The production of the hypertriton nuclei View the MathML source and View the MathML source has been measured for the first time in Pb–Pb collisions at View the MathML source with the ALICE experiment at LHC. The pT-integrated View the MathML source yield in one unity of rapidity, View the MathML source in the 0–10% most central collisions, is consistent with the predictions from a statistical thermal model using the same temperature as for the light hadrons. The coalescence parameter B3 shows a dependence on the transverse momentum, similar to the B2 of deuterons and the B3 of 3He nuclei. The ratio of yields View the MathML source was measured to be S3=0.60±0.13(stat.)±0.21(syst.) in 0–10% centrality events; this value is compared to different theoretical models. The measured S3 is compatible with thermal model predictions. The measured View the MathML source lifetime, View the MathML source is in agreement within 1σ with the world average value.
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