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Measurement of non-prompt D -meson elliptic flow in Pb–Pb collisions at √sNN=5.02 TeV

Acharya, S. ; Basu, S. LU orcid ; Christiansen, P. LU ; Hansen, J. LU and Zurlo, N (2023) In European Physical Journal C 83(12).
Abstract
The elliptic flow (v2) of D mesons from beauty-hadron decays (non-prompt D) was measured in midcentral (30–50%) Pb–Pb collisions at a centre-of-mass energy per nucleon pair sNN=5.02 TeV with the ALICE detector at the LHC. The D mesons were reconstructed at midrapidity (| y| < 0.8) from their hadronic decay D → K -π + , in the transverse momentum interval 2 < pT< 12 GeV/c. The result indicates a positive v2 for non-prompt D mesons with a significance of 2.7 σ . The non-prompt D -meson v2 is lower than that of prompt non-strange D mesons with 3.2 σ significance in 2
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author
; ; ; and
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Bosons, Hadrons, Nitrogen compounds, Tellurium compounds, A-center, Center-of-mass energies, Centre-of-mass energies, D+ mesons, Elliptic flows, Hadronic decays, Measurements of, Mid-rapidity, Pb-Pb collisions, Transverse momenta, Uncertainty analysis
in
European Physical Journal C
volume
83
issue
12
article number
1123
publisher
Springer
external identifiers
  • scopus:85179956059
ISSN
1434-6044
DOI
10.1140/epjc/s10052-023-12259-3
language
English
LU publication?
yes
id
2282cdd9-7468-41c0-8f30-a8c8ea202e6c
date added to LUP
2024-01-17 09:03:17
date last changed
2024-01-17 09:06:37
@article{2282cdd9-7468-41c0-8f30-a8c8ea202e6c,
  abstract     = {{The elliptic flow (v2) of D mesons from beauty-hadron decays (non-prompt D) was measured in midcentral (30–50%) Pb–Pb collisions at a centre-of-mass energy per nucleon pair sNN=5.02 TeV with the ALICE detector at the LHC. The D mesons were reconstructed at midrapidity (| y| &lt; 0.8) from their hadronic decay D → K -π + , in the transverse momentum interval 2 &lt; pT&lt; 12 GeV/c. The result indicates a positive v2 for non-prompt D mesons with a significance of 2.7 σ . The non-prompt D -meson v2 is lower than that of prompt non-strange D mesons with 3.2 σ significance in 2}},
  author       = {{Acharya, S. and Basu, S. and Christiansen, P. and Hansen, J. and Zurlo, N}},
  issn         = {{1434-6044}},
  keywords     = {{Bosons; Hadrons; Nitrogen compounds; Tellurium compounds; A-center; Center-of-mass energies; Centre-of-mass energies; D+ mesons; Elliptic flows; Hadronic decays; Measurements of; Mid-rapidity; Pb-Pb collisions; Transverse momenta; Uncertainty analysis}},
  language     = {{eng}},
  number       = {{12}},
  publisher    = {{Springer}},
  series       = {{European Physical Journal C}},
  title        = {{Measurement of non-prompt D -meson elliptic flow in Pb–Pb collisions at √sNN=5.02 TeV}},
  url          = {{http://dx.doi.org/10.1140/epjc/s10052-023-12259-3}},
  doi          = {{10.1140/epjc/s10052-023-12259-3}},
  volume       = {{83}},
  year         = {{2023}},
}