[Rivet] DressedLeptons in ZFinder

[Frank Siegert]

Thanks, this is in release-2-3-x now.

Cheers,
Frank


On 19 August 2015 at 12:23, Christian Gütschow <chris.g at cern.ch> wrote:
> Hiya,
>
>> I think it should be possible to use
>> ZFinder::getProjection("DressedLeptons") to get the DressedLeptons
>> projection which is used by the ZFinder.
>> But this is more of a workaround, since you would be relying on
>> internal details of the ZFinder implementation, namely the name under
>> which the DressedLeptons projection is registered in the ZFinder.
>
>
> sounds filthy, let's not go down that route...
>
>> It would be better to introduce a function in the ZFinder interface which
>> returns the dressed leptons directly. Do you want to send a patch
>> after you have tested that it's doing what you need?
>
>
> I've attached a modified version of the ZFinder which I've tested locally to
> make sure it does what I had in mind.
>
> Cheers,
> Chris
>
>
> On 19 August 2015 at 10:01, Frank Siegert <frank.siegert at cern.ch> wrote:
>>
>> Hi Chris,
>>
>> I think it should be possible to use
>> ZFinder::getProjection("DressedLeptons") to get the DressedLeptons
>> projection which is used by the ZFinder.
>>
>> But this is more of a workaround, since you would be relying on
>> internal details of the ZFinder implementation, namely the name under
>> which the DressedLeptons projection is registered in the ZFinder. It
>> would be better to introduce a function in the ZFinder interface which
>> returns the dressed leptons directly. Do you want to send a patch
>> after you have tested that it's doing what you need?
>>
>> Cheers,
>> Frank
>>
>>
>> On 18 August 2015 at 23:01, Christian Gütschow <chris.g at cern.ch> wrote:
>> > Hi all,
>> >
>> > just to double check I'm not missing anything here: It's currently not
>> > possible to access the list of DressedLeptons used by the ZFinder,
>> > right?
>> > What's the argument against providing this functionality?
>> >
>> > Suppose I have an event with three muons that pass a given dressed-level
>> > definition, but only two of them form a Z-boson candidate. If I was to
>> > require *exactly* two muons forming a Z candidate, then I wouldn't be
>> > able
>> > to do that using just the ZFinder.
>> >
>> > That is, the ZFinder, as far as I can tell, only returns the
>> > DressedLeptons
>> > associated with the dilepton candidates, but one couldn't tell whether
>> > or
>> > not there was some additional spurious lepton in the event that doesn't
>> > successfully pair up with the others. Unless, of course, the
>> > DressedLeptons
>> > projection was added as well, but then why use the ZFinder in this case
>> > at
>> > all?
>> >
>> > Cheers,
>> > Chris
>> >
>> >
>> > --
>> >
>> >  Dr. Christian Gütschow
>> >
>> >  TU Dresden
>> >  Institut für Kern- und Teilchenphysik
>> >  Zellescher Weg 19
>> >  01069 Dresden
>> >
>> >  > E17, Andreas-Schubert-Bau
>> >  > chris.g at cern.ch
>> >
>> >
>> > _______________________________________________
>> > Rivet mailing list
>> > Rivet at projects.hepforge.org
>> > https://www.hepforge.org/lists/listinfo/rivet
>
>
>
>
> --
>
>  Dr. Christian Gütschow
>
>  TU Dresden
>  Institut für Kern- und Teilchenphysik
>  Zellescher Weg 19
>  01069 Dresden
>
>  > E17, Andreas-Schubert-Bau
>  > chris.g at cern.ch
>