About: An upper limit to the photon fraction in cosmic rays above 1019 eV from the Pierre Auger

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	An upper limit of 16% (at 95% c.l.) is derived for the photon fraction in cosmic rays with energies greater than 1019 eV, based on observations of the depth of shower maximum performed with the hybrid detector of the Pierre Auger Observatory. This is the first such limit on photons obtained by observing the fluorescence light profile of air showers. This upper limit confirms and improves on previous results from the Haverah Park and AGASA surface arrays. Additional data recorded with the Auger surface detectors for a subset of the event sample support the conclusion that a photon origin of the observed events is not favored. An upper limit of 16% (at 95% c.l.) is derived for the photon fraction in cosmic rays with energies greater than 1019 eV, based on observations of the depth of shower maximum performed with the hybrid detector of the Pierre Auger Observatory. This is the first such limit on photons obtained by observing the fluorescence light profile of air showers. This upper limit confirms and improves on previous results from the Haverah Park and AGASA surface arrays. Additional data recorded with the Auger surface detectors for a subset of the event sample support the conclusion that a photon origin of the observed events is not favored. (en) Na základě pozorování max. šířky spršky paprsků hybridním detektorem observatoře Pierra Augera je odvozen horní limit podílu fotonů v případě kosmických paprsků s energiemi většími než 1019 eV. Jde o první limit počtu fotonů, získaný pozorováním profilu fluorescence vzdušné spršky.#### (cs)
Title	An upper limit to the photon fraction in cosmic rays above 1019 eV from the Pierre Auger An upper limit to the photon fraction in cosmic rays above 1019 eV from the Pierre Auger (en) Horní limit pro podíl fotonů u kosmických paprsků nad 1019 eV podle observatoře Pierra Augera. (cs)
skos:prefLabel	An upper limit to the photon fraction in cosmic rays above 1019 eV from the Pierre Auger An upper limit to the photon fraction in cosmic rays above 1019 eV from the Pierre Auger (en) Horní limit pro podíl fotonů u kosmických paprsků nad 1019 eV podle observatoře Pierra Augera. (cs)
skos:notation	RIV/61989592:15310/07:00005008!RIV08-MSM-15310___
http://linked.open.../vavai/riv/strany	155-168
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M06002)
http://linked.open...iv/cisloPeriodika	2-3
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Řídký, Jan Pech, Miroslav 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	409372
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/07:00005008
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	cosmic rays; ultra-high energy photons; extensive air showers; Pierre Auger Observatory (en)
http://linked.open.../riv/klicoveSlovo	Pierre Auger Observatory extensive air showers cosmic rays ultra-high energy photons
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[E1B6D54673C3]
http://linked.open...i/riv/nazevZdroje	Astroparticle Physics
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	Optical structures, detection systems and relevant technologies for low photon number applications
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	27
http://linked.open...iv/tvurceVysledku	Aglietta, M. Hrabovský, Miroslav Nožka, Libor Palatka, Miroslav Pech, Miroslav Schovánek, Petr Řídký, Jan Abraham, J. Boháčová, M. Aguirre, C.
issn	0927-6505
number of pages	14 (xsd:int)
http://localhost/t...ganizacniJednotka	15310
is http://linked.open...avai/riv/vysledek of	An upper limit to the photon fraction in cosmic rays above 1019 eV from the Pierre Auger An upper limit to the photon fraction in cosmic rays above 1019 eV from the Pierre Auger An upper limit to the photon fraction in cosmic rays above 1019 eV from the Pierre Auger

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