Figure 1: Two-particle correlation functions for 7 TeV pp (a), 2.76 TeV PbPb (b), and 5.02 TeV pPb (c) collisions. The arrow shows the long-range correlations at small Δφ.
Unexplained long-range correlations observed in pPb collisions
CMS has published its first paper on proton-lead (pPb) collisions, describing the observation of a phenomenon that was previously seen first in nucleus-nucleus collisions but also detected by CMS in proton-proton (pp) collisions. The effect is a…
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