Zobrazeno 1 - 10
of 48
pro vyhledávání: '"H Ottmar"'
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 615:127-135
A mathematical simulation approach based on the general purpose Monte Carlo N-particle transport code MCNP was developed to predict the response of the XRF branch of the hybrid K-edge/K-XRF densitometer (HKED). The respective MCNP models for two diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f6d8a43b1ab3b6ceaf431cbc3fb36f0f
https://doi.org/10.1016/j.nima.2010.01.010
https://doi.org/10.1016/j.nima.2010.01.010
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 543:608-618
A combined Calorimetry/Neutron Coincidence Counting/Gamma Spectrometry (CANEGA) assay approach offering the potential for improved nondestructive plutonium assay is described. The combination of the six directly measurable quantities as obtained from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da3c1758af8001618b782ada914e4666
https://doi.org/10.1016/j.nima.2004.12.011
https://doi.org/10.1016/j.nima.2004.12.011
Autor:
H. Ottmar, M. Ougier, B. Lynch, P. Vallet, H. Eberle, P. van Belle, Said Abousahl, Klaus Mayer
Publikováno v:
Radiochimica Acta. 93:147-153
Summary Advanced nuclear fuel cycles are being developed in order to reduce the long-term radiotoxicity of highly radioactive waste. Pyrochemical partitioning techniques appear particularly attractive for advanced fuel cycles in which the minor actin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::527d69d1a6d3555b77ad473901203aca
https://doi.org/10.1524/ract.93.3.147.61614
https://doi.org/10.1524/ract.93.3.147.61614
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 517:211-218
The measurement of nanogram and microgram quantities of 241Am can be carried out by comparing its rate of 59.541 keV γ emission to that of known amount of 238U emitting a 63.290 keV γ-ray following α decay to 234Th. As the accuracy of the method a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a91522af1b8396d0879365194319cef
https://doi.org/10.1016/j.nima.2003.09.041
https://doi.org/10.1016/j.nima.2003.09.041
Publikováno v:
Radiochimica Acta. 90:389-393
Summary An experimental procedure has been developed for the analysis of neptunium in input solutions of spent nuclear fuel reprocessing. The method consists of selective chromatographic extraction of neptunium and plutonium using TEVA resin followed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c795e9a2913e9c51aa0db3807ae491d
https://doi.org/10.1524/ract.2002.90.7_2002.389
https://doi.org/10.1524/ract.2002.90.7_2002.389
Publikováno v:
Radiation Protection Dosimetry. 97:193-198
Thorium may be determined using a variety of analytical methods. These may be based on chemical or physical principles or may make use of the radioactive decay of the individual thorium isotopes. The method to be used for a certain analytical purpose
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dbcca15cbc2028ee239b997816869fce
https://doi.org/10.1093/oxfordjournals.rpd.a006660
https://doi.org/10.1093/oxfordjournals.rpd.a006660
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 426:503-517
A series of Monte Carlo neutron calculations for a combined gamma/passive neutron coincidence counter has been performed. This type of device, part of a suite of non-destructive assay instruments utilised for the enforcement of the Euratom nuclear sa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5baa62eddbdc9f4b818090bcc39fe23
https://doi.org/10.1016/s0168-9002(98)01448-x
https://doi.org/10.1016/s0168-9002(98)01448-x
Publikováno v:
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine. 69(2)
Because of the very low specific activity of (242)Pu, the non-destructive assay of this isotope by means of conventional high-resolution gamma-spectrometry (HRGS) is possible only for Pu samples highly rich in (242)Pu. For bulk samples suffering from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d36584e0850dccbff3e14890a2e61cd
https://pubmed.ncbi.nlm.nih.gov/21144759
https://pubmed.ncbi.nlm.nih.gov/21144759
Autor:
A. Fernandez, C. Sage, A. J. M. Plompen, P. Romain, H. Ottmar, P. Dessagne, C. Nästren, Joseph Somers, F. Gunsing, O. Bouland, Gilles Noguere, G. Rudolf, F. Wastin, V. Semkova
Publikováno v:
Physical Review C. 81
Measurements of the $^{241}\mathrm{Am}$($n,2n$) reaction cross section have been performed at the Joint Research Centre (JRC) Geel in the frame of a collaboration between the European Commission (EC) JRC and French laboratories from CNRS and the Comm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ded12a2ca8f3fe3055480cd59906ac08
https://doi.org/10.1103/physrevc.81.064604
https://doi.org/10.1103/physrevc.81.064604
Autor:
M. Wallenius, S. Abousahl, K. Luetzenkirchen, K. Mayer, H. Ottmar, I. Ray, A Schubert, T. Wiss
Publikováno v:
Recent Advances in Actinide Science ISBN: 9780854046782
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf5dc4a5d090b226272195f7199ea97f
https://doi.org/10.1039/bk9780854046782-00026
https://doi.org/10.1039/bk9780854046782-00026
