About: Measurement of the pressure dependence of air fluorescence emission induced by electrons

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

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The fluorescence detection of ultra high energy ( 1018 eV) cosmic rays requires a detailed knowledge of the fluorescence light emission from nitrogen molecules, which are excited by the cosmic ray shower particles along their path in the atmosphere. We have made a precise measurement of the fluorescence light spectrum excited by MeV electrons in dry air. We measured the relative intensities of 34 fluorescence bands in the wavelength range from 284 to 429 nm with a high resolution spectrograph. The pressure dependence of the fluorescence spectrum was also measured from a few hPa up to atmospheric pressure. Relative intensities and collisional quenching reference pressures for bands due to transitions from a common upper level were found in agreement with theoretical expectations. The presence of argon in air was found to have a negligible effect on the fluorescence yield. We estimated that the systematic uncertainty on the cosmic ray shower energy due to the pressure dependence of the fluorescence spec The fluorescence detection of ultra high energy ( 1018 eV) cosmic rays requires a detailed knowledge of the fluorescence light emission from nitrogen molecules, which are excited by the cosmic ray shower particles along their path in the atmosphere. We have made a precise measurement of the fluorescence light spectrum excited by MeV electrons in dry air. We measured the relative intensities of 34 fluorescence bands in the wavelength range from 284 to 429 nm with a high resolution spectrograph. The pressure dependence of the fluorescence spectrum was also measured from a few hPa up to atmospheric pressure. Relative intensities and collisional quenching reference pressures for bands due to transitions from a common upper level were found in agreement with theoretical expectations. The presence of argon in air was found to have a negligible effect on the fluorescence yield. We estimated that the systematic uncertainty on the cosmic ray shower energy due to the pressure dependence of the fluorescence spec (en) Detekce kosmických částic s velmi vysokými energiemi ( 1018 eV) pomocí fluorescence vyžaduje detailní znalost fluorescence molekul dusíku vyvolané sprškou částic podél jejich dráhy v atmosféře. Provedli jsme přesná měření pro analýzu závislosti intenzity fluorescence na změnách tlaku vzduchu. (cs)
Title	Measurement of the pressure dependence of air fluorescence emission induced by electrons Measurement of the pressure dependence of air fluorescence emission induced by electrons (en) Měření závislosti fluorescence vzduchu vyvolané elektrony na jeho tlaku. (cs)
skos:prefLabel	Measurement of the pressure dependence of air fluorescence emission induced by electrons Measurement of the pressure dependence of air fluorescence emission induced by electrons (en) Měření závislosti fluorescence vzduchu vyvolané elektrony na jeho tlaku. (cs)
skos:notation	RIV/61989592:15310/07:00004640!RIV08-GA0-15310___
http://linked.open.../vavai/riv/strany	41-57
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA202/05/2470)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Řídký, Jan Palatka, Miroslav Schovánek, Petr Hrabovský, Miroslav
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	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	432512
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/07:00004640
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	air fluorescence; AIRFLY (en)
http://linked.open.../riv/klicoveSlovo	air fluorescence AIRFLY
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[09592DA02176]
http://linked.open...i/riv/nazevZdroje	Astroparticle Physics
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	The AIRFLY experiment: AIR Fluorescence Yield - study of the fluorescent light emission iduced by ionizing radiation in the air
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	28
http://linked.open...iv/tvurceVysledku	Hrabovský, Miroslav Nožka, Libor Palatka, Miroslav Schovánek, Petr Řídký, Jan Ave, M. Boháčová, M. Buonomo, B.
issn	0927-6505
number of pages	17 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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