TY - JOUR
T1 - Global baryon number conservation encoded in net-proton fluctuations measured in Pb–Pb collisions at sNN=2.76 TeV
AU - S., Acharya
AU - Adolfsson, J.
AU - Christiansen, P.
AU - Matonoha, O.
AU - Nassirpour, A.
AU - Ohlson, A.
AU - Oskarsson, A.
AU - Richert, T.
AU - Rueda, O.
AU - Silvermyr, D.
AU - Stenlund, E.
AU - N., Zurlo
AU - ALICE Collaboration
PY - 2020/8/1
Y1 - 2020/8/1
N2 - 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. © 2020 European Organization for Nuclear Research
AB - 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. © 2020 European Organization for Nuclear Research
U2 - 10.1016/j.physletb.2020.135564
DO - 10.1016/j.physletb.2020.135564
M3 - Article
SN - 0370-2693
VL - 807
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
M1 - 135564
ER -