USSTF Status and Plans for the TP Release Frank Chlebana and David Lange Aug 9, 2013 Frank Chlebana UPO Meeting, Aug 9 2013 1
TP Configurations Goal is to have the TP release available by Jan 2014 which can be used for Phase II physics studies Need to define a manageable set of configurations with well defined geometry Will need to change the EE + HE segmentation (configuration 2) Once PF is working, will still need to validate and tune the reconstruction for new configurations and high pileup Need active participation of POGs Developers were contacted to get a better idea of the effort needed to go from discussion to implementation… Frank Chlebana UPO Meeting, Aug 9 2013 2
TP Release – Configuration 1 Configuration 1 (Replace EE and retrofit HE) Phase 2 tracker (BarrelEndcap 5 Disks) geometry Extended Tracker ( η ~ 4) EE Shashlik with current EE segmentation HCAL depth segmentation Retrofitted HE with Phase I segmentation (8 fingers summed together) Track reconstruction for BarrelEndcap 5 Disks (0 and 140 PU) reconstruction Track reconstruction for extended tracker (0 and 140 PU) PF working with HCAL depth segmentation PF working with extended tracker (0 PU) PF working for high pileup (140 PU, extended tracker + HCAL depth) Once PF is working we will still need to tune object reconstruction and physics analysis selection Need to have POG validate and retune reconstruction for extended We do not have PF clusters in HF and would only extend PF clustering up to the edge of the current endcap ( η ~ 3) Frank Chlebana UPO Meeting, Aug 9 2013 3
TP Release – Configuration 2 Can we use Delphes to explore Configuration 2 (Replace EndCap) increased physics potential for Phase 2 tracker (BE5) + extended tracker this configuration EndCap extended ( η ~ 4) Option a) EE Shashlik, EE + HE using phase 1 segmentation Extend EE + HE towers to higher eta using similar segmentation Option b) EE Shashlik, EE + HE using optimized segmentation PF working with new EndCap segmentation (0, 140 PU) Once PF is working we will still need to tune object reconstruction and physics analysis selection Need to have POGs validate and retune reconstruction for extended coverage We do not have PF clusters in HF and would extend PF clustering up to the edge of the extended EndCap ( η ~ 4) Frank Chlebana UPO Meeting, Aug 9 2013 4
Issue with Extended Calorimeter Volumes How accurate will FullSim be? Is Delphes good enough? Need to be careful how to treat shielding and support material when new geometries are added… Frank Chlebana UPO Meeting, Aug 9 2013 5
TP Release – New Detector Concepts Will need new effort to develop simulation and reconstruction for any new detector concept Need to organize teams centered around the groups advocating the technology to develop the simulation 1) Dual Readout Calorimeter 2) Particle Flow Calorimeter Need to demonstrate functionality for the high PU Unlikely to have fully functional simulation, reconstruction, and physics analysis with new detector concepts by Jan 2014… Should still be able to demonstrate expected functionality and performance improvements Frank Chlebana UPO Meeting, Aug 9 2013 6
Timeline for TP Release (Configuration 1) Geometry 612_SLHC5 HCAL Phase 1 (depth segmentation, SiPM, timing) 612_SLHC6 Phase 2 tracker (BarrelEndcap 5 Disks) Oct Extended tracker ? EE shashlik (current EE segmentation) Reconstruction Nov Track reconstruction with Phase 2 tracker (0, 140PU) ? Track reconstruction with extended tracker (0, 140PU) * Mid Sept PF using extended tracker + current HCAL (0 PU) Oct PF using HCAL depth segmentation (0 PU) * Dec PF using extended tracker + current HCAL (140 PU) Jan 2014 PF for configuration 1 with high 140 PU Validation/tuning End of Jan? POG validation * Development being done in FastSim Frank Chlebana UPO Meeting, Aug 9 2013 7
Some Comments/Issues PF can handle different geometry but… Changing geometry will require changing the data format, debugging, updating reconstruction, and may break other parts of the reconstruction Changing EE segmentation and keeping HE as is (retrofit) will break the projective geometry 5x5 EE (CaloTowers) 19 mm 5x5 Frank Chlebana UPO Meeting, Aug 9 2013 8
Some Comments/Issues Core PF developments need to be propagated in the POGs, POGs should be involved in intermediate steps Many POGs use additional layer of calibrations, MVA selection/regressions need to allocate additional time to retune Can deliver technical functionality on the required timescale but performance tuning will need much longer time Cannot use the current reconstruction which was optimized for current pileup conditions out of the box. Will need POGs to tune reconstruction for high PU Will need to involve all POGs (JetMET, e/gamma…) Frank Chlebana UPO Meeting, Aug 9 2013 9
Algorithm Tuning Christopher Hayes (receiver operating characteristic) 2012 MC Signal Eff Isolation variables need to tuned for 14 TeV 140 PU 140 PU Background Eff Frank Chlebana UPO Meeting, Aug 9 2013 10
Delphes Studies Sylvie Braibant Study the physics gain from extended muon coverage Frank Chlebana UPO Meeting, Aug 9 2013 11
Delphes Studies Sylvie Braibant Starting to use Delphes to quantify the physics improvements Frank Chlebana UPO Meeting, Aug 9 2013 12
Production 2017 scenario Gaelle Boudoul Samples at PU=140 • https://cmsweb.cern.ch/das/request?view=list&limit=100 &instance=cms_dbs_prod_global&input=dataset+dataset %3D*Summer13-UpgradePhase1*PU140* Samples at PU =70 • https://cmsweb.cern.ch/das/request?view=list&limit=100 &instance=cms_dbs_prod_global&input=dataset+dataset %3D*Summer13-UpgradePhase1*PU70* Samples at PU=0 • https://cmsweb.cern.ch/das/request?view=list&limit=100 &instance=cms_dbs_prod_global&input=dataset+dataset %3D*Summer13-UpgradePhase1*NoPileUp* Need feedback on the samples… Frank Chlebana UPO Meeting, Aug 9 2013 13
Summary What can be achieved by Jan 2014 Develop FullSim simulation + reconstruction for configuration 1 Keeping current segmentation POGs will have to validate tune reconstruction Able to do full physics studies Changing the segmentation in FullSim requires additional validation and development Use Delphes to explore increased physics capabilities for extended calorimeter coverage (configuration 2) Form teams to develop the simulation + reconstruction for new detector concepts Demonstrate expected functionality and performance improvements Frank Chlebana UPO Meeting, Aug 9 2013 14
Recommend
More recommend
