[Rivet] CMS_2015_I1388555: boosted top 8 TeV

Andy Buckley andy.buckley at cern.ch
Fri Dec 2 16:13:45 GMT 2016


On 16/09/16 15:08, Markus Seidel wrote:
> Hi all,
>
> the new plugin CMS_2015_I1388555 in contrib implements the measurement
> of boosted top pt at 8 TeV.
>
> After upload we noticed that the plugin still includes additional parton
> level quantities and a cut on the partonic decay mode.
> This will be fixed in the next version.

Hi Markus,

I started going through this analysis to integrate it into Rivet, then 
noticed that the PseudoBoostedTop projection is missing the core 
partonic functionality that the analysis seems to rely on, i.e. most of 
its variables are never set.

As you know, we *much* prefer to focus on particle-level analyses 
(although we now have the PartonicTops projection for analyses that 
insist, as a "better than nothing" option), and I guess that's why some 
of the partonic variables have been removed? But this broken halfway 
state, where variables are filled on the basis of unset variables, isn't 
suitable to go into the official Rivet analysis collection.

You mentioned that there would be a "next version" -- any idea when? 
I've attached my cleaned-up version for integration, before I realised 
these issues, in case that is helpful. You're very welcome to ask us for 
assistance with any issues, or advice on what approaches are preferred 
in this borderline area between parton-level and particle-level analysis.

Cheers,
Andy

-- 
Dr Andy Buckley, Lecturer / Royal Society University Research Fellow
Particle Physics Expt Group, University of Glasgow
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