Here some of the signal(ttbargamma_410389) and its systematics samples issues/properties are described:

1.signal scale and PDF variations:

The scale and PDF variations are together in a 110 long vector. You need to know the correct index for all of them. You can verify this by yourself: In athenasetup, "checkMetaSG.py <EVNT file>" (smaller is quicker)

Or trust these numbers for scale variations:
mur=1 _ muf=1:__0
mur=1__muf=2:__77
mur=1__muf=0.5: 44
mur=2__muf=1: _
33
mur=0.5,muf=1:__22
mur=0.5,muf=0.5: 55
mur=2__muf=2:__99
mur=0.5,muf=2:__88 (not used)
mur=2__muf=0.5: 66 (not used)

-- AmartyaRej - 2018-05-17

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Topic revision: r1 - 2018-05-17 - AmartyaRej
 
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