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ITS TGeo geometry Status and challenges

ITS TGeo geometry Status and challenges. By Bjørn S. Nilsen The Ohio State University. http://www.to.infn.it/~tosello/EngMeet/ITSdraw/ http://www.to.infn.it/~tosello/EngMeet/EngMeet.html. Contents. Status of Central Barrel SPD SDD SSD Thermal shields Status of RB24 & RB26 side

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ITS TGeo geometry Status and challenges

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  1. ITS TGeo geometryStatus and challenges By Bjørn S. Nilsen The Ohio State University

  2. http://www.to.infn.it/~tosello/EngMeet/ITSdraw/ http://www.to.infn.it/~tosello/EngMeet/EngMeet.html Contents • Status of Central Barrel • SPD • SDD • SSD • Thermal shields • Status of RB24 & RB26 side • Support cones • Cables, cooling tubes, and ducts • Patch panels, cable trays, and Shoe boxes • ITSAMS system • Material Definitions • Service code • Step manager • Module decoding routines • Simplified geometry for fast display

  3. Central Barrel Requirements/Rules • Sensitive volume must have thin direction in Direction • Z direction || to ALICE Global Z direction • Must follow ALICE naming and numbering conventions • Sensitive volume name ITS1, ITS2, ITS3, ITS4, ITS5, & ITS6. • Note, layer, Ladder, and Detector numbering schema not allowed (does not follow ALICE standards). • Follow hardware conventions when ever possible • Avoid inversion • Use measured positions when known • Make Detectors repositionable independent of other non-sensitive objects • Make volume/object names meaningful • Note, location of non-sensitive material known to about 1mm absolute only.

  4. SPD Central Barrel http://alice.pd.infn.it/latestdr/index.html • SPD Carbon Fiber Sector • Half staves  • Ladder • Grounding shield • Pixel detector • bump bonds • Read out chip • Kapton/Al cable • Stave end chips • Solder joints • Mounting clip  • Cooling tubes  • Thermal Shield

  5. 2 SDD ladders : SDD Central Barrel http://www.to.infn.it/~giraudo/disegni.html • Ladder  • Detector  • Sensitive volume ? • Front end  • Capacitors • Chips ? • Kapton/AL cables  • Thermal Shield  • Cooling tubes  • Ladder end electronics ? • Ladder end cables & tubes ? • Ladder Support Ring ?

  6. SSD Central Barrel http://www.to.infn.it/~tosello/EngMeet/ITSdraw/SSD/SSD_drawings.html • Ladder  • Detector  • Sensitive volume ? • Front end  • Capacitor ? • Chips ? • Cooling tube  • Kapton/Al cables  • Ladder end electronics ? • Ladder Support ring  • Thermal shield  • Al-Mylar outer shield 

  7. SPD Services details RB24 Open side Very Old Calculation

  8. Support Cone (copy needed) Kapton/Al Cables  Cable joints Cooling tubes  Cooling manifold  Cu block Soldered Cu tubes Patch Panels Connectors  Cables  Cable Trays (Guess) Cables  Shoe Boxes  Connectors Cables Electronics Support Cone Kapton/Al Cables  Cooling tube loops  Patch Panels Connectors  Cables  SPD Services RB26 Side Muon RB24 open Side • Cable Trays • Cables  • Shoe Boxes  • Connectors • Cables • Electronics

  9. Support Cone  Kapton/Al Cables  Cooling Tubes  Patch Panels  Connectors  Cables  Cable Trays (Guess) Cables  Shoe Boxes  Connectors Cables Electronics Support Cone  Kapton/Al Cables  Cooling Tubes  Patch Panels  Connectors  Cables  SDD Services http://alice-its.web.cern.ch/Alice-ITS/ RB24 Open side RB26 Muon side • Cable Trays  • Cables  • Shoe boxes  • Connectors • Cables • Electronics

  10. SSD Services http://alice-its.web.cern.ch/Alice-ITS/ RB24 Open side RB26 Muon side • Support Cone (old design) • Kapton/Al Cables  • Cooling Tubes  • Patch Panels  • Connectors  • Cables  • Cable Trays (Guess) • Cables  • Shoe Boxes  • Connectors • Cables • Electronics • Support Cone (old design) • Kapton/Al Cables  • Cooling Tubes  • Patch Panels  • Connectors  • Cables  • Cable Trays  • Cables  • Shoe boxes  • Connectors • Cables • Electronics

  11. ITSAMS/Other http://www.physics.ohio-state.edu/HIRG/ITSAMS/ • SSD cone wings  • Mirrors  • Patch panel  • Cable Tray  • Shoe Box  • TPC mounted Camera  • ITS-TPC Mounting Brackets  • FMD/T0 RB24/RB25 • Patch Panel  • Connectors  • Cables  • Cable Trays  • Cables  • Shoe Box  • Connectors  • Cables  • Electronics 

  12. Material Definitions http://www.to.infn.it/~tosello/EngMeet/ITSmat/SDD/0_SDDmat.html SDD • SPD Central • Dummy only • SDD Central • Mostly done • SSD Central • Partly done • Services • Dummy only StepManager (SDD only), Detector decoding

  13. Conclusion • Good start • Much new code still needs to be committed • Much work still to be done • SPD services a high priority for FMD and PMD background.

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