Production of 4He and 4He_ in Pb–Pb collisions at √sNN = 2.76 TeV at the LHC
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).
Main Author
Format
Articles
Research article
Published
2018
Series
Subjects
Publication in research information system
Publisher
Elsevier B.V.
The permanent address of the publication
https://urn.fi/URN:NBN:fi:jyu-201804132069Käytä tätä linkitykseen.
Review status
Peer reviewed
ISSN
0375-9474
DOI
https://doi.org/10.1016/j.nuclphysa.2017.12.004
Language
English
Published in
Nuclear Physics A
Citation
- ALICE Collaboration. (2018). Production of 4He and 4He_ in Pb–Pb collisions at √sNN = 2.76 TeV at the LHC. Nuclear Physics A, 971, 1-20. https://doi.org/10.1016/j.nuclphysa.2017.12.004
License
Copyright© 2018 Published by Elsevier B.V. This is an open access article distributed under the terms of the Creative Commons License.