[Rivet] CDF_1988_S1865951

[Anton Karneyeu]

Hi Hendrik,
thank you for investigation. Running AGILE with HepMC 2.06.03 fix this 
problem. But reveals another one with hepmc file generated by pythia8 
hepmc interface.

To reproduce, run attached scripts:
   $ ssh lxplus
   $ tar zxf bug1.tar.gz
   $ cd bug1/
   $ ./rivet-bug1.sh

Rivet will terminate with segmentation fault.

It seems, again, this is not 100% Rivet problem (as there are no 
problems running Rivet on Pythia6/AGILE hepmc files) and there is some 
issue with pythia8 hepmc interface.

Can you take a look? This will help me to debug pythia8 hepmc interface.

Regards,
Anton


16.11.2010 21:03, Hendrik Hoeth:
> Hi Anton,
>
> Thus spake Anton Karneyeu (Anton.Karneyeu at cern.ch):
>
>> something wrong with analysis CDF_1988_S1865951. It gives negative Y
>> values for pT distribution histogram. Could you take a look?
>
> thanks for that bug report. It's kind of hard to blame Rivet in this
> case, though. The AGILe installation is using an ancient HepMC version
> (2.03.11) which doesn't have cross-section information support. If you
> then run a Rivet analysis that requires the cross-section for
> normalisation then anything can happen.
>
> True, Rivet should throw an error, and I'll fix that. But you should
> consider using a more recent version of HepMC like 2.06.
>
> Cheers,
>
>     Hendrik
>
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