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ATLAS-Muons R&D on Micromegas ( Weekly meeting) Outcome for the segmentation in 2-fold option

ATLAS-Muons R&D on Micromegas ( Weekly meeting) Outcome for the segmentation in 2-fold option. Patrick PONSOT on behalf of the scrutiny committee. 2013/07/23. s TGC dead zones?. New 3D models and drawings have been provided Updated on the 21 of July 2013 Thanks to George and Benny!

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ATLAS-Muons R&D on Micromegas ( Weekly meeting) Outcome for the segmentation in 2-fold option

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  1. ATLAS-MuonsR&D on Micromegas (Weekly meeting)Outcome for the segmentationin 2-fold option Patrick PONSOT on behalf of the scrutiny committee 2013/07/23

  2. sTGC dead zones? • New 3D models and drawings have been provided • Updated on the 21 of July 2013 • Thanks to George and Benny! • Modifications • The outer radius of the first module is increased of 10mm • The clearance between first and second modules is reduced from 10 to 4mm • The outer radius of the second module is increased of 4mm • The clearance between second and third module is reduced from 10 to 6mm • Dead zones between modules • Between first and second modules DZ1=35mm (20+4+11) • Between second and third modules DZ2=37mm (20+6+11) sTGC design is still in progress and a new version with light modifications will arrive on tomorrow (to adjust the shape of the boards) CEA-Saclay/DSM/Irfu/SIS/LCAP - Patrick PONSOT for the scrutiny committee

  3. sTGC - New dimensions? • New dimensions on drawing for large sectors + 10mm, but clearances have been decreased from 10 to 4mm and to 6mm CEA-Saclay/DSM/Irfu/SIS/LCAP - Patrick PONSOT for the scrutiny committee

  4. sTGC - New dimensions? • New dimensions on drawing for small sectors + 10mm, but clearances have been decreased from 10 to 4mm and to 6mm CEA-Saclay/DSM/Irfu/SIS/LCAP - Patrick PONSOT for the scrutiny committee

  5. Radial overlaps with 2 MM modules? • Large sector: The option 5-3 for PCBs has been chosen during the Roma meeting (MMM workshop on the 15-16th of July) • Dimensions have been adjusted to have 5mm clearance between the 2 modules 2220 1410 2042 Option 5-3 2310 660 CEA-Saclay/DSM/Irfu/SIS/LCAP - Patrick PONSOT for the scrutiny committee

  6. Radial overlaps with 2 MM modules? • Small sector: The option 5-3 for PCBs is the safer option • The X dimension can be adjusted from 1280 to 1400mm, X<=1300mm proposed by INFN to better match present construction facilities 1780 Option 6-2 too closed to sTGC dead zone 1350 X Option 5-3 is the safer option Option 4-4 too closed to sTGC dead zone 2210 460 CEA-Saclay/DSM/Irfu/SIS/LCAP - Patrick PONSOT for the scrutiny committee

  7. Radial overlaps with 2 MM modulesoption 5-3 (for PCBs) • The small and large sectors are represented on the same sketch in a vertical position Small sector Large sector sTGC MM sTGC CEA-Saclay/DSM/Irfu/SIS/LCAP - Patrick PONSOT for the scrutiny committee

  8. Radial overlaps with 2 MM modules CEA-Saclay/DSM/Irfu/SIS/LCAP - Patrick PONSOT for the scrutiny committee

  9. Radial overlaps with 2 MM modules CEA-Saclay/DSM/Irfu/SIS/LCAP - Patrick PONSOT for the scrutiny committee

  10. CONCLUSION CEA-Saclay/DSM/Irfu/SIS/LCAP - Patrick PONSOT for the scrutiny committee

  11. Thank you for your attention ! Commissariat à l’énergie atomique et aux énergies alternatives Centre de Saclay| 91191 Gif-sur-Yvette Cedex T. +33 (0)1 69 08 79 30 | F. +33 (0)1 69 08 89 47 Etablissement public à caractère industriel et commercial | RCS Paris B 775 685 019 DSM IrfuSIS/LCAP (PC N°12, Bt 123)Patrick PONSOT CEA-Saclay/DSM/Irfu/SIS/LCAP - Patrick PONSOT for the scrutiny committee

  12. Backup CEA-Saclay/DSM/Irfu/SIS/LCAP - Patrick PONSOT for the scrutiny committee

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