Zobrazeno 1 - 10
of 32
pro vyhledávání: '"C. Ballaux"'
Autor:
C. Ballaux, G. Sibbens, E. De Roost, D.F.G. Reher, B. Denecke, M.J. Woods, Timotheos Altzitzoglou, E. Funck
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 312:263-268
Two 192 Ir solutions were standardized by NPL and CBNM within the framework of EUROMET project no. 219. The 4 πβ - γ -coincidence method was used for these measurements, a 4 π CsI(Tl) detector for gamma-ray spectrometry, and NaI(Tl) well counter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54ceb34e8286cc5d290bc4facbdb913c
https://doi.org/10.1016/0168-9002(92)90166-2
https://doi.org/10.1016/0168-9002(92)90166-2
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 49:152-156
X-ray fluorescence sources were prepared and their emission rates certified with an accuracy of better than 2%. The sources were standardized using a gas-flow proportional counter in a defined low-solid-angle setup. They were used for the efficiency
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b95ce88d83e4b84f2b4f6d3a30e5e6c1
https://doi.org/10.1016/0168-583x(90)90233-k
https://doi.org/10.1016/0168-583x(90)90233-k
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 286:474-479
Fluorescence sources were prepared and their KX-ray-emission rates certified with an accuracy of better than 2% using a gas-flow proportional counter in a defined low-solid-angle setup. These sources were used for the efficiency calibration of a Si(L
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8374bd617505dbbee6c80b2b09e52e2a
https://doi.org/10.1016/0168-9002(90)90901-h
https://doi.org/10.1016/0168-9002(90)90901-h
Autor:
C. Ballaux
Publikováno v:
Health physics. 78(3)
Due to the volatile nature of selenium and selenium dioxide, an important atmospheric dispersion of {sup 75}Se can occur in case of a violent fire (>800 C). This type of accident is possible when transporting or using a highly active {sup 75}Se sourc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83f5b8bca11f76daa5009569a65e1989
https://pubmed.ncbi.nlm.nih.gov/10688454
https://pubmed.ncbi.nlm.nih.gov/10688454
Autor:
C. Ballaux
Publikováno v:
The International Journal of Applied Radiation and Isotopes. 34:1159-1166
A solution of 137 Cs has been standardized by means of 4 πγ [NaI(T1)] integral counting and by 4 π (PC)- γ efficiency tracing and extrapolation with 134 Cs as tracer. Both methods giving nearly equal results, a γ-ray-emission probability per dec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d54e311798239fb09f8289816165511
https://doi.org/10.1016/0020-708x(83)90183-7
https://doi.org/10.1016/0020-708x(83)90183-7
Autor:
D. E. Peaslee, J. C. Ballaux
Publikováno v:
Soil Science Society of America Journal. 39:275-278
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43bd6dc79332b00d1f259194d3ed956a
https://doi.org/10.2136/sssaj1975.03615995003900020017x
https://doi.org/10.2136/sssaj1975.03615995003900020017x
Autor:
C. Ballaux
Publikováno v:
The International Journal of Applied Radiation and Isotopes. 34:493-499
The usage of NaI(Tl) well detectors in radionuclide metrology is reviewed. The system in use at IRK. LMRI, NBS, PTB, and SCK/CEN † are compared. The results of an intercomparison of the computer codes applied to 4τγ integral counting of radionucl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12f4ddef6b50cf45813bb22e1ba8fe53
https://doi.org/10.1016/0020-708x(83)90268-5
https://doi.org/10.1016/0020-708x(83)90268-5
Autor:
C. Ballaux, M.J. Woods, R. Vaninbroukx, R. Vatin, D. Reher, B. Chauvenet, J. Morel, S.E.M. Lucas, R. Jacquemin
Publikováno v:
The International Journal of Applied Radiation and Isotopes. 35:923-926
A solution of 123 I was assayed by five laboratories. The uncertainty of the result was 0.3%, corresponding to one standard deviation of the mean.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef6de56535ba623d91527317c93e823e
https://doi.org/10.1016/0020-708x(84)90203-5
https://doi.org/10.1016/0020-708x(84)90203-5
Publikováno v:
Plant and Soil. 48:565-580
Long-term land quality studies on a toposequence, presenting a continuum of edaphic and hydrologic conditions from dry land to hydromorphic valley bottom opened interesting possibilities for sequential testing of drought tolerance of rice varieties.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea394d170a06f5ff75219cde6ae9e238
https://doi.org/10.1007/bf00145768
https://doi.org/10.1007/bf00145768
Autor:
J.M.R. Hutchinson, C. Ballaux
Publikováno v:
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes. 37:923-928
The γ-ray emission rate of 109Cd can be measured by means of spectrometry with a NaI(Tl) well-type detector. The corrections from photoelectron escape, from Compton effect near the interface crystal-liner, from bremsstrahlung, produced during slowin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df2d368f7107e87689c12ba3ba125712
https://doi.org/10.1016/0883-2889(86)90240-6
https://doi.org/10.1016/0883-2889(86)90240-6