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CERN Document Server 找到 2,035 筆記錄  1 - 10下一個最後  跳到記錄: 檢索需時 0.29 秒. 
1.
(100)
An enhanced characterization process for the elimination of very low level radioactive waste in particle accelerators / Frosio, Thomas (CERN) ; Bertreix, Philippe (CERN) ; Magistris, Matteo (CERN) ; Menaa, Nabil (CERN) ; Michaud, Régis (CERN) ; Rimlinger, Maeva (CERN) ; Theis, Chris (CERN) ; Ulrici, Luisa (CERN) ; Zaffora, Biagio (CERN)
The elimination of very low level waste towards the French national repository requires their radiological characterization to estimate the radionuclide inventory and the associated activities within a waste package. Such characterization is performed by means of activation calculations and measurements. [...]
2020 - Published in : Appl. Radiat. Isot. 166 (2020) 109312
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2.
(91)
Qualification of gamma spectrometry measurement for the radiological characterization of mixed VLLW cables in particle accelerators / Rimlinger, Maeva (CERN) ; Frosio, Thomas (CERN) ; Menaa, Nabil (CERN) ; Magistris, Matteo (CERN) ; Theis, Chris (CERN)
In the framework of maintenance activities in particle accelerators, such as upgrades and dismantling, a large number of activated equipment are removed from the accelerator complex and require characterization in view of their disposal as radioactive waste. In particular, cables can be of different types. [...]
2020 - 10 p. - Published in : Appl. Radiat. Isot. 166 (2020) 109419 Fulltext: PDF;
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3.
(88)
Radiological characterization of large electromagnets in view of their elimination as very low-level wastes / Frosio, Thomas (CERN) ; Magistris, Matteo (CERN) ; Menaa, Nabil (CERN) ; Michaud, Régis (CERN) ; Rimlinger, Maeva (CERN) ; Theis, Chris (CERN)
The operation of particle accelerators at CERN requires the use of electromagnets, which are accelerator components used to guide and focus charged particles. In the framework of maintenance activities and machine upgrades or dismantling, a large number of magnets are removed from the accelerator complex and required characterization in view of their disposal as radioactive waste. [...]
2020 - 13 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 959 (2020) 163493 Fulltext from publisher: PDF;
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4.
(81)
A novel technique for the optimization and reduction of gamma spectroscopy geometry uncertainties / Frosio, Thomas (CERN) ; Menaa, Nabil (CERN) ; Bertreix, Philippe (CERN) ; Rimlinger, Maeva (CERN) ; Theis, Chris (CERN)
Material activation can sometimes cause large heterogeneities in the distribution of radioactivity (hotspots). Moreover, the sample geometry parameters are not always well known. [...]
2020 - 16 p. - Published in : Appl. Radiat. Isot. 156 (2020) 108953 Fulltext from publisher: PDF;
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5.
(46)
Uncertainty quantification applied to the radiological characterization of radioactive waste / Zaffora, B (CERN) ; Magistris, M (CERN) ; Saporta, G (CNAM, Paris) ; Chevalier, J -P (CNAM, Paris)
This paper describes the process adopted at the European Organization for Nuclear Research (CERN) to quantify uncertainties affecting the characterization of very-low-level radioactive waste. Radioactive waste is a by-product of the operation of high-energy particle accelerators. [...]
2017 - 8 p. - Published in : Appl. Radiat. Isot. 127 (2017) 142-149
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6.
(43)
A new gamma spectroscopy methodology based on probabilistic uncertainty estimation and conservative approach / Frosio, Thomas (CERN) ; Menaa, Nabil (CERN) ; Duchemin, Charlotte (CERN) ; Riggaz, Nicolas (CERN) ; Theis, Chris (CERN)
The gamma spectroscopy technique is commonly used in many applications to evaluate the activity of gamma emitters in a given sample. This assessment of activity is of particular interest for the disposal of radioactive waste or for clearance purposes. [...]
2020 - Published in : Appl. Radiat. Isot. 155 (2020) 108929 Fulltext: PDF;
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7.
(43)
Radiological characterization of printed circuit boards for future elimination / Zaffora, Biagio (CERN) ; Magistris, Matteo (CERN)
Electronic components like printed circuit boards (PCBs) are commonly used in CERN's accelerator complex. During their lifetime some of these PCBs are exposed to a radiation field of protons, neutrons and pions and are activated. [...]
2016 - 7 p. - Published in : Appl. Radiat. Isot. 113 (2016) 40-46
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8.
(41)
New methodology for in-situ classification of radiological items with a clearance monitor system / Frosio, Thomas (CERN) ; Menaa, Nabil (CERN) ; Dumont, Gérald (CERN) ; Aberle, Frédéric (CERN)
Maintenance activities and operations of high-energy particle accelerators can lead to the collection ofradioactive equipment as well as waste materials. In order to ensure their proper classification as radioactiveor non-radioactive, one has to quantify the activities of radionuclides produced. [...]
2020 - 8 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 966 (2020) 163847 Fulltext: PDF;
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9.
(40)
A new approach to characterize very-low-level radioactive waste produced at hadron accelerators / Zaffora, Biagio (CERN) ; Magistris, Matteo (CERN) ; Chevalier, Jean-Pierre (CNAM, Paris) ; Luccioni, Catherine (CNAM, Paris) ; Saporta, Gilbert (CNAM, Paris) ; Ulrici, Luisa (CERN)
Radioactive waste is produced as a consequence of preventive and corrective maintenance during the operation of high-energy particle accelerators or associated dismantling campaigns. Their radiological characterization must be performed to ensure an appropriate disposal in the disposal facilities. [...]
2017 - 7 p. - Published in : Appl. Radiat. Isot. 122 (2017) 141-147
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10.
(39)
Classification of radiological objects at the exit of accelerators with a dose-rate constraint / Frosio, Thomas (CERN) ; Dumont, Gerald (CERN) ; Froeschl, Robert (CERN) ; Iliopoulou, Elpida (CERN) ; Magistris, Matteo (CERN) ; Menaa, Nabil (CERN) ; Roesler, Stefan (CERN) ; Theis, Chris (CERN) ; Vincke, Heinz (CERN) ; Vincke, Helmut (CERN)
Maintenance activities and operations of high-energy particle accelerators can lead to the collection of radioactive equipment as well as waste materials. In order to ensure their proper classification as radioactive or non-radioactive, one has to quantify the activities of radionuclides produced. [...]
2020 - 13 p. - Published in : Appl. Radiat. Isot. 165 (2020) 109303 Fulltext: PDF;
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