Support #24562
SCE systematic uncertainty on LEE analyses
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Description
Davio showed a rather large impact of the SCE systematics on the reconstruction numu energy spectrum:
https://microboone-docdb.fnal.gov/cgi-bin/private/RetrieveFile?docid=31245&filename=Detector%20Systematics%20Beyond%20Nu2020%20v3.pdf
In the PeLEE technote:
https://microboone-docdb.fnal.gov/cgi-bin/private/RetrieveFile?docid=27738&filename=PeLEE-TN-041120.pdf&version=10
Table 16 in page 63 summarizes the impact of different systematic effects on the Reconstructed neutrino energy in the 1eNp0π sample:
SCE is one of the dominant effects.
David made the following figure with more statistics than in the technote:
which still shows relatively large variations.
David also made detailed studies on the SCE on PeLEE analysis:
https://microboone-docdb.fnal.gov/cgi-bin/private/RetrieveFile?docid=30088&filename=SCE_DetSys_Investigation.pdf&version=1
The study was done using the same events in the CV and SCE samples. The SCE introduces a 2% bias in the energy reconstruction:
Ryan also studied many systematic effects on the numu selection. Here is the impact of SCE:
