About: Charmonium and e(+)e(-) pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at root s(NN)=2.76 TeV

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About: Charmonium and e(+)e(-) pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at root s(NN)=2.76 TeV Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The charmonium is identified via its leptonic decay for events where the hadronic activity is required to be minimal. The analysis is based on an event sample corresponding to an integrated luminosity of about 23 mu b(-1). The cross section for coherent and incoherent J/psi production in the rapidity interval -0.9 < y < 0.9, are d sigma(coh)(J/psi)/dy = 2.38(-0.24)(+0.34)(sta + sys) mb and d sigma(inc)(J/psi)/dy = 0.98(-0.17)(+0.19)(sta + sys) mb and , respectively. The results are compared to theoretical models for J/psi production and the coherent cross section is found to be in good agreement with those models incorporating moderate nuclear gluon shadowing at Bjorken-x around 10(-3), such as EPS09 parametrization. In addition the cross section for the process gamma gamma -> e(+)e(-) has been measured and found to be in agreement with models implementing QED at leading order. The charmonium is identified via its leptonic decay for events where the hadronic activity is required to be minimal. The analysis is based on an event sample corresponding to an integrated luminosity of about 23 mu b(-1). The cross section for coherent and incoherent J/psi production in the rapidity interval -0.9 < y < 0.9, are d sigma(coh)(J/psi)/dy = 2.38(-0.24)(+0.34)(sta + sys) mb and d sigma(inc)(J/psi)/dy = 0.98(-0.17)(+0.19)(sta + sys) mb and , respectively. The results are compared to theoretical models for J/psi production and the coherent cross section is found to be in good agreement with those models incorporating moderate nuclear gluon shadowing at Bjorken-x around 10(-3), such as EPS09 parametrization. In addition the cross section for the process gamma gamma -> e(+)e(-) has been measured and found to be in agreement with models implementing QED at leading order. (en)
Title	Charmonium and e(+)e(-) pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at root s(NN)=2.76 TeV Charmonium and e(+)e(-) pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at root s(NN)=2.76 TeV (en)
skos:prefLabel	Charmonium and e(+)e(-) pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at root s(NN)=2.76 TeV Charmonium and e(+)e(-) pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at root s(NN)=2.76 TeV (en)
skos:notation	RIV/68378271:_____/13:00421807!RIV14-MSM-68378271
http://linked.open...avai/riv/aktivita	I P S Z
http://linked.open...avai/riv/aktivity	I, P(LG13031), P(LK11209), S, Z(MSM6840770039)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Polák, Karel Mareš, Jiří A. Závada, Petr
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	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	65191
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/13:00421807
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ALICE; LHC; J/psi photoproduction (en)
http://linked.open.../riv/klicoveSlovo	J/psi photoproduction LHC ALICE
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[53D7F7DAD074]
http://linked.open...i/riv/nazevZdroje	European Physical Journal C
http://linked.open...in/vavai/riv/obor	BF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	983 (xsd:int)
http://linked.open...vavai/riv/projekt	Collaboration of the Czech Republic with CERN Integration of prof. Guillermo Contreras in activity of Centre for Physics of Ultra-relativistic Heavy Ion Collisions at FNSPE CTU
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	73
http://linked.open...iv/tvurceVysledku	Adamová, Dagmar Bielčík, J. Bielčíková, Jana Kushpil, Svetlana Kushpil, Vasilij Mareš, Jiří A. Polák, Karel Tlustý, D. Závada, Petr Šumbera, Michal Abelev, B. Adam, J. Čepila, J. Pospíšil, V. Pachr, M. Krus, M. Křelina, M. Petráček, V. Petráň, M. Vajzer, Michal Zach, Č. Šmakal, R. Kučera, Vít Abbas, E.
http://linked.open...ain/vavai/riv/wos	000326818400001
http://linked.open...n/vavai/riv/zamer	Matematické, počítačové a experimentální metody ve fyzice
issn	1434-6044
number of pages	18 (xsd:int)
http://bibframe.org/vocab/doi	10.1140/epjc/s10052-013-2617-1

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