"Figure 6a (prefit yields)" of "Search for the pair production of long-lived supersymmetric partners of the tau lepton in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

The observed and predicted event yields in the eight SR bins as defined in Table 2. The signal yields expected in the maximally mixed scenario for a few representative sets of $(m_{\tilde{\tau}} [\text{GeV}], c\tau_{0} [\text{mm}])$ values are overlaid: (100, 10), (100, 50), (100, 100), (200, 10), (200, 50), (200, 100), (300, 10), (300, 50), and (300, 100). In bins where the observed yield is zero, the Garwood interval at 68% CL is shown as a positive uncertainty. The predicted yields and uncertainties are before the maximum likelihood fit to data under the background-only hypothesis, as described in Section 8.