[Rivet] ATLAS ttbar+jets analysis

[Andy Buckley]

Hi Roman,

I've seen this analysis already and realised the issue. This is a case
where it would have been nice if we could have worked with the authors
to discuss the new projections and get them directly into the Rivet
trunk rather than need to do it retrospectively.

It would help us if you/they could provide diffs with respect to the
latest Rivet version -- have these modifications been made on top of
version 2.1.2? We need to make sure that we don't undo our own
developments when merging this. Having looked at the source of the
FromElectroweakDecay projection, it doesn't actually do what that name
suggests, so I would like to change that to match the sort of scheme
that we've used for Particle.fromDecay(), or perhaps define IsPrompt /
IsNonPrompt particle classifiers.

Getting a new Rivet out with these features and some others in time for
the BOOST conference in mid-August is high on my priority list, so I'll
be back in touch. But if you can talk with Will and Alexander (right?)
to make minimal patches (or ideally an hg branch that we can clone,
modify and merge) that we can apply, that would help a lot.

Thanks,
Andy


On 21/07/14 15:03, Roman Lysak wrote:
> 
>   Dear Rivet authors,
> 
> in ATLAS, we've got another analysis we would like to eventually get
> included into Rivet (right now, it's being validated): ttbar+jets analysis.
> However, while implementing this analysis, the authors made changes to
> some core Rivet routines (FastJet, Jet, and DressedLepton projections)
> and also added one new Projection (FromElectroweakDecay). I'm attaching
> the changes they made.
> 
> We would like to ask you, what would be the best way to proceed: whether
> you would be willing to accept any of the updates to the core routines
> or you would prefer to have everything implemented inside the analysis
> routine (in the second case, the validation/re-validation will probably
> take longer, obviously :)).
> 
> Thanks,
>   Roman
> 
> 
> 
> 
> 
> 
> 
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-- 
Dr Andy Buckley, Royal Society University Research Fellow
Particle Physics Expt Group, University of Glasgow / PH Dept, CERN