Abstract

The almost hermetic coverage of CMS is used to measure the distribution of transverse energy as a function of pseudo-rapidity for pPb collisions at sNN=5.02 TeV. For minimum bias collisions (1/N)dET/dη reaches 23 GeV which implies an ET per participant pair comparable to that of peripheral PbPb collisions at sNN=2.76 TeV. The centrality dependence of transverse energy production has been studied using centrality measures defined in three different angular regions. There is a strong auto-correlation between (1/N)dET/dη and the η range used to define centrality for data and the EPOS-LHC and HIJING event generators. The centrality dependence of the data is much stronger for η values on the lead side than the proton side and shows significant differences from that predicted by either event generator.

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