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| Description
| - During past experimental campaigns at JET, the NE213 liquid scintillator proved to be a valid diagnostic tool for spectral measurements of fusion neutrons emitted from the plasma. The scintillator response function to neutrons is derived from theoretical estimation combined with measurements at an accelerator-based neutron source. The spectrum unfolding poses an illconditioned inversion problem similar to tomographic reconstruction. Minimum Fisher Regularisation (MFR) is one of the established methods in plasma 2D tomography, providing a rapid and robust tool for sparse data inversion without special a priori assumptions. In neutron analyses at JET, the MFR has been applied both in tomography (see contribution by G. Bonheure) and in unfolding the NE213 spectra, where good agreement with results of the standard Maximum Entropy unfolding procedure (MAXED) was demonstrated. This contribution is focussed on further progress in the MFR application to the unfolding of NE213 spectra.
- During past experimental campaigns at JET, the NE213 liquid scintillator proved to be a valid diagnostic tool for spectral measurements of fusion neutrons emitted from the plasma. The scintillator response function to neutrons is derived from theoretical estimation combined with measurements at an accelerator-based neutron source. The spectrum unfolding poses an illconditioned inversion problem similar to tomographic reconstruction. Minimum Fisher Regularisation (MFR) is one of the established methods in plasma 2D tomography, providing a rapid and robust tool for sparse data inversion without special a priori assumptions. In neutron analyses at JET, the MFR has been applied both in tomography (see contribution by G. Bonheure) and in unfolding the NE213 spectra, where good agreement with results of the standard Maximum Entropy unfolding procedure (MAXED) was demonstrated. This contribution is focussed on further progress in the MFR application to the unfolding of NE213 spectra. (en)
- Na tokamaku JET je testován scintilační detektor neutronů s náplní NE213. Dekonvolucí získaných spekter odražených protonů lze získat energetické spektrum neutronů, pokud je dobře známa převodní funkce. Minimální Fisherova regularizace (MFR), známá z 2D tomografie plazmatu, se ukázala jako velmi slibná i pro dekonvoluci spekter. Tento příspěvek se zaměřil na další zdokonalování MFR pro dekonvoluci neutronových spekter, zejména na uvedení metody maxima L-křivky a na srovnání s dekonvolucí pomocí kódu MAXED, který využívá principu maximální entropie. (cs)
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| Title
| - Neutron Spectra Unfolding with Minimum Fisher Regularisation
- Neutron Spectra Unfolding with Minimum Fisher Regularisation (en)
- Dekonvoluce neutronových spekter pomocí minimální Fisherovy regularizace (cs)
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| skos:prefLabel
| - Neutron Spectra Unfolding with Minimum Fisher Regularisation
- Neutron Spectra Unfolding with Minimum Fisher Regularisation (en)
- Dekonvoluce neutronových spekter pomocí minimální Fisherovy regularizace (cs)
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| skos:notation
| - RIV/61389021:_____/05:00041845!RIV07-AV0-61389021
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/61389021:_____/05:00041845
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - unfolding; neutron spectra; fusion; tokamak; JET (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
| - University of Cape Town, South Africa
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
| |
| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...UplatneniVysledku
| |
| http://linked.open...iv/tvurceVysledku
| - Bonheure, G.
- Mlynář, Jan
- Tsalas, M.
- Bertalot, L.
- Conroy, S.
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open.../riv/zahajeniAkce
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://purl.org/ne...btex#hasPublisher
| - SISSA (International School for Advanced Studies)
|
| is http://linked.open...avai/riv/vysledek
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