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eic / epic

DD4hep Geometry Description of the ePIC Experiment
https://eic.github.io/epic
GNU Lesser General Public License v3.0
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Treating ions in ddsim #355

Closed michael-pitt closed 1 year ago

michael-pitt commented 1 year ago

Is your feature request related to a problem? Please describe. MC Generators with ions at the final state (e.g. BeAGLE #92) cannot use DD4hep

Describe the solution you'd like It seems that the https://github.com/AIDASoft/DD4hep/pull/920 should solve the problem.

Describe alternatives you've considered For now, the only workaround is to change the status of the ions in the hepmc files (https://github.com/eic/eic-smear/issues/22) so that when ddsim is executed, these ions will not be handled to G4.

@wdconinc @KongTu @kkauder

wdconinc commented 1 year ago

Confirming that #920 resolves this problem on a sample file as attached. [Nevermind, I can't easily attach a file I'm accessing over ssh from my phone.] @michael-pitt this refers to collision_Q2_min_max_y_min_max_Shd3_ShdFac=1.32_Alldiff9193_Jleptdecay_numev.hepmc