[Rivet] mcplots

[Peter Skands]

Thanks for the feedback, will definitely pass it to Torbjorn!

On 6/1/11 12:39 PM, Andy Buckley wrote:
> On 01/06/11 12:35, Hendrik Hoeth wrote:
>> Thus spake Andy Buckley (andy.buckley at ed.ac.uk):
>>
>>> As you've noted, for plots which are just normal or profile
>>> histograms (and in the normal case you don't care about
>>> normalisation), then you can get adequate (but inexact) statistical
>>> merging by adding/averaging the bin values in each histo across your
>>> different runs...
>>
>> And for the profile histos in e.g. the CDF leading jet UE analysis you
>> can slice the histograms easily using rivet-mergeruns. That's what I
>> always do for them.
>
> For PYTHIA, I use the MSTP(142)=1 (IIRC) setting to generate these
> profiles weighted... that greatly reduces the number of required events.
> I still use about 1M or so, though... and should maybe use more. It
> would be *really* nice to have that pThat enhancement / weighting in
> Pythia 8... the other C++ generators already have it.
>
> Andy
>