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New Sagitta bias corrections using Full Run 2 dataset and consistent year-by-year treatment

Sagitta corrections update thanks to the work of @weitao. In particular the current update contains a uniform treatment of the sagitta correction for 2015+2016, 2017 and 2018, with 4 iterations used for all years.

Results have been presented at the past MCP meetings[1,2] and corresponding files have been copied to the calibration area: /eos/atlas/atlascerngroupdisk/asg-calib/MuonMomentumCorrections/sagittaBiasDataAll_03_02_19/

The merge request contains the input name change in MuonMomentumCorrection but additional testing of the results may be needed, before giving the new prescriptions to PA groups. Cheers, Federico

Tagging @gabarone , @szambito

[1] https://indico.cern.ch/event/784521/contributions/3289290/attachments/1782451/2901009/SagittaCorrection_Jan_2019.pdf [2] https://indico.cern.ch/event/784522/contributions/3303214/attachments/1787973/2911730/sagitta_rms.pdf

Edited by Federico Sforza

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