Temperature and Transverse Expansion of Fireballs in Pb+Pb Collisions at the LHC

We analyze hadron transverse momentum spectra from Pb+Pb Collisions recorded by the LHC detector ALICE. As the theoretical model we use a Monte Carlo model which includes production and decays of resonances. The transverse expansion of the fireball is shown to be stronger and the freeze-out temperat...

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Main Authors: Ivan Melo, Boris Tomasik
Format: Article
Language:English
Published: University of Žilina 2014-02-01
Series:Communications
Subjects:
Online Access:https://komunikacie.uniza.sk/artkey/csl-201401-0010_temperature-and-transverse-expansion-of-fireballs-in-pb-pb-collisions-at-the-lhc.php
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author Ivan Melo
Boris Tomasik
author_facet Ivan Melo
Boris Tomasik
author_sort Ivan Melo
collection DOAJ
description We analyze hadron transverse momentum spectra from Pb+Pb Collisions recorded by the LHC detector ALICE. As the theoretical model we use a Monte Carlo model which includes production and decays of resonances. The transverse expansion of the fireball is shown to be stronger and the freeze-out temperature higher than in similar collisions at RHIC, where collision energy is more than ten times lower.
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spelling doaj.art-bd48c5bb9b634ab1833a45fa9ad2f2202023-04-14T06:31:09ZengUniversity of ŽilinaCommunications1335-42052585-78782014-02-01161555810.26552/com.C.2014.1.55-58csl-201401-0010Temperature and Transverse Expansion of Fireballs in Pb+Pb Collisions at the LHCIvan Melo0Boris Tomasik1Department of Physics, University of Zilina, Slovakia and Department of Physics, Matej Bel University Banska Bystrica, SlovakiaDepartment of Physics, Matej Bel University Banska Bystrica, SlovakiaWe analyze hadron transverse momentum spectra from Pb+Pb Collisions recorded by the LHC detector ALICE. As the theoretical model we use a Monte Carlo model which includes production and decays of resonances. The transverse expansion of the fireball is shown to be stronger and the freeze-out temperature higher than in similar collisions at RHIC, where collision energy is more than ten times lower.https://komunikacie.uniza.sk/artkey/csl-201401-0010_temperature-and-transverse-expansion-of-fireballs-in-pb-pb-collisions-at-the-lhc.phpheavy ion collisionsquark-gluon plasmatransverse expansionfreeze-out temperatureparticle spectra
spellingShingle Ivan Melo
Boris Tomasik
Temperature and Transverse Expansion of Fireballs in Pb+Pb Collisions at the LHC
Communications
heavy ion collisions
quark-gluon plasma
transverse expansion
freeze-out temperature
particle spectra
title Temperature and Transverse Expansion of Fireballs in Pb+Pb Collisions at the LHC
title_full Temperature and Transverse Expansion of Fireballs in Pb+Pb Collisions at the LHC
title_fullStr Temperature and Transverse Expansion of Fireballs in Pb+Pb Collisions at the LHC
title_full_unstemmed Temperature and Transverse Expansion of Fireballs in Pb+Pb Collisions at the LHC
title_short Temperature and Transverse Expansion of Fireballs in Pb+Pb Collisions at the LHC
title_sort temperature and transverse expansion of fireballs in pb pb collisions at the lhc
topic heavy ion collisions
quark-gluon plasma
transverse expansion
freeze-out temperature
particle spectra
url https://komunikacie.uniza.sk/artkey/csl-201401-0010_temperature-and-transverse-expansion-of-fireballs-in-pb-pb-collisions-at-the-lhc.php
work_keys_str_mv AT ivanmelo temperatureandtransverseexpansionoffireballsinpbpbcollisionsatthelhc
AT boristomasik temperatureandtransverseexpansionoffireballsinpbpbcollisionsatthelhc