AK15 Softdrop Mass Correction

[mcremone]

To be added.

[mcremone]

From Panda:

• how it’s applied, https://github.com/PandaPhysics/PandaAnalysis/blob/tmpnew/Flat/src/FatJetsOps.cc#L184-L201
• histograms that store the corrections, https://github.com/sidnarayanan/PandaAnalysis/blob/a9454df901702fe7bff8e3ac89d364f24e93f71d/Flat/src/HRAnalyzer.cc#L19-L22
• rootfile where histograms are saved, https://github.com/sidnarayanan/PandaAnalysis/blob/master/data/puppiCorr.root

[mcremone]

Talked with Nick, these are the same corrections that both ggHbb and boosted Z' analyses are using. They are described in HIG-19-003:

http://cms.cern.ch/iCMS/jsp/db_notes/noteInfo.jsp?cmsnoteid=CMS%20AN-2018/067 (page 20 of the v11 note)

[mcremone]

Also, minimum soft-drop mass appear to be 40 GeV for the ggHbb/boostedZ' guys

[fdolek]

I am having AttributeError while trying to get values because it is TF1, what is the method for evaluate the function in uproot

file['puppiJECcorr_gen'].values()
Traceback (most recent call last):
File "", line 1, in
AttributeError: 'TF1' object has no attribute 'values'

[areinsvo]

Are you following the example of the ad-hoc correction and using the dense_lookup from lookup_tools?

[fdolek]

I was planning to follow lookup tools, but I'm not quite there yet
because root file is not structured with TH1 as other correction but TF1
so i cannot get the value by using uproot

[fdolek]

import uproot
file = uproot.open("puppiCorr.root")
file.keys()
[b'puppiJECcorr_gen;1', b'fitGEN;1', b'puppiJECcorr_reco_0eta1v3;1', b'puppiJECcorr_reco_1v3eta2v5;1', b'fitRECO;1']
file['puppiJECcorr_gen'].values
Traceback (most recent call last):
File "", line 1, in
AttributeError: 'TF1' object has no attribute 'values'

[mcremone]

I double checked with Nick, this is the way he implements the same corrections:

https://github.com/nsmith-/coffeandbacon/blob/master/analysis/compile_corrections.py#L87-L95

eventually tf1s are functional form, we can explicitly write the equation, as he is doing.

[fdolek]

https://github.com/nsmith-/coffeandbacon/blob/15faddf5a1c66dde6b5b9118536c4afa8472424d/analysis/compile_corrections.py#L84
I was trying to export this value