Fig. 5.
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Comparison of signal region spectra. All spectra were divided (at a reference energy of 1 TeV) by a reference power-law spectrum with spectral index Γ = 2.41, corresponding to the weighted average over all signal regions. Upper limits are at 95% confidence level, and only two upper limits after the last significant (i.e. > 2σ) flux point are shown.
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