T 1 SW status TOTEM Collaboration Meeting 7307

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T 1 SW status TOTEM Collaboration Meeting 7/3/07 Fabrizio Ferro-INFN-Ge 1

T 1 SW status TOTEM Collaboration Meeting 7/3/07 Fabrizio Ferro-INFN-Ge 1

Generalities and news • T 1 SW developed in CMSSW FW v. 1_0_1 but

Generalities and news • T 1 SW developed in CMSSW FW v. 1_0_1 but compatible with any 1_0_x • Now developing in CMSSW_1_2_3, slc 3_ia 32_gcc 323 architecture • Simulation of tests at GIF – 500000 events with in the range 645<E<680 ke. V • Digitization complete (some more implementations might be needed) • Reconstruction: in progress • Trigger patterns: in progress • Comments on SLC 4 (which is now standard for lxplus) – CMSSW_1_2_0, 1_3_0_prex, 1_4_0_pre 1 available for slc 4_ia 32_gcc 345 architecture – none for slc 4_amd 64_gcc 345 TOTEM Collaboration Meeting 7/3/07 Fabrizio Ferro-INFN-Ge 2

Data. Formats Det. Id T 1 Det. Id Geometry Forward. Common. Data Forward. Sim.

Data. Formats Det. Id T 1 Det. Id Geometry Forward. Common. Data Forward. Sim. Data T 1 SW Totem. Geometry T 1 Data Digis T 1 Digi. Santiard T 1 Digi. Vfat T 1 Digi. Wire Sim. Totem Digitization TOTEM Collaboration Meeting 7/3/07 T 1 Rec. Hit T 1 Digitizer Sim. G 4 CMS G 4 simulation Forward T 1 Raw. Data Totem. Reconstruction IORaw. Data ASCII & Bin input T 1 Raw. Data. Reader Fabrizio Ferro-INFN-Ge DQM T 1 Monitor. Digi Event. Filter T 1 Raw. To. Digi 3

Digitization • Data. Formats: T 1 Digi. Wire, T 1 Digi. Santiard, T 1

Digitization • Data. Formats: T 1 Digi. Wire, T 1 Digi. Santiard, T 1 Digi. Vfat and corresponding collections (pair of det. id’s and digi vectors) • Sim. Totem/T 1 Digitizer – Input: Sim. Hits and T 1 Geometry – Output: 2 digi collections (1 for anodes, 1 fr cathodes) – Strategy for charge production and collection for CMS-CSC code TOTEM Collaboration Meeting 7/3/07 Fabrizio Ferro-INFN-Ge 4

Digitization algorithm • Simulate clusters of primary electrons along the gap • Drift the

Digitization algorithm • Simulate clusters of primary electrons along the gap • Drift the electrons to the anodes • Estimate the charge collected on anodes • Distribute the induced charge on cathodes • Simulate electronics response • Create digis TOTEM Collaboration Meeting 7/3/07 Fabrizio Ferro-INFN-Ge 5

Reconstruction (work in progress) • Data. Formats: T 1 Rec. Hit 2 D which

Reconstruction (work in progress) • Data. Formats: T 1 Rec. Hit 2 D which inherits from Rec. Hit 2 DLocal. Pos • Totem. Reco/T 1 Rec. Hit – Input: digi collections and geometry – Reconstruct clusters (trivial for Santiard electronics) – fit all the possible combinations of the 3 measurements (u, v, w) and select results – Output: collection of reconstructed local hits TOTEM Collaboration Meeting 7/3/07 Fabrizio Ferro-INFN-Ge 6

T 1 in CMSSW: summary • • • Geometry: OK G 4 simulation: OK

T 1 in CMSSW: summary • • • Geometry: OK G 4 simulation: OK Raw data IO: OK DQM: OK Digitization: OK Reconstruction: in progress (old existing code to be ported + new code) • Trigger pattern: in progress People involved: Filippo and myself TOTEM Collaboration Meeting 7/3/07 Fabrizio Ferro-INFN-Ge 7

PS: code structure • Sim. G 4 CMS – Forward • Sim. Totem –

PS: code structure • Sim. G 4 CMS – Forward • Sim. Totem – T 1 Digitizer • Totem. Reco – T 1 Rec. Hit • Event. Filter – T 1 Raw. To. Digi. Santiard, T 1 Raw. To. Digi. Vfat, T 1 Raw. To. Digi. Wire • DQM – T 1 Monitor. Digi. TB • IORaw. Data – T 1 Raw. Data. Reader • Geometry – Forward. Common. Data, Forward. Sim. Data, Totem. Geometry • T 1 Digi. Analyzer – T 1 Digi. Reader, T 1 Digi. Trigger TOTEM Collaboration Meeting 7/3/07 Fabrizio Ferro-INFN-Ge 8