[Rivet] Z projection on Rivet

[Frank Siegert]

Hi all,

On 01/02/11 12:01, Frank Siegert wrote:
>> 2) for D0 Z->mm, don't add the photons; for ATLAS Z->mm and all Z->ee,
>> add the photons. I'm sure there is an easy way to code a switch here.
>> Note that for the D0 Z->mm, still need to select the photons in a 0.2
>> cone and exclude them from the jet finder.
>
> Ok, I'm starting to wonder whether we should put all of this into the
> ZFinder projection or give up having a uniform ZFinder and do all of
> this stuff "manually" in the analyses. Opinions?
>
>> The current analyses
>> (D0_2009_S8349509.cc, D0_2008_S7863608.cc) instead apply a cut on
>> jet-muon overlap, which which was not done in the data analysis.
>
> Right, thanks. That's my mistake, I didn't see the clear specification
> of particle-level cuts which don't contain the overlap cut anymore. It's
> good to have the author of these analyses checking them thoroughly :)

These two issues are fixed now in
http://projects.hepforge.org/rivet/trac/changeset/2918

 >> 1) calculate the mass after adding the photons, if the photons are
 >> going to be added (probably a tiny effect)

What about the pT and eta cuts, also after photons are added or before?

Cheers,
Frank

PS: When this is finished, I'll have to re-validate the ZFinder and 
related analyses.