Global baryon number conservation encoded in net- proton fluctuations measured in Pb–Pb collisions at √sNN = 2.76 TeV (CROSBI ID 286778)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Acharya, S. ; ... ; Antičić, Tome ; ... ; Erhardt, Filip ; ... ; Gotovac, Sven ; ... ; Jerčić, Marko ; ... ; Lončar, Petra ; ... ; Mudnić, Eugen ; ... ; Planinić, Mirko ; ... ; Poljak, Nikola ; ... ; Simatović, Goran ; ... ; Utrobičić, Antonija ; ... ; Vicković, Linda ; ... ; Zurlo, N.
ALICE Collaboration
engleski
Global baryon number conservation encoded in net- proton fluctuations measured in Pb–Pb collisions at √sNN = 2.76 TeV
Experimental results are presented on event-by- event net-proton fluctuation measurements in Pb–Pb collisions at √sNN = 2.76 TeV, recorded by the ALICE detector at the CERN LHC. These measurements have as their ultimate goal an experimental test of Lattice QCD (LQCD) predictions on second and higher order cumulants of net-baryon distributions to search for critical behavior near the QCD phase boundary. Before confronting them with LQCD predictions, account has to be taken of correlations stemming from baryon number conservation as well as fluctuations of participating nucleons. Both effects influence the experimental measurements and are usually not considered in theoretical calculations. For the first time, it is shown that event-by-event baryon number conservation leads to subtle long-range correlations arising from very early interactions in the collisions.
global baryon number conservation ; Pb–Pb collisions
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Podaci o izdanju
807
2020.
135564
10
objavljeno
0370-2693
1873-2445
10.1016/j.physletb.2020.135564
Povezanost rada
Fizika
