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EPJ Techniques and Instrumentation
Fig. 1 | EPJ Techniques and Instrumentation

Fig. 1

From: Selection and processing of calibration samples to measure the particle identification performance of the LHCb experiment in Run 2

Fig. 1

On the left, mass distributions of the decaying particles with the results of the fit superimposed; signal contributions are shown by the red dashed curves, and the total fit functions including background contributions are shown by the blue solid curves. On the right, the background-subtracted distributions of the calibration samples for electrons, muons, pions, kaons and protons as a function of the track pseudorapidity, η, and momentum p are shown. The colour scale units are arbitrary

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