About: Dilepton analysis in the HADES spectrometer for C+C at 2 a GeV

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The high-acceptance dielectron spectrometer (HADES) has become operational at GSI Darmstadt. The primary physics programme is to study in-medium changes of light vector mesons via their e(+)e(-) decays. The methods of dilepton signal reconstruction in the HADES spectrometer and preliminary dilepton spectra for C+C reactions at 2 A GeV are presented. In the signal reconstruction, particularly important is the reduction of the huge combinatorial background arising from e+e- combinations of leptons from gamma conversion in materials with other leptons in the collision. The purity of the dilepton signal is determined by using GEANT simulations with the full HADES geometry and a realistic detector response. The high-acceptance dielectron spectrometer (HADES) has become operational at GSI Darmstadt. The primary physics programme is to study in-medium changes of light vector mesons via their e(+)e(-) decays. The methods of dilepton signal reconstruction in the HADES spectrometer and preliminary dilepton spectra for C+C reactions at 2 A GeV are presented. In the signal reconstruction, particularly important is the reduction of the huge combinatorial background arising from e+e- combinations of leptons from gamma conversion in materials with other leptons in the collision. The purity of the dilepton signal is determined by using GEANT simulations with the full HADES geometry and a realistic detector response. (en) Dielektronový spektrometr HADES začal pracovat v GSI Darmstadt. Fyzikální program spočívá ve studiu změn vlastností vektorových mezonů v jaderném médiu, pomocí jejich rozpadu na elektron a pozitron. Jsou prezentovány první výsledky pro reakci C+C při energii 2 A GeV. (cs)
Title	Dilepton analysis in the HADES spectrometer for C+C at 2 a GeV Dilepton analysis in the HADES spectrometer for C+C at 2 a GeV (en) Analýza dileptonu v spektrometru HADES pro C+ C pri 2 AGeV (cs)
skos:prefLabel	Dilepton analysis in the HADES spectrometer for C+C at 2 a GeV Dilepton analysis in the HADES spectrometer for C+C at 2 a GeV (en) Analýza dileptonu v spektrometru HADES pro C+ C pri 2 AGeV (cs)
skos:notation	RIV/61389005:_____/05:00021756!RIV06-AV0-61389005
http://linked.open.../vavai/riv/strany	S231;S237
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA1048304), Z(AV0Z10480505)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Tlustý, Pavel Kugler, Andrej Wagner, Vladimír Pleskač, Radek Novotný, Jan Pospíšil, Vladimír
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	Ústav jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	518170
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/05:00021756
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hadron properties; ring recognition; matter (en)
http://linked.open.../riv/klicoveSlovo	hadron properties ring recognition matter
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[1D6B37072EF7]
http://linked.open...i/riv/nazevZdroje	Journal of Physics G - Nuclear and Particle Physics
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Dilepton production in ion-ion collisions and pion induced reactions
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	31
http://linked.open...iv/tvurceVysledku	Novotný, Jan Tlustý, Pavel Wagner, Vladimír Agakishiev, G. Kugler, Andrej Pospíšil, Vladimír Pleskač, Radek Bielcik, J.
http://linked.open...n/vavai/riv/zamer	Jaderná fyzika a příbuzné obory v základním, aplikovaném a interdisciplinárním výzkumu
issn	0954-3899
number of pages	7 (xsd:int)

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