Issue with HGCHitsEE in DD4hep in 13_2

[srimanob]

To record the current issue reported from phase-2 DD4Hep-DDD validation. The full report can be found from SIM meeting by S. Banerjee on (7 July)

EGamma reports discrepancy in |eta| > 3. The discrepancy also seen in HGCAL. See plots attached. Looking closely, it seems we may have an issue with SimHits of HGCHitsEE in DD4hep. Their is a significant file size difference shown up in g4SimHits_HGCHitsEE collection,

• DDD: PCaloHits_g4SimHits_HGCHitsEE_SIM. 312457 73636
• DD4hep: PCaloHits_g4SimHits_HGCHitsEE_SIM. 217273 50472.4
  (single electron sample, no pu, with 2.8 < |eta| < 3.5)

Adapting Validation/HGCalValidation/test/python/runHGCHitAnalyzer_cfg.py, it can be seen clearly that we have more hits from DDD. Log file can be found in
/afs/[cern.ch/user/s/srimanob/public/ForD98DD4hep/

[cmsbuild]

A new Issue was created by @srimanob Phat Srimanobhas.

@Dr15Jones, @perrotta, @dpiparo, @rappoccio, @makortel, @smuzaffar can you please review it and eventually sign/assign? Thanks.

cms-bot commands are listed here

[makortel]

assign geometry,upgrade

[cmsbuild]

New categories assigned: geometry,upgrade

@mdhildreth,@AdrianoDee,@Dr15Jones,@srimanob,@makortel,@bsunanda,@civanch you have been requested to review this Pull request/Issue and eventually sign? Thanks

[srimanob]

Report in https://indico.cern.ch/event/1313529/
Fix: #42442, #42478

Will keep this topic opens until validation results come.