Minutes of the Strasbourg-Brussels meeting July, the 10 th 2014.

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Presentation transcript:

Minutes of the Strasbourg-Brussels meeting July, the 10 th 2014

Part 1: production status

Gridpack IIHE Lobster has been updated to work on IIHE. Step 1: exlusive mode + no masses recipe seem to run properly  Gridpacks are mainly produced (samples with 4 extra jets still running) Step 2 : generation of LHE files faces issues. Certainly related to cluster problem. To be confirmed.  To do:  validating step 1, 2 and 3 at IIHE.  Validating ME/PS merging configuration by generating the devoted plots. BSM ttbar IIHE: not started yet but soon. Big priority (taking profit from Adam's experience) Higgs IIHE: not started Strasbourg with ttZ and ttZZ [Adam] : length of the job  Greg will take care of these processes. PS: Adam found a bug in Lobster and fixed it (number of cores) Lorenzo would like to compute again the cross-section for signal single-top samples.

Coordination of the production : How many events a process? Eric will send a proposal by . Duplication of the gridpacks at Strasbourg and Brussels. Maintaining the wiki. Starting BSM ttbar and Higgs samples Tae Jeong should work on tZh sample? (doubts) Need to clarify this point. Production experts must be available now. They could care of a postponed task: processes involving photon seems to be the priority [Adam?]. Tae Jeong's expertise is welcome.  New GANT chart required ???

Part 2: Delphes status

Caroline's talk : new b-tagging functionalities b-tag (mis)identification is performed during the analysis. New parameterization of the efficiency is implemented. Eric is working on a AnalysisHelper class for providing common tools: Origin of leptons Parton – jet matching Caroline's b-tagging functions  To do: finishing this class Eric requests a reminder of Delphes issues : Jet energy scale (JES) : jets are more energetic than initial partons [Lorenzo] Similar(?) problem with jets interpreted as an electron [Jeremy] Isolation too perfect [Isis/Shima]  To do: investigating these points  To do: proposing tracks and possible solutions for next meeting Isabelle and Isis are still working on pile-up in Delphes