Production of 4He and 4He in Pb–Pb collisions at √sNN = 2.76 TeV at the LHC.
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Abstract
Results on the production of 4He and 4He nuclei in Pb–Pb collisions at √sNN = 2.76 TeV in the rapidity range | y |< 1, using the ALICE detector, are presented in this paper. The rapidity densities corresponding to 0–10% central events are found to be dN/dy4He = (0.8 ± 0.4 (stat) ± 0.3 (syst)) × 10−6 and dN/dy4He = (1.1 ± 0.4 (stat) ± 0.2 (syst)) × 10−6, respectively. This is in agreement with the statistical thermal model expectation assuming the same chemical freeze-out temperature (Tchem = 156 MeV) as for light hadrons. The measured ratio of 4He/4He is 1.4 ± 0.8 (stat) ± 0.5 (syst).Citation
ALICE Collaboration (2017) 'Production of 4He and 4He in Pb–Pb collisions at √sNN = 2.76 TeV at the LHC.', Nuclear Physics A, Vol. 971, pp. 1-20Publisher
ElsevierJournal
Nuclear Physics ADOI
10.1016/j.nuclphysa.2017.12.004Additional Links
https://doi.org/10.1016/j.nuclphysa.2017.12.004Type
ArticleLanguage
enISSN
03759474ae974a485f413a2113503eed53cd6c53
10.1016/j.nuclphysa.2017.12.004