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. 2013 May 15;73(5):2431. doi: 10.1140/epjc/s10052-013-2431-9

Fig. 8.

Fig. 8

The Cherenkov angular resolution (cf. Sect. 4.2), after all corrections have been applied, as a function of run number. (a) For RICH 1 and (b) for RICH 2. The period of time covered on the x-axis corresponds to about 8 months of running