About: Position sensitive detection of neutrons in high radiation background field

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About: Position sensitive detection of neutrons in high radiation background field Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://scitation.aip.org/content/aip/journal/rsi/85/1/10.1063/1.4862478
Description	We present the development of a high-resolution position sensitive device for detection of slow neutrons in the environment of extremely high γ and e- radiation background. We make use of a planar silicon pixelated (pixel size: 55 x 55 μm2) spectroscopic Timepix detector adapted for neutron detection utilizing very thin 10B converter placed onto detector surface. We demonstrate that electromagnetic radiation background can be discriminated from the neutron signal utilizing the fact that each particle type produces characteristic ionization tracks in the pixelated detector. Particular tracks can be distinguished by their 2D shape (in the detector plane) and spectroscopic response using single event analysis. A Cd sheet served as thermal neutron stopper as well as intensive source of gamma rays and energetic electrons. Highly efficient discrimination was successful even at very low neutron to electromagnetic background ratio about 10-4. We present the development of a high-resolution position sensitive device for detection of slow neutrons in the environment of extremely high γ and e- radiation background. We make use of a planar silicon pixelated (pixel size: 55 x 55 μm2) spectroscopic Timepix detector adapted for neutron detection utilizing very thin 10B converter placed onto detector surface. We demonstrate that electromagnetic radiation background can be discriminated from the neutron signal utilizing the fact that each particle type produces characteristic ionization tracks in the pixelated detector. Particular tracks can be distinguished by their 2D shape (in the detector plane) and spectroscopic response using single event analysis. A Cd sheet served as thermal neutron stopper as well as intensive source of gamma rays and energetic electrons. Highly efficient discrimination was successful even at very low neutron to electromagnetic background ratio about 10-4. (en)
Title	Position sensitive detection of neutrons in high radiation background field Position sensitive detection of neutrons in high radiation background field (en)
skos:prefLabel	Position sensitive detection of neutrons in high radiation background field Position sensitive detection of neutrons in high radiation background field (en)
skos:notation	RIV/68407700:21670/14:00229020!RIV15-TA0-21670___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED1.1.00/02.0060), P(GBP108/12/G108), P(TA01010237)
http://linked.open...iv/cisloPeriodika	85
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Vavřík, Daniel Jakůbek, Jan Pospíšil, Stanislav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Ústav technické a experimentální fyziky ČVUT
http://linked.open...dnocenehoVysledku	37705
http://linked.open...ai/riv/idVysledku	RIV/68407700:21670/14:00229020
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Neutrons; Pattern recognition; Position sensitive detectors; Radiation detectors; Silicon detectors (en)
http://linked.open.../riv/klicoveSlovo	Silicon detectors Pattern recognition Position sensitive detectors Radiation detectors Neutrons
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[034F6FF315DD]
http://linked.open...i/riv/nazevZdroje	Review of Scientific Instruments
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Preparation, modification and characterization of materials by radiation Facility for nondestructive testing, diagnostics and 3D imaging based on neutron radiography and tomography. Centre of Excellence Telc
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	2014
http://linked.open...iv/tvurceVysledku	Jakůbek, Jan Pospíšil, Stanislav Vacík, Jiří Vavřík, Daniel
http://linked.open...ain/vavai/riv/wos	000331217300019
issn	0034-6748
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1063/1.4862478
http://localhost/t...ganizacniJednotka	21670

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