Add cross section to pythia6 HepMC record

[mkirsano]

No description provided.

[cmsbuild]

A new Pull Request was created by @mkirsano for CMSSW_7_3_X.

Add cross section to pythia6 HepMC record

It involves the following packages:

GeneratorInterface/Pythia6Interface

@vciulli, @covarell, @thuer, @cmsbuild, @nclopezo, @bendavid can you please review it and eventually sign? Thanks.
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@nclopezo you are the release manager for this.
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[mkirsano]

This is needed for rivet, it reads cross section from the HepMC record.

[bendavid]

Is this already handled correctly for other generators? (In particular pythia8?)

[mkirsano]

In pythia8 - yes. The corresponding code is inside pythia8.

[bendavid]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_3_X IBs unless changes or unless it breaks tests. This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @nclopezo, @ktf, @smuzaffar

[cmsbuild]

+1
Tested at: 3b952ff
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6484/984/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_3_X IBs unless changes (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @nclopezo, @ktf, @smuzaffar

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6484/984/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_3_X IBs unless changes (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @nclopezo, @ktf, @smuzaffar

[davidlange6]

+1