Measurement of beauty-strange meson production in Pb–Pb collisions at sNN=5.02TeV via non-prompt Ds+ mesons

Acharya, S.; Adamová, D.; Adler, A.; Aglieri Rinella, G.; Agnello, M.; Agrawal, N.; Ahammed, Z.; Ahmad, S.; Ahn, S. U.; Ahuja, I.; Akindinov, A.; Al-Turany, M.; Aleksandrov, D.; Alessandro, B.; Alfanda, H. M.; Alfaro Molina, R.; Ali, B.; Ali, Y.; Alici, A.; Alizadehvandchali, N.; Alkin, A.; Alme, J.; Alocco, G.; Alt, T.; Altsybeev, I.; Anaam, M. N.; Andrei, C.; Andronic, A.; Anguelov, V.; Antinori, F.; Antonioli, P.; Anuj, C.; Apadula, N.; Aphecetche, L.; Appelshäuser, H.; Arcelli, S.; Arnaldi, R.; Arsene, I. C.; Arslandok, M.; Augustinus, A.; Averbeck, R.; Aziz, S.; Azmi, M. D.; Badalà, A.; Baek, Y. W.; Bai, X.; Bailhache, R.; Bailung, Y.; Bala, R.; Balbino, A.; Baldisseri, A.; Balis, B.; Banerjee, D.; Banoo, Z.; Barbera, R.; Barioglio, L.; Barlou, M.; Barnaföldi, G. G.; Barnby, L. S.; Barret, V.; Barreto, L.; Bartels, C.; Barth, K.; Bartsch, E.; Baruffaldi, F.; Bastid, N.; Basu, S.; Batigne, G.; Battistini, D.; Batyunya, B.; Bauri, D.; Bazo Alba, J. L.; Bearden, I. 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doi:10.1016/j.physletb.2022.137561

Measurement of beauty-strange meson production in Pb–Pb collisions at s NN =5.02 TeV via non-prompt D s + mesons

Journal Article · Tue Sep 19 00:00:00 EDT 2023 · Physics Letters. B

DOI:https://doi.org/10.1016/j.physletb.2022.137561· OSTI ID:2320355

^[1]; ; Adler, A.; ; ; ; ; ; ; ; ; ; ; ; ; ; ; Ali, Y.; ; more »

Univ. Clermont Auvergne, Clermont-Ferrand (France); Centre National de la Recherche Scientifique, Clermont-Ferrand (CNRS) (France); ALICE Collaboration. et al.

The production yields of non-prompt $${D}^{+}_{s}$$ mesons, namely $${D}^{+}_{s}$$ mesons from beauty-hadron decays, were measured for the first time as a function of the transverse momentum ($$p_T$$) at midrapidity (|$$y$$| < 0.5) in central and semi-central Pb–Pb collisions at a centre-of-mass energy per nucleon pair $$\sqrt{s{NN}}$$ = 5.02 TeV with the ALICE experiment at the LHC. The $${D}^{+}_{s}$$ mesons and their charge conjugates were reconstructed from the hadronic decay channel $${D}^{+}_{s}$$ → $φπ^+$, with $$φ$$ → K^-K⁺, in the 4 < $$p_T$$ < 36 GeV/c and 2 < $$p_T$$ < 24 GeV/ $$c$$ intervals for the 0–10% and 30–50% centrality classes, respectively. The measured yields of non-prompt $${D}^{+}_{s}$$ mesons are compared to those of prompt $${D}^{+}_{s}$$ and non-prompt $D^0$ mesons by calculating the ratios of the production yields in Pb–Pb collisions and the nuclear modification factor $$R_{AA}$$. The ratio between the $$R_{AA}$$ of non-prompt $${D}^{+}_{s}$$ prompt $${D}^{+}_{s}$$ mesons, and that between the $$R_{AA}$$ of non-prompt $${D}^{+}_{s}$$ and non-prompt $D^0$ mesons in central Pb–Pb collisions are found to be on average higher than unity in the 4 < $$p_T$$ < 12 GeV/ $$c$$ interval with a statistical significance of about 1.6σ and 1.7σ, respectively. The measured $$R_{AA}$$ ratios are compared with the predictions of theoretical models of heavy-quark transport in a hydrodynamically expanding QGP that incorporate hadronisation via quark recombination.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Contributing Organization:: ALICE Collaboration

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 2320355

Journal Information:: Physics Letters. B, Journal Name: Physics Letters. B Journal Issue: 1 Vol. 846; ISSN 0370-2693

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Measurement of prompt Ds+-meson production and azimuthal anisotropy in Pb–Pb collisions at sNN=5.02TeV

Journal Article · Wed Feb 23 19:00:00 EST 2022 · Physics Letters. B · OSTI ID:1886459

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72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1 The current record is supplemented by this collection	collection	January 2022
"Table 0" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t1 The current record is supplemented by this dataset	dataset	January 2022
"Table 9" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t10 The current record is supplemented by this dataset	dataset	January 2022
"Table 10" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t11 The current record is supplemented by this dataset	dataset	January 2022
"Table 11" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t12 The current record is supplemented by this dataset	dataset	January 2022
"Table 12" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t13 The current record is supplemented by this dataset	dataset	January 2022
"Table 1" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t2 The current record is supplemented by this dataset	dataset	January 2022
"Table 2" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t3 The current record is supplemented by this dataset	dataset	January 2022
"Table 3" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t4 The current record is supplemented by this dataset	dataset	January 2022
"Table 4" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t5 The current record is supplemented by this dataset	dataset	January 2022
"Table 5" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t6 The current record is supplemented by this dataset	dataset	January 2022
"Table 6" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t7 The current record is supplemented by this dataset	dataset	January 2022
"Table 7" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t8 The current record is supplemented by this dataset	dataset	January 2022
"Table 8" of "Measurement of beauty-strange meson production in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV via non-prompt $\mathrm{D_s}^{+}$ mesons" Collaboration, Alice https://doi.org/10.17182/hepdata.135986.v1/t9 The current record is supplemented by this dataset	dataset	January 2022

Measurement of beauty-strange meson production in Pb–Pb collisions at s NN =5.02 TeV via non-prompt D s + mesons

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