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  • Acharya, S., et al. (author)
  • Measurement of prompt Ds+-meson production and azimuthal anisotropy in Pb–Pb collisions at sNN=5.02TeV
  • 2022
  • In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - : Elsevier BV. - 0370-2693. ; 827
  • Journal article (peer-reviewed)abstract
    • The production yield and angular anisotropy of prompt Ds+ mesons were measured as a function of transverse momentum (pT) in Pb–Pb collisions at a centre-of-mass energy per nucleon pair sNN=5.02TeV collected with the ALICE detector at the LHC. Ds+ mesons and their charge conjugates were reconstructed at midrapidity (|y|<0.5) from their hadronic decay channel Ds+→ϕπ+, with ϕ→K−K+, in the pT intervals 210GeV/c, the measured Ds+-meson nuclear modification factor RAA is consistent with the one of non-strange D mesons within uncertainties, while at lower pT a hint for a Ds+-meson RAA larger than that of non-strange D mesons is seen. The enhanced production of Ds+ relative to non-strange D mesons is also studied by comparing the pT-dependent Ds+/D0 production yield ratios in Pb–Pb and in pp collisions. The ratio measured in Pb–Pb collisions is found to be on average higher than that in pp collisions in the interval 2
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journal article (1)
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peer-reviewed (1)
Author/Editor
Silvermyr, D. (1)
Christiansen, P. (1)
Oskarsson, A. (1)
Acharya, S (1)
Basu, S (1)
Richert, T. (1)
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Matonoha, O. (1)
Nassirpour, A.F. (1)
Ohlson, A. (1)
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Lund University (1)
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Natural sciences (1)
Year
2022 (1)

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