About: Production of charged pions, kaons and protons at large transverse momenta in pp and Pb-Pb collisions at root sNN=2.76 TeV

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About: Production of charged pions, kaons and protons at large transverse momenta in pp and Pb-Pb collisions at root sNN=2.76 TeV Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Transverse momentum spectra of π ±, K ± and p(p-) up to pT = 20 GeV/c at mid-rapidity in pp, peripheral (60-80%) and central (0-5%) Pb-Pb collisions at root sNN=2.76 TeV have been measured using the ALICE detector at the Large Hadron Collider. The proton-to-pion and the kaon-to-pion ratios both show a distinct peak at pT ~ 3 GeV/c in central Pb-Pb collisions. Below the peak, pT < 3 GeV/c, both ratios are in good agreement with hydrodynamical calculations, suggesting that the peak itself is dominantly the result of radial flow rather than anomalous hadronization processes. For pT > 10 GeV/c particle ratios in pp and Pb-Pb collisions are in agreement and the nuclear modification factors for π ±, K ± and p(p-) indicate that, within the systematic and statistical uncertainties, the suppression is the same. This suggests that the chemical composition of leading particles from jets in the medium is similar to that of vacuum jets. Transverse momentum spectra of π ±, K ± and p(p-) up to pT = 20 GeV/c at mid-rapidity in pp, peripheral (60-80%) and central (0-5%) Pb-Pb collisions at root sNN=2.76 TeV have been measured using the ALICE detector at the Large Hadron Collider. The proton-to-pion and the kaon-to-pion ratios both show a distinct peak at pT ~ 3 GeV/c in central Pb-Pb collisions. Below the peak, pT < 3 GeV/c, both ratios are in good agreement with hydrodynamical calculations, suggesting that the peak itself is dominantly the result of radial flow rather than anomalous hadronization processes. For pT > 10 GeV/c particle ratios in pp and Pb-Pb collisions are in agreement and the nuclear modification factors for π ±, K ± and p(p-) indicate that, within the systematic and statistical uncertainties, the suppression is the same. This suggests that the chemical composition of leading particles from jets in the medium is similar to that of vacuum jets. (en)
Title	Production of charged pions, kaons and protons at large transverse momenta in pp and Pb-Pb collisions at root sNN=2.76 TeV Production of charged pions, kaons and protons at large transverse momenta in pp and Pb-Pb collisions at root sNN=2.76 TeV (en)
skos:prefLabel	Production of charged pions, kaons and protons at large transverse momenta in pp and Pb-Pb collisions at root sNN=2.76 TeV Production of charged pions, kaons and protons at large transverse momenta in pp and Pb-Pb collisions at root sNN=2.76 TeV (en)
skos:notation	RIV/68407700:21340/14:00219807!RIV15-MSM-21340___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(LG13031), S
http://linked.open...iv/cisloPeriodika	Sep
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Petráček, Vojtěch Čepila, Jan Křelina, Michal Schulc, Martin Wagner, Vladimír Adam, Jaroslav Broz, Michal Pachr, Miloš Krůs, Miroslav Zach, Čeněk Špaček, Michal Šmakal, Radek Petráň, Michal 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	39982
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/14:00219807
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ALICE; Baryon anomaly; Identified particle production; LHC; Nuclear modification factor; Particle ratios (en)
http://linked.open.../riv/klicoveSlovo	LHC ALICE Nuclear modification factor Baryon anomaly Identified particle production Particle ratios
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[D9B076080528]
http://linked.open...i/riv/nazevZdroje	Physics Letters B
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	14 (xsd:int)
http://linked.open...cetTvurcuVysledku	948 (xsd:int)
http://linked.open...vavai/riv/projekt	Collaboration of the Czech Republic with CERN
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	736
http://linked.open...iv/tvurceVysledku	Adamová, Dagmar Petráček, Vojtěch Wagner, Vladimír Čepila, Jan Aggarwal, M. M. Abelev, B. Bielčík, Jaroslav Pachr, Miloš Krůs, Miroslav Zach, Čeněk Špaček, Michal Petráň, Michal Šmakal, Radek Adam, Jaroslav Contreras Nuno, Guillermo Křelina, Michal Schulc, Martin Broz, Michal Eyyubova, Gyulnara Rinella, G. A.
http://linked.open...ain/vavai/riv/wos	000341487800026
issn	0370-2693
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.physletb.2014.07.011
http://localhost/t...ganizacniJednotka	21340

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