Search for Disoriented Chiral Condensates in 158 AGeV Pb+Pb(20)
发布时间:2021-06-05
发布时间:2021-06-05
The restoration of chiral symmetry and its subsequent breaking through a phase transition has been predicted to create regions of Disoriented Chiral Condensates (DCC). This phenomenon has been predicted to cause anomalous fluctuations in the relative produ
DCCs / Central Event
1-110101010
10
10-2-3-4-5-6
ζ(%)Fig.6.90%C.LupperlimitonDCCproductionpercentraleventasafunctionofthefractionofDCCpionsundertwoassumptions.ThethicklinegivestheupperlimitobtainedbyassumingtheσDZinSZiscompletelygivenbytheVENUScalculationrequiringtomakeacutat6σ.ThedashedlineshowsalessconservativelimitobtainedbyusingtheσDZmeasuredinthedataitself.Thisallowsustomake
atightercutat5σ,increasingtheDCCdetectione ciency.
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