[Rivet] ATLAS_2014_I1306294 and comparison to data points

[Christian Gütschow]

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> 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> 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)
> > 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
> 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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-- 

 Dr. Christian Gütschow

 TU Dresden
 Institut für Kern- und Teilchenphysik
 Zellescher Weg 19
 01069 Dresden

 > E17, Andreas-Schubert-Bau
 > chris.g at cern.ch
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