Measurement of beauty-strange meson production in Pb-Pb collisions at √sNN = 5.02 TeV via non-prompt D+s mesons
The production yields of non-prompt Ds+ mesons, namely Ds+ mesons from beauty-hadron decays, were measured for the first time as a function of the transverse momentum (pT) at midrapidity (|y|<0.5) in central and semi-central Pb-Pb collisions at a centre-of-mass energy per nucleon pair sNN=5.02TeV...
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
10 November 2023
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| In: |
Physics letters
Year: 2023, Volume: 846, Pages: 1-16 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2022.137561 |
| Online Access: | Verlag, kostenfrei, Volltext: https://doi.org/10.1016/j.physletb.2022.137561 Verlag, kostenfrei, Volltext: https://www.sciencedirect.com/science/article/pii/S0370269322006955 
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| Author Notes: | ALICE Collaboration* |
MARC
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| 245 | 1 | 0 | |a Measurement of beauty-strange meson production in Pb-Pb collisions at √sNN = 5.02 TeV via non-prompt D+s mesons |c ALICE Collaboration* |
| 246 | 3 | 0 | |a sqrt |
| 246 | 3 | 3 | |a Measurement of beauty-strange meson production in Pb-Pb collisions at square root sNN = 5.02 TeV via non-prompt D + s mesons |
| 264 | 1 | |c 10 November 2023 | |
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| 500 | |a Online verfügbar: 19. September 2023, Artikelversion: 29. September 2023 | ||
| 500 | |a Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol | ||
| 500 | |a Im Titel ist der Buchstabe "s" tiefgestellt sowie das Pluszeichen hochgestellt | ||
| 500 | |a *ALICE Collaboration: S. Acharya, V. Anguelov, A. Berdnikova, L. Bergmann, M.C. Danisch, V.J.G. Feuillard, I. Fokin, P. Glässel, M. Kroesen, Y. Pachmayer, K. Reygers, R. Schicker, G. Skorodumovs, J. Stachel, S.F. Stiefelmaier, C.A. van Veen, M.A. Völkl, B. Windelband, A. Yuncu, F. Zanone [und 1011 weitere Personen] | ||
| 500 | |a Gesehen am 04.07.2024 | ||
| 520 | |a The production yields of non-prompt Ds+ mesons, namely Ds+ mesons from beauty-hadron decays, were measured for the first time as a function of the transverse momentum (pT) at midrapidity (|y|<0.5) in central and semi-central Pb-Pb collisions at a centre-of-mass energy per nucleon pair sNN=5.02TeV with the ALICE experiment at the LHC. The Ds+ mesons and their charge conjugates were reconstructed from the hadronic decay channel Ds+→ϕπ+, with ϕ→K−K+, in the 4<pT<36GeV/c and 2<pT<24GeV/c intervals for the 0-10% and 30-50% centrality classes, respectively. The measured yields of non-prompt Ds+ mesons are compared to those of prompt Ds+ and non-prompt D0 mesons by calculating the ratios of the production yields in Pb-Pb collisions and the nuclear modification factor RAA. The ratio between the RAA of non-prompt Ds+ and prompt Ds+ mesons, and that between the RAA of non-prompt Ds+ and non-prompt D0 mesons in central Pb-Pb collisions are found to be on average higher than unity in the 4<pT<12GeV/c interval with a statistical significance of about 1.6σ and 1.7σ, respectively. The measured RAA ratios are compared with the predictions of theoretical models of heavy-quark transport in a hydrodynamically expanding QGP that incorporate hadronisation via quark recombination. | ||
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