About: Beam energy dependence of moments of the net-charge multiplicity distributions in Au+Au collisions at RHIC

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About: Beam energy dependence of moments of the net-charge multiplicity distributions in Au+Au collisions at RHIC Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://arxiv.org/pdf/1402.1558.pdf
Description	We report the first measurements of the moments -- mean (M), variance (σ2), skewness (S) and kurtosis (κ) -- of the net-charge multiplicity distributions at mid-rapidity in Au+Au collisions at seven energies, ranging from sNNroot = 7.7 to 200 GeV, as a part of the Beam Energy Scan program at RHIC. The moments are related to the thermodynamic susceptibilities of net-charge, and are sensitive to the proximity of the QCD critical point. We compare the products of the moments, σ2/M, Sσ and κσ2 with the expectations from Poisson and negative binomial distributions (NBD). The Sσ values deviate from Poisson and are close to NBD baseline, while the κσ2 values tend to lie between the two. Within the present uncertainties, our data do not show non-monotonic behavior as a function of collision energy. These measurements provide a distinct way of determining the freeze-out parameters in heavy-ion collisions by comparing with theoretical models. We report the first measurements of the moments -- mean (M), variance (σ2), skewness (S) and kurtosis (κ) -- of the net-charge multiplicity distributions at mid-rapidity in Au+Au collisions at seven energies, ranging from sNNroot = 7.7 to 200 GeV, as a part of the Beam Energy Scan program at RHIC. The moments are related to the thermodynamic susceptibilities of net-charge, and are sensitive to the proximity of the QCD critical point. We compare the products of the moments, σ2/M, Sσ and κσ2 with the expectations from Poisson and negative binomial distributions (NBD). The Sσ values deviate from Poisson and are close to NBD baseline, while the κσ2 values tend to lie between the two. Within the present uncertainties, our data do not show non-monotonic behavior as a function of collision energy. These measurements provide a distinct way of determining the freeze-out parameters in heavy-ion collisions by comparing with theoretical models. (en)
Title	Beam energy dependence of moments of the net-charge multiplicity distributions in Au+Au collisions at RHIC Beam energy dependence of moments of the net-charge multiplicity distributions in Au+Au collisions at RHIC (en)
skos:prefLabel	Beam energy dependence of moments of the net-charge multiplicity distributions in Au+Au collisions at RHIC Beam energy dependence of moments of the net-charge multiplicity distributions in Au+Au collisions at RHIC (en)
skos:notation	RIV/68407700:21340/14:00219315!RIV15-MSM-21340___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GA13-20841S), S
http://linked.open...iv/cisloPeriodika	Aug
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Chaloupka, Petr Pachr, Miloš Hájková, Olga Bielčík, Jaroslav
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	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	4952
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/14:00219315
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	quantum chromodynamics; critical phenomena; RHIC; gold; heavy ion scattering; STAR (en)
http://linked.open.../riv/klicoveSlovo	critical phenomena RHIC STAR heavy ion scattering gold quantum chromodynamics
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[E1E7DBE1C8AE]
http://linked.open...i/riv/nazevZdroje	PHYSICAL REVIEW LETTERS
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	357 (xsd:int)
http://linked.open...vavai/riv/projekt	Studium jaderné hmoty v ultra-relativistických jaderných srážkách na urychlovači RHIC
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	113
http://linked.open...iv/tvurceVysledku	Agakishiev, G. Aggarwal, M. M. Ahammed, Z. Chaloupka, Petr Bielčík, Jaroslav Pachr, Miloš Adamczyk, L. Hájková, Olga Adkins, J. K. Trzeciak, Barbara Antonina
http://linked.open...ain/vavai/riv/wos	000341301800002
issn	0031-9007
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevLett.113.092301
http://localhost/t...ganizacniJednotka	21340

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