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. 2021 May 11;97(5):211–235. doi: 10.2183/pjab.97.013

Figure 16.

Figure 16.

(Color online) Reconstructed invariant mass distribution of opposite-sign muon pairs. The events were selected in the first data sample at s=7 TeV taken in 2010 corresponding to the integrated luminosity of 1.5 pb−1.