nuclear explosion monitoring by Le Petit, G., Cagniant, A., Gross, P., Douysset, G., Topin, S., Fontaine, J.P., Taffary, T., Moulin, C.

“…In the context of the verification regime of the Comprehensive nuclear Test ban Treaty (CTBT), CEA is developing a new generation (NG) of SPALAX™ system for…”
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Contribution to the development of atmospheric radioxenon monitoring by Le Petit, G., Armand, P., Brachet, G., Taffary, T., Fontaine, J. P., Achim, P., Blanchard, X., Piwowarczyk, J. C., Pointurier, F.

“…Within the frame of Comprehensive Nuclear-Test Ban Treaty (CTBT), this paper deals with the development of the new techniques necessary for the xenon…”
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The Mobile Analyzer of Radioactive Gases OuTflows (MARGOT): A promising environmental xenon radionuclides detection system by Thomas, V., Delaune, O., Le Petit, G., Fontaine, J.P.

“…An ultra-compact and unshielded spectrometer for analysis of atmospheric xenon radionuclides has been developed: the MARGOT system. This system works at…”
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Introducing the MARGOT prototype: An ultra-compact and mobile gas detection system for nuclear explosion monitoring by Thomas, V., Delaune, O., Cagniant, A., Le Petit, G., Fontaine, J.-P.

“…An ultra-compact and unshielded spectrometer for analysis of atmospheric radioxenons has been developed. This system works at ambient temperature and has a…”
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Monte Carlo calculation of the efficiency calibration curve and coincidence-summing corrections in low-level gamma-ray spectrometry using well-type HPGe detectors by Laborie, J.-M, Le Petit, G, Abt, D, Girard, M

“…Well-type high-purity germanium (HPGe) detectors are well suited to the analysis of small amounts of environmental samples, as they can combine both low…”
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Innovative concept for a major breakthrough in atmospheric radioactive xenon detection for nuclear explosion monitoring by Le Petit, G., Cagniant, A., Morelle, M., Gross, P., Achim, P., Douysset, G., Taffary, T., Moulin, C.

“…The verification regime of the comprehensive test ban treaty (CTBT) is based on a network of three different waveform technologies together with global…”
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Low-level laboratory measurement of xenon radionuclides: Electron-photon versus photon measurements by Delaune, O., Cagniant, A., Gross, P., Douysset, G., Fontaine, J.-P., Le Petit, G.

“…Radioactive xenon (mainly 131mXe, 133Xe, 133mXe and 135Xe) are tracked as markers of nuclear weapons testing. The CEA has developed the PIPSBox, a measurement…”
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Ground surface ultralow background spectrometer: Active shielding improvements and coincidence measurements for the Gamma 3 spectrometer by Cagniant, A, Delaune, O, Réglat, M, Douysset, G, Gross, P, Le Petit, G

“…The ultralow background versatile spectrometer GAMMA has been optimized with the following shielding improvements: (i) optimized nitrogen injection flux of…”
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Ground surface ultralow background spectrometer: Active shielding improvements and coincidence measurements for the Gamma3 spectrometer by Cagniant, A., Delaune, O., Réglat, M., Douysset, G., Gross, P., Le Petit, G.

“…The ultralow background versatile spectrometer GAMMA3 has been optimized with the following shielding improvements: (i) optimized nitrogen injection flux of…”
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Improvements of low-level radioxenon detection sensitivity by a state-of-the art coincidence setup by Cagniant, A., Le Petit, G., Gross, P., Douysset, G., Richard-Bressand, H., Fontaine, J.-P.

“…The ability to quantify isotopic ratios of 135, 133m, 133 and 131m radioxenon is essential for the verification of the Comprehensive Nuclear-Test Ban Treaty…”
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Seasonal Variability of Xe‐133 Global Atmospheric Background: Characterization and Implications for the International Monitoring System of the Comprehensive Nuclear‐Test‐Ban Treaty by Generoso, S., Achim, P., Morin, M., Gross, P., Le Petit, G., Moulin, C.

“…Global simulations of the atmospheric dispersion of worldwide industrial Xe‐133 releases have revealed a large spatial and day‐to‐day variability of the…”
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Cosmic muon effect in the background of a Si/Si coincidence measurement: Study and application by Cagniant, A., Bonneau, T., Le Petit, G., Douysset, G., Gross, P., Fontaine, J.-P.

“…The PIPSBox is a new high resolution electron spectrometer composed of two Si-PIN detectors developed by CEA. It is designed for the measurement of radioxenons…”
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Long-term performances of the 95ZR/95Nb chronometer for nuclear events dating by Douysset, G., Petit, G. Le, Gross, P., Jutier, C.

“…The present work reports on a long-term analysis of the performances of the 95Zr/95Nb chronometer for dating a nuclear event. Taking benefit of a recent…”
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On the use of (127)Xe standards for the quality control of CTBTO noble gas stations and support laboratories by Cagniant, A, Le Petit, G, Nadalut, B, Gross, P, Richard-Bressand, H, Fontaine, J-P, Douysset, G

“…(127)Xe has a longer half-life than (131m)Xe, it can be easily purely produced and it is present in the environment at very low level. For these reasons,…”
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Reference material for radionuclides in sediment IAEA-384 (Fangataufa Lagoon sediment) by Povinec, P P, Pham, M K, Sanchez-Cabeza, J A, Barci-Funel, G, Bojanowski, R, Boshkova, T, Burnett, W C, Carvalho, F, Chapeyron, B, Cunha, I L, Dahlgaard, H, Galabov, N, Fifield, L K, Gastaud, J, Geering, J-J, Gomez, I F, Green, N, Hamilton, T, Ibanez, F L

“…A reference material designed for the determination of anthropogenic and natural radionuclides in sediment, IAEA-384 (Fangataufa Lagoon sediment), is described…”
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Activity measurement of a 176Lu sample using coincidence peaks and Monte Carlo simulations by Jutier, C., Le Petit, G.

“…We present the results of the activity measurement of a sample of the rare isotope 176Lu, obtained by γ -ray spectrometry through the use of 22 peaks in an…”
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Certified reference material for radionuclides in fish flesh sample IAEA-414 (mixed fish from the Irish Sea and North Sea) by Pham, M.K., Sanchez-Cabeza, J.A., Povinec, P.P., Arnold, D., Benmansour, M., Bojanowski, R., Carvalho, F.P., Kim, C.K., Esposito, M., Gastaud, J., Gascó, C.L., Ham, G.J., Hegde, A.G., Holm, E., Jaskierowicz, D., Kanisch, G., Llaurado, M., La Rosa, J., Lee, S.-H., Liong Wee Kwong, L., Le Petit, G., Maruo, Y., Nielsen, S.P., Oh, J.-S., Oregioni, B., Palomares, J., Pettersson, H.B.L., Rulik, P., Ryan, T.P., Sato, K., Schikowski, J., Skwarzec, B., Smedley, P.A., Tarján, S., Vajda, N., Wyse, E.

“…A certified reference material (CRM) for radionuclides in fish sample IAEA-414 (mixed fish from the Irish Sea and North Seas) is described and the results of…”
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