The production of prompt $\rm \Lambda_{\rm c}^{+}$ baryons at midrapidity ($|y|<0.5$) was measured in central (0--10\%) and mid-central (30--50\%) Pb--Pb collisions at the center-of-mass energy per nucleon--nucleon pair $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ALICE detector. The $\rm \Lambda_{\rm c}^{+}$ production yield, the $\rm \Lambda_{\rm c}^{+} / D^0$ production ratio, and the $\rm \Lambda_{\rm c}^{+}$ nuclear modification factor $R_{\rm AA}$ are reported. The results are more precise and more differential in transverse momentum ($p_{\rm T}$) and centrality with respect to previous measurements. The $\rm \Lambda_{\rm c}^{+} / D^0$ ratio, which is enhanced with respect to the pp measurement for $4<p_{\rm T}<8$ GeV/$c$, is described by theoretical calculations that model the charm-quark transport in the quark--gluon plasma and include hadronization via both coalescence and fragmentation mechanisms.
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Transverse-momentum-differential production yields of prompt $\mathrm{\Lambda_c^+}$ in central (0--10\%) and mid-central (30--50\%) Pb--Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV.
Table 1b
Data from Figure 1, right panel
10.17182/hepdata.138404.v2/t2
The $\mathrm{\Lambda_c^+ / D^0}$ production yield ratio in central (0--10\%) and mid-central (30--50\%) Pb--Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV.
Table 2
Data from Figure 2
10.17182/hepdata.138404.v2/t3
The nuclear modification factor of prompt $\mathrm{\Lambda_c^+}$ as a function transverse momentum in central (0--10\%) and mid-central (30--50\%) Pb--Pb collisions...
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Constraining hadronization mechanisms with $\rm \Lambda_{\rm c}^{+}$/D$^0$ production ratios in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV. HEPData (collection).
https://doi.org/10.17182/hepdata.138404
or, if you prefer, a specific version of the
record:
ALICE
Collaboration
(2023).
Constraining hadronization mechanisms with $\rm \Lambda_{\rm c}^{+}$/D$^0$ production ratios in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV (Version 2). HEPData (collection).
https://doi.org/10.17182/hepdata.138404.v2
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ALICE
Collaboration
(2023).
“Table 1a” of “Constraining hadronization mechanisms with $\rm \Lambda_{\rm c}^{+}$/D$^0$ production ratios in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV” (Version 2). HEPData (dataset).
https://doi.org/10.17182/hepdata.138404.v2/t1
ALICE
Collaboration
(2023).
“Table 1b” of “Constraining hadronization mechanisms with $\rm \Lambda_{\rm c}^{+}$/D$^0$ production ratios in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV” (Version 2). HEPData (dataset).
https://doi.org/10.17182/hepdata.138404.v2/t2
ALICE
Collaboration
(2023).
“Table 2” of “Constraining hadronization mechanisms with $\rm \Lambda_{\rm c}^{+}$/D$^0$ production ratios in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV” (Version 2). HEPData (dataset).
https://doi.org/10.17182/hepdata.138404.v2/t3
When using this data, please cite the original publication:
ALICE
Collaboration
(2023).
Constraining hadronization mechanisms with $\rm \Lambda_{\rm c}^{+}$/D$^0$ production ratios in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV. Phys.Lett.B 839 (2023) 137796.
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