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| Title: | Production of 4He and He‾4 in Pb–Pb collisions at sNN=2.76TeV at the LHC |
| Authors: | Sahoo, Raghunath |
| Issue Date: | 2018 |
| Publisher: | Elsevier B.V. |
| Citation: | Acharya, S., Adamová, D., Adolfsson, J., Aggarwal, M. M., Aglieri Rinella, G., Agnello, M., . . . Zou, S. (2018). Production of 4He and He‾4 in Pb–Pb collisions at sNN=2.76TeV at the LHC. Nuclear Physics A, 971, 1-20. doi:10.1016/j.nuclphysa.2017.12.004 |
| Abstract: | Results on the production of 4He and He‾4 nuclei in Pb–Pb collisions at sNN=2.76TeV 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/dyHe4=(0.8±0.4(stat)±0.3(syst))×10−6 and dN/dyHe‾4=(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=156MeV) as for light hadrons. The measured ratio of He‾4/4He is 1.4±0.8(stat)±0.5(syst). © 2018 |
| URI: | https://doi.org/10.1016/j.nuclphysa.2017.12.004 https://dspace.iiti.ac.in/handle/123456789/8266 |
| ISSN: | 0375-9474 |
| Type of Material: | Journal Article |
| Appears in Collections: | Department of Physics |
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