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Production of muons from heavy-flavour hadron decays in p–Pb collisions at √sNN=5.02TeV

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Production of muons from heavy-flavour hadron decays in p–Pb collisions at √sNN=5.02TeV

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Título Production of muons from heavy-flavour hadron decays in p–Pb collisions at √sNN=5.02TeV
Autor Acharya, Shreyasi
Gay Ducati, Maria Beatriz
Pereira, Luis Gustavo
Pezzi, Rafael Peretti
ALICE Collaboration
Abstract The production of muons from heavy-flavour hadron decays in p–Pb collisions at √sNN=5.02TeVwas studied for 2 <pT<16GeV/cwith the ALICE detector at the CERN LHC. The measurement was performed at forward (p-going direction) and backward (Pb-going direction) rapidity, in the ranges of rapidity in the centre-of-mass system (cms) 2.03 <ycms<3.53and −4.46 <ycms<−2.96, respectively. The production cross sections and nuclear modification factors are presented as a function of transverse momentum (pT). At forward rapidity, the nuclear modification factor is compatible with unity while at backward rapidity, in the interval 2.5 <pT<3.5GeV/c, it is above unity by more than 2σ. The ratio of the forward-to-backward production cross sections is also measured in the overlapping interval 2.96 <|ycms| <3.53and is smaller than unity by 3.7σin 2.5 <pT<3.5GeV/c. The data are described by model calculations including cold nuclear matter effects.
Contido em Physics letters. B. Amsterdam. Vol. 770 (July 2017), p. 459-472
Assunto Aceleradores de partículas
Colisao de ions pesados
Colisao proton-nucleon
Muons
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/168948
Arquivos Descrição Formato
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