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SVX-II

Explore the design goals of SVX-II detector including rad-hard and trigger-able features. Learn about its construction through a detailed photo tour showcasing the precision alignment and key components.

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SVX-II

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Presentation Transcript

  1. SVX-II David Stuart, UC Santa Barbara May 11, 2006

  2. Outline • Why • What • How Many details in following talks, so I’ll just review the design goals and then give a tour of the detector and its construction.

  3. Design goals • 132 ns • Rad-hard • Longer • Double-sided • Trigger-able The first 2 were required (well thought to be, vs 396 ns). The rest were desired. The last was critical for Bs mixing, and it drove the design.

  4. SVT requirements • Wedge geometry

  5. SVT requirements • Wedge geometry • Precision alignment during construction • r and z

  6. SVT requirements • Wedge geometry • Precision alignment during construction • r and z • Fast, deadtime-less readout • See Ankush’s SVX3D talk Now, I’ll describe the detector with a photo tour.

  7. Bulkheads for mounting and cooling

  8. Layer 1 Quarter Ladder SVXII Ladders Thermal bridge Mounting tab BeO Hybrid glued to silicon HDI, with LV boost wires Finger and jumper on next page

  9. Fingers

  10. Jumper bus to z-side

  11. Reason for calling them ladders Note folded cables

  12. Assembled into barrels

  13. Spacers to allow lid to close over cables

  14. Ready to slide into ISL

  15. …after some packaging

  16. Recall Design goals • 132 ns • Rad-hard • Longer • Double-sided • Trigger-able

  17. Recall Design goals • 132 ns  ? • Rad-hard  • Longer • Double-sided • Trigger-able

  18. Recall Design goals • 132 ns  ? • Rad-hard  • Longer ~ • Double-sided • Trigger-able

  19. Recall Design goals • 132 ns  ? • Rad-hard  • Longer ~ • Double-sided ~ • Trigger-able

  20. Recall Design goals • 132 ns  ? • Rad-hard  • Longer ~ • Double-sided ~ • Trigger-able  ! !

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