[Rivet] turn off "Event beams mismatch error"

[Yang Ting Chien]

Dear Deepak,

Thanks for the prompt reply! I tried adding the option --ignore-beams when running rivet but it still did not work.

I did

rivet-buildplugin RivetJEWEL_test.so JEWEL_test.cc

and then


rivet --ignore-beams --analysis=JEWEL_test test.hepmc


and I still get something like


Event 100 (0:00:00 elapsed)

Event 200 (0:00:00 elapsed)

Event 300 (0:00:00 elapsed)

Event 400 (0:00:01 elapsed)

Event 500 (0:00:01 elapsed)

Event 600 (0:00:01 elapsed)

Event 700 (0:00:01 elapsed)

Event 800 (0:00:01 elapsed)

Event 900 (0:00:01 elapsed)

Event 1000 (0:00:01 elapsed)

Event 1100 (0:00:02 elapsed)

Event 1200 (0:00:02 elapsed)

Event 1300 (0:00:02 elapsed)

Event 1400 (0:00:02 elapsed)

Event 1500 (0:00:02 elapsed)

Event beams mismatch: [PROTON, NEUTRON] @ 5020 GeV vs. first beams [PROTON @ (2510; 0, 0, 2510) GeV, PROTON @ (2510; 0, 0, -2510) GeV] @ 5020 GeV

It looks like rivet ignores the ignore-beams option...

Thanks,
Yang-Ting

LHC Theory Initiative Fellow
MIT Center for Theoretical Physics
617-253-7194
________________________________
From: Deepak Kar [deepak.kar at cern.ch]
Sent: Tuesday, June 13, 2017 5:51 PM
To: Yang Ting Chien
Cc: rivet at projects.hepforge.org
Subject: Re: [Rivet] turn off "Event beams mismatch error"

--ignore-beams

On Tue, Jun 13, 2017 at 10:21 PM, Yang Ting Chien <ytchien at mit.edu<mailto:ytchien at mit.edu>> wrote:
Dear Rivet authors,

I am starting to use Rivet to analyze some hepmc files I generated using jewel, a heavy ion collision generator. Since protons and neutrons are both present in a heavy nuclei, I have beams of protons and neutrons present in the hepmc event file. However, rivet detects the beam mismatch and gives the following error message and exits:

Event beams mismatch: [PROTON, NEUTRON] @ 5020 GeV vs. first beams [PROTON @ (2510; 0, 0, 2510) GeV, PROTON @ (2510; 0, 0, -2510) GeV] @ 5020 GeV

I couldn't find a way to successfully ask rivet to skip this beam check. Could you help me resolve this issue? I attached an analysis I will extend to include jet substructure studies.

Thank a lot,
Yang-Ting

LHC Theory Initiative Fellow
MIT Center for Theoretical Physics
617-253-7194<tel:(617)%20253-7194>

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