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New DsK fit model and changes for Lb2Dsp analysis

Jordy Butter requested to merge dev-Dsh-Jordy into master

This MR implements a few things. Most importantly it contains changes to run the nominal DsK invariant mass fit.

Bs2DsK analysis:

  • Constrain Bd->DsK (group 1) by sharing the fraction of signal g1_fsig among the subsamples
  • Output LaTeX table with results after MDFit, optionally
  • New DsK model in the MDFitter for sWeights: combining background PDF and yield to have only the two components background and signal.

Lb2Dsp analysis:

  • Updated various config files. @adudziak, you probably have more up-to-date ones. Feel free to overwrite what is more up-to-date.
  • Config files for misID yield Bs2DsPi and Bd2DPi in the Lb2LcPi fit.
  • Lb2LcPi fit nominal config file updated

Both:

  • Fixed a bug in GeneleralUtils.GetDataSet_weighted(). Full details can be found here

Note: in one of the comment the message is mentions the asymptotically correct description of the sWeights. This is not true, and I mean the combined background PDF when getting the sWeights.

Edited by Jordy Butter

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