Addressing the hypertriton lifetime puzzle with ALICE at the LHC
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The ALICE Collaboration collected a large data sample of Pb-Pb collisions at√sNN=5.02 TeV in 2015 at the LargeHadron Collider (LHC) and the excellent particle identification (PID) capabilities allow for the detection of rarelyproduced (anti-)hypernuclei. In particular, the (anti-)hypertriton,3ΛH, which is a bound state of a proton, a neutron andaΛ, is the lightest known hypernucleus.The results on the3ΛH production are compared with the predictions from a model based on coalescence approachand from statistical-thermal models to investigate the production mechanisms in heavy-ion collisions. Emphasis willalso be put on the latest and more precise determination of the3ΛH lifetime.
CitationTrogolo, Acharya, Acosta, Adamová, Adolfsson, Aggarwal et al. Addressing the hypertriton lifetime puzzle with ALICE at the LHC. Nuclear Physics A. 2019;982:815-818
Copyright 2018 Published by Elsevier