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RPC 8 TeV

RPC 8 TeV. RPCs as “luminosity monitor”. E xploit the strong linear correlation between the RPC rate and the instantaneous luminosity : rate = a * lumi + b (1)

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RPC 8 TeV

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  1. RPC 8 TeV

  2. RPCs as “luminosity monitor” • Exploit the strong linear correlation between the RPC rate and the instantaneous luminosity:rate = a * lumi + b (1) • Fitting (1)  calibration with the 2011 HF lumi values  allows to determine the “RPC luminosity” as: RPC_lumi= (rate – b)/a (2) 5 • We can calculate the 2012 lumi with the same coefficients of the 2011 linear fit • Slope not affected by high PU, 8TeV vs. 7TeV, reduced β* , etc. • Good estimate of the 2012 luminosity

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