Publication: Addressing the hypertriton lifetime puzzle with ALICE at the LHC
Дата
2019
Авторы
Trogolo, S.
Acharya, S.
Acosta, F. T.
Adamova, D.
Belyaev, V.
Bogdanov, A.
Grigoriev, V.
Kaplin, V.
Kondratyeva, N.
Loginov, V.
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Аннотация
The ALICE Collaboration collected a large data sample of Pb-Pb collisions at root S-NN = 5.02 TeV in 2015 at the Large Hadron Collider (LHC) and the excellent particle identification (PID) capabilities allow for the detection of rarely produced (anti-)hypernuclei. In particular, the (anti-)hypertriton, H-3(Lambda), which is a bound state of a proton, a neutron and a A, is the lightest known hypernucleus. The results on the H-3(Lambda) production are compared with the predictions from a model based on coalescence approach and from statistical-thermal models to investigate the production mechanisms in heavy-ion collisions. Emphasis will also be put on the latest and more precise determination of the H-3(Lambda) lifetime.
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Addressing the hypertriton lifetime puzzle with ALICE at the LHC / Trogolo, S [et al.] // NUCLEAR PHYSICS A. - 2019. - 982. - P. 815-818. - 10.1016/j.nuclphysa.2018.11.016