Measurement of charged-particle spectra in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC
Charged-particle spectra obtained in Pb+Pb interactions at √sNN = 2.76TeV and pp interactions at √sNN = 2.76TeV with the ATLAS detector at the LHC are presented, using data with integrated luminosities of 0.15 nb−1 and 4.2 pb−1, respectively, in a wide transverse momentum (0.5 < pT < 150 GeV)...
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Autores principales: | , , , , , , , |
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Formato: | Articulo |
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2015
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Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/79108 |
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I19-R120-10915-79108 |
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institution |
Universidad Nacional de La Plata |
institution_str |
I-19 |
repository_str |
R-120 |
collection |
SEDICI (UNLP) |
language |
Inglés |
topic |
Ciencias Exactas Física quantum chromodynamics ATLAS detector Iones Pesados |
spellingShingle |
Ciencias Exactas Física quantum chromodynamics ATLAS detector Iones Pesados Alconada Verzini, María Josefina Alonso, Francisco Anduaga, Xabier Sebastián Arduh, Francisco Anuar Dova, María Teresa Monticelli, Fernando Gabriel Wahlberg, Hernán Pablo The ATLAS Collaboration Measurement of charged-particle spectra in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC |
topic_facet |
Ciencias Exactas Física quantum chromodynamics ATLAS detector Iones Pesados |
description |
Charged-particle spectra obtained in Pb+Pb interactions at √sNN = 2.76TeV and pp interactions at √sNN = 2.76TeV with the ATLAS detector at the LHC are presented, using data with integrated luminosities of 0.15 nb−1 and 4.2 pb−1, respectively, in a wide transverse momentum (0.5 < pT < 150 GeV) and pseudorapidity (|η| < 2) range. For Pb+Pb collisions, the spectra are presented as a function of collision centrality, which is determined by the response of the forward calorimeters located on both sides of the interaction point. The nuclear modification factors RAA and RCP are presented in detail as a function of centrality, pT and η. They show a distinct pT-dependence with a pronounced minimum at about 7 GeV. Above 60 GeV, RAA is consistent with a plateau at a centralitydependent value, within the uncertainties. The value is 0.55 ± 0.01(stat.) ± 0.04(syst.) in the most central collisions. The RAA distribution is consistent with flat |η| dependence over the whole transverse momentum range in all centrality classes. |
format |
Articulo Articulo |
author |
Alconada Verzini, María Josefina Alonso, Francisco Anduaga, Xabier Sebastián Arduh, Francisco Anuar Dova, María Teresa Monticelli, Fernando Gabriel Wahlberg, Hernán Pablo The ATLAS Collaboration |
author_facet |
Alconada Verzini, María Josefina Alonso, Francisco Anduaga, Xabier Sebastián Arduh, Francisco Anuar Dova, María Teresa Monticelli, Fernando Gabriel Wahlberg, Hernán Pablo The ATLAS Collaboration |
author_sort |
Alconada Verzini, María Josefina |
title |
Measurement of charged-particle spectra in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC |
title_short |
Measurement of charged-particle spectra in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC |
title_full |
Measurement of charged-particle spectra in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC |
title_fullStr |
Measurement of charged-particle spectra in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC |
title_full_unstemmed |
Measurement of charged-particle spectra in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC |
title_sort |
measurement of charged-particle spectra in pb+pb collisions at √snn = 2.76 tev with the atlas detector at the lhc |
publishDate |
2015 |
url |
http://sedici.unlp.edu.ar/handle/10915/79108 |
work_keys_str_mv |
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Repositorios |
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