About: Measurement of transverse single-spin asymmetries for J/psi production in polarized p + p collisions at root s = 200 GeV

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About: Measurement of transverse single-spin asymmetries for J/psi production in polarized p + p collisions at root s = 200 GeV Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://arxiv.org/pdf/1210.6683v1
Description	We report the first measurement of transverse single-spin asymmetries in J/psi production from transversely polarized p + p collisions at root s = 200 GeV with data taken by the PHENIX experiment in 2006 and 2008. The measurement was performed over the rapidity ranges 1.2 < vertical bar y vertical bar < 2.2 and vertical bar y vertical bar < 0.35 for transverse momenta up to 6 GeV/c. J/psi production at the Relativistic Heavy Ion Collider is dominated by processes involving initial-state gluons, and transverse single-spin asymmetries of the J/psi can provide access to gluon dynamics within the nucleon. Such asymmetries may also shed light on the long-standing question in QCD of the J/psi production mechanism. Asymmetries were obtained as a function of J/psi transverse momentum and Feynman-x, with a value of -0.086 +/- 0.026(stat) +/- 0.003(syst) in the forward region. This result suggests possible nonzero trigluon correlation functions in transversely polarized protons and, if well defined in this reaction, a nonzero gluon Sivers distribution function. We report the first measurement of transverse single-spin asymmetries in J/psi production from transversely polarized p + p collisions at root s = 200 GeV with data taken by the PHENIX experiment in 2006 and 2008. The measurement was performed over the rapidity ranges 1.2 < vertical bar y vertical bar < 2.2 and vertical bar y vertical bar < 0.35 for transverse momenta up to 6 GeV/c. J/psi production at the Relativistic Heavy Ion Collider is dominated by processes involving initial-state gluons, and transverse single-spin asymmetries of the J/psi can provide access to gluon dynamics within the nucleon. Such asymmetries may also shed light on the long-standing question in QCD of the J/psi production mechanism. Asymmetries were obtained as a function of J/psi transverse momentum and Feynman-x, with a value of -0.086 +/- 0.026(stat) +/- 0.003(syst) in the forward region. This result suggests possible nonzero trigluon correlation functions in transversely polarized protons and, if well defined in this reaction, a nonzero gluon Sivers distribution function. (en)
Title	Measurement of transverse single-spin asymmetries for J/psi production in polarized p + p collisions at root s = 200 GeV Measurement of transverse single-spin asymmetries for J/psi production in polarized p + p collisions at root s = 200 GeV (en)
skos:prefLabel	Measurement of transverse single-spin asymmetries for J/psi production in polarized p + p collisions at root s = 200 GeV Measurement of transverse single-spin asymmetries for J/psi production in polarized p + p collisions at root s = 200 GeV (en)
skos:notation	RIV/68407700:21340/12:00201587!RIV13-MSM-21340___
http://linked.open...avai/riv/aktivita	I Z
http://linked.open...avai/riv/aktivity	I, Z(MSM6840770039)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Virius, Miroslav Liška, Tomáš
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
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 / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	149008
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/12:00201587
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hadroproduction; leptonic decay; transverse momentum dependence; RHIC (en)
http://linked.open.../riv/klicoveSlovo	RHIC hadroproduction leptonic decay transverse momentum dependence
http://linked.open...ontrolniKodProRIV	[54BA166F27D7]
http://linked.open...in/vavai/riv/obor	BF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	447 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Adare, A. Afanasiev, S. Aidala, C. Liška, Tomáš Virius, Miroslav Vrba, Václav Král, A. Ajitanand, N. N. Akiba, Y.
http://linked.open...n/vavai/riv/zamer	Matematické, počítačové a experimentální metody ve fyzice
http://bibframe.org/vocab/doi	10.1103/PhysRevD.86.099904
http://localhost/t...ganizacniJednotka	21340

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