Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/103456
DC Field | Value | Language |
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dc.contributor.author | Fiolhais, M. C. N. | - |
dc.contributor.author | Gonçalo, J. R. | - |
dc.contributor.author | Veloso, F. | - |
dc.contributor.author | Wolters, H. | - |
dc.contributor.author | ATLAS Collaboration | - |
dc.date.accessioned | 2022-11-14T11:23:10Z | - |
dc.date.available | 2022-11-14T11:23:10Z | - |
dc.date.issued | 2021-09-01 | - |
dc.identifier.issn | 03702693 | pt |
dc.identifier.uri | https://hdl.handle.net/10316/103456 | - |
dc.description | 38 pages in total, author list starting page 22, 7 figures, 1 tables, published by Phys. Lett. B. All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HION-2019-58 | pt |
dc.description.abstract | Heavy-flavour hadron production provides information about the transport properties and microscopic structure of the quark-gluon plasma created in ultra-relativistic heavy-ion collisions. A measurement of the muons from semileptonic decays of charm and bottom hadrons produced in Pb+Pb and $pp$ collisions at a nucleon-nucleon centre-of-mass energy of 5.02 TeV with the ATLAS detector at the Large Hadron Collider is presented. The Pb+Pb data were collected in 2015 and 2018 with sampled integrated luminosities of $208~\mathrm{\mu b}^{-1}$ and $38~\mathrm{\mu b^{-1}}$, respectively, and $pp$ data with a sampled integrated luminosity of $1.17~\mathrm{pb}^{-1}$ were collected in 2017. Muons from heavy-flavour semileptonic decays are separated from the light-flavour hadronic background using the momentum imbalance between the inner detector and muon spectrometer measurements, and muons originating from charm and bottom decays are further separated via the muon track's transverse impact parameter. Differential yields in Pb+Pb collisions and differential cross sections in $pp$ collisions for such muons are measured as a function of muon transverse momentum from 4 GeV to 30 GeV in the absolute pseudorapidity interval $|\eta| < 2$. Nuclear modification factors for charm and bottom muons are presented as a function of muon transverse momentum in intervals of Pb+Pb collision centrality. The measured nuclear modification factors quantify a significant suppression of the yields of muons from decays of charm and bottom hadrons, with stronger effects for muons from charm hadron decays. | pt |
dc.language.iso | eng | pt |
dc.publisher | Elsevier B.V. | pt |
dc.rights | openAccess | pt |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | pt |
dc.title | Measurement of the nuclear modification factor for muons from charm and bottom hadrons in Pb+Pb collisions at 5.02 TeV with the ATLAS detector | pt |
dc.type | article | - |
degois.publication.firstPage | 137077 | pt |
degois.publication.title | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics | pt |
dc.peerreviewed | yes | pt |
dc.identifier.doi | 10.1016/j.physletb.2022.137077 | pt |
degois.publication.volume | 829 | pt |
dc.date.embargo | 2021-09-01 | * |
uc.date.periodoEmbargo | 0 | pt |
item.fulltext | Com Texto completo | - |
item.grantfulltext | open | - |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.openairetype | article | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
crisitem.author.researchunit | LIP – Laboratory of Instrumentation and Experimental Particle Physics | - |
crisitem.author.researchunit | LIP – Laboratory of Instrumentation and Experimental Particle Physics | - |
crisitem.author.researchunit | LIP – Laboratory of Instrumentation and Experimental Particle Physics | - |
crisitem.author.orcid | 0000-0002-3826-3442 | - |
crisitem.author.orcid | 0000-0002-9588-1773 | - |
Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais |
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1-s2.0-S0370269322002118-main.pdf | 1.69 MB | Adobe PDF | View/Open |
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