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[en] Recently ALICE Collaboration reported enhancement of yield ratio of multi-strange hadrons to charged pions as a function of multiplicity at mid-rapidity in proton-proton (p+p), proton-lead (p+Pb), and lead-lead (Pb+Pb) collisions at the LHC. Motivated by these results, we have developed the dynamical core-corona initialization framework which enables us to describe p+p and p+Pb collisions as well as Pb+Pb, and we investigate whether the quark gluon plasma (QGP) is created in small colliding systems by analyzing various hadron yields and their ratios systematically. We find that our results reproduce tendencies of the ALICE data especially for multi-strange hadrons. These results indicate that the QGP is partly formed in high multiplicity events in small colliding systems. (author)
Source
Dote, Akinobu; Morimatsu, Osamu (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki (Japan)) (eds.); Goto, Yuji (ed.) (RIKEN, Wako, Saitama (Japan)) (and others); [780 p.]; ISBN 978-4-89027-136-8; 
; 2019; p. 031021.1-031021.4; QNP2018: 8. international conference on quarks and nuclear physics; Tsukuba, Ibaraki (Japan); 13-17 Nov 2018; Available from https://doi.org/10.7566/JPSCP.26.031021; 18 refs., 2 figs.
; 2019; p. 031021.1-031021.4; QNP2018: 8. international conference on quarks and nuclear physics; Tsukuba, Ibaraki (Japan); 13-17 Nov 2018; Available from https://doi.org/10.7566/JPSCP.26.031021; 18 refs., 2 figs.