[Rivet] mcplots - Problem with the OPAL 2004 Rivet analysis ?

[Andy Buckley]

On 24/05/11 18:40, Hendrik Hoeth wrote:
> Thus spake Andy Buckley (andy.buckley at ed.ac.uk):
>
>> there are lots of unstable hadrons in PYTHIA which aren't found for
>> HERWIG, but the two match when you look at the PIDs of *all* the
>> particles in the GenEvent. Since that's your projection, Hendrik, can
>> you take a look at that? :P
>
> And with Herwig I assume you mean Herwig++-2.5?

Nope, the capitalised, creaking Fortran one. Yes, I know... but it's 
still used with e.g. AlpGen and people are indeed considering tuning it 
with help from Rivet. Maybe some MC archaeologist knows what feature of 
HERWIG event structure is rendering the current recipe insufficient?

Andy

-- 
Dr Andy Buckley
SUPA Advanced Research Fellow
Particle Physics Experiment Group, University of Edinburgh

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