[Rivet] ATLAS_2014_I1306294 and comparison to data points

[Hannes Jung]

Dear Christian

thanks a lot for your reply.
Yes, but the data are the sum of electron and muon channel, as far as I can conclude 
from the paper, since it is written:
"Since the electron and muon Z boson decay channels are combined to increase 
the precision of the signal fits to data.... "

Cheers
Hannes


> On 12.04.2015, at 20:58, Christian Gütschow <chris.g at cern.ch> wrote:
> 
> Hi Hannes,
> 
> unfolded data has only been provided for the combined lepton channels, which is why the data points are the same for all three plugins. The default plugin will look for Z candidates in the electron channel. The two other plugins are just there for convenience, i.e. to allow users to specify the decay channel they want to look at.
> 
> In the data, the two lepton channels were found to be consistent with each other, so it's okay to compare their combination (i.e. the weighted average) to the individual lepton channels in MC.
> 
> Cheers,
> Chris
> 
> On 12 April 2015 at 19:18, Hannes Jung <hannes.jung at desy.de <mailto:hannes.jung at desy.de>> wrote:
> Hi Andy
> 
> thanks for your fsat reply.
> Yes, the versions for muon, electron are available, and
> one without specification, but it is the muon one...
> the data points are all the same.... the combined ones, I guess.
> 
> Thanks again
> Cheers
> hannes
> 
> > On 12.04.2015, at 19:46, Andy Buckley <andy.buckley at cern.ch <mailto:andy.buckley at cern.ch>> wrote:
> >
> > On 12/04/15 17:07, Hannes Jung wrote:
> >> Dear Rivet experts
> >>
> >> I was wondering, how the comparison of ATLAS_2014_I1306294
> >> to the data points from the measurements should be interpreted:
> >> it seems the rivet plugin either works for the electron OR muon
> >> channel, while the data points are the sum of both.
> >>
> >> Is it correct, that one cannot directly compare the result from the
> >> Rivet plugin with the data ?
> >
> > Hi Hannes, I think Gavin Hesketh (identified as the author of this
> > plugin at e.g. https://rivet.hepforge.org/analyses#ATLAS_2014_I1306294 <https://rivet.hepforge.org/analyses#ATLAS_2014_I1306294>)
> > is on the Rivet list, but I've CC'd him explicitly. Typically analysis
> > authors will know more details than the Rivet authors do... but I hope
> > that the analyses *have* all been written so that MC tuns can be
> > compared directly to the data... that's the point!
> >
> >> Why are the electron and muon channels done in separate plugins,
> >> and not added as was done in the data ?
> >
> > To me it looks like all versions are available... no?
> >
> >> PS: I am running Rivet 2.2.1
> >
> > Hurrah! ;-)
> >
> > Andy
> >
> > --
> > Dr Andy Buckley, Lecturer / Royal Society University Research Fellow
> > Particle Physics Expt Group, University of Glasgow
> 
> ***********************************************************************
> Hannes Jung
> Email: Hannes.Jung at desy.de <mailto:Hannes.Jung at desy.de>
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> ***********************************************************************
> 
> 
> 
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> 
> 
> -- 
> 
>  Dr. Christian Gütschow
> 
>  TU Dresden
>  Institut für Kern- und Teilchenphysik
>  Zellescher Weg 19
>  01069 Dresden
> 
>  > E17, Andreas-Schubert-Bau 
>  > chris.g at cern.ch <mailto:chris.g at cern.ch>
> 

***********************************************************************
Hannes Jung 
Email: Hannes.Jung at desy.de 
mobile :+49 40 8998 93741
http://www.desy.de/~jung                                  
Tel: +49 (0) 40 8998 3741         
Fax: +49 (0) 40 8994 3741
DESY, CMS 01B/02.213
Notkestr.85, 22603 Hamburg, FRG   
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