Changes between Version 17 and Version 18 of DatabaseBasedAnalysis/Spectrum
- Timestamp:
- 12/03/19 17:07:47 (5 years ago)
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DatabaseBasedAnalysis/Spectrum
v17 v18 21 21 where \(N_\textrm{sig}\) is the number of events identified as potential gammas from the source direction ('on-source') and \(N_\textrm{bg}\) the number of gamma-like events measured 'off-source'. Note that for Simulations, \(\hat N_\textrm{bg}\) is not necessarily zero for wobble-mode observations as an event can survive the analysis for on- and off-events, if this is not protected by the analysis chain. 22 22 23 The average number of background events \(\hat N_\textrm{bg}\) is the total number of background events \( \N_\textrm{bg}\) from all off-regions times the corresponding weight \(\omega\). For five off-regions, this yields23 The average number of background events \(\hat N_\textrm{bg}\) is the total number of background events \(N_\textrm{bg}\) from all off-regions times the corresponding weight \(\omega\). For five off-regions, this yields 24 24 25 25 \[\hat N_\textrm{bg} = \frac{N_\textrm{bg}}{5}\]