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SVD Summary

SVD Summary. 7 th B2GM. SVD Summary. Agenda. Please look at slides for details. SVD Mechanics. 7 th BG2M. SVD Mechanics. Service Ways. CAD study to show if service space is available Almost straight cable paths are possible Study shows that there is still space left. Ribbon Cables.

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SVD Summary

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  1. SVD Summary Markus Friedl (HEPHY Vienna) 7th B2GM

  2. SVD Summary Agenda Please look at slides for details. Markus Friedl (HEPHY Vienna)

  3. SVD Mechanics Immanuel Gfall (HEPHY Vienna) 7th BG2M

  4. SVD Mechanics Service Ways • CAD study to show if service space is available • Almost straight cable paths are possible • Study shows that there is still space left Ribbon Cables Immanuel Gfall (HEPHY Vienna)

  5. SVD Mechanics Support Assembly • Built around beam pipe • SVD support structure is split into halves • Beam mask needs to be split as well End Rings Patch Panel Space Support Cone Beam Mask Immanuel Gfall (HEPHY Vienna)

  6. SVD Mechanics Cooling: CO2 Blow System T= -20°CP=20bar T= -20°CP=20bar T> -20°CP=57bar T= 23°CP=57bar T= -20°CP=20bar Immanuel Gfall (HEPHY Vienna)

  7. SVD Readout Electronics Markus Friedl (HEPHY Vienna)

  8. Location of FADCs & Power Supplies • At side of KLM • Accessible during running • Alternatively on top of KLM (but then locked) Ideally here 1 rack on each side (forward, backward) + power supplies Markus Friedl (HEPHY Vienna)

  9. SVD Readout Electronics Gamma Irradiation (3-5 October 2010) • SCK-CEN @ Mol (Belgium) • 1.25MCi (all rods) 60Co source () under water • 3.4 MRad (water) per hour at peak position • Performed in the middle of beam test @ SPS (CERN) Markus Friedl (HEPHY Vienna)

  10. SVD Readout Electronics Parts for Irradiation Origami module Micron baby modules Micron trapezoidal module Electronics Markus Friedl (HEPHY Vienna)

  11. SVD Readout Electronics Irradiation Summary w.r.t. Electronics • Voltage Regulator (LHC4913)  • Literature says it withstands 100MRad, confirmed to 70MRad • Perfectly fits our needs • Humidity Sensor (SHT21)  • Not radiation hard • Radiation tolerant sensors used in LHC are not available anymore (company disappeared) • CERN people try different concept with cooled mirror (condensation) and reflectivity measurement • I am afraid this will not be too bulky to install in Belle II SVD • Presently, I can only think of humidity measurements outside the radiation area (=dry air blown in and sucked out of SVD volume) Markus Friedl (HEPHY Vienna)

  12. 18.11.20106 slides SVD Finesse Transmitter Board (FTB) (Sender Part for HSD Link) Version 12 For SVD session of VII B2GM (17-20.11.2010) 18.11.2010 wacek ostrowicz

  13. COPPER#40 opt FRB COPPER#2 opt FRB FADC#1 COPPER#1 opt FADC#80 FRB opt FTB#1 opt RJ45 FTB#80 RJ45 RJ45 RJ45 TTD FADC#2 SVD-CONTROLLER (SVDctlr) #80 RJ45 … FCRB RJ45 #2 opt #1 RJ45 FTB#2 RJ45 RJ45 RJ45 #81 RJ45 SVD Finesse Transmitter Board (FTB) (Sender Part for HSD Link) General view – 40 sets of two boards PIXEL Giessen Box F E E l e c t r o n i c s SVD tracker opt opt #1 #40 DAQ SVD electronics … 18.11.2010 wacek ostrowicz 2/6

  14. RJ45 RJ45 DRIVERS DRIVERS FPGA Spartan6 FPGA Spartan6 OpTr OpTr 42MHz 42MHz 160 pin connector 160 pin connector DRIVERS DRIVERS RJ45 RJ45 config config Clock distrib Clock distrib POWER POWER OSC OSC ext POWER ext POWER Regs handl Regs handl RJ45 RJ45 SVD Finesse Transmitter Board (FTB) (Sender Part for HSD Link) Prototype - tests setup COPPER in Cracow SVD FINESSE FTB prototype – FINESSE adapter SVD FINESSE 18.11.2010 wacek ostrowicz 5/6

  15. First results of the beam testat SPS 2010 C. Irmler, M. Valentan (HEPHY Vienna)

  16. First Beam Test Results The devices under test Origami 6” module Micron Wedge module Micron Baby module 18 November 2010 C. Irmler, M. Valentan (HEPHY Vienna) 16

  17. First Beam Test Results Origami module performance Signal and SNR of Origami #2, p-side, -10 °C 18 November 2010 C. Irmler, M. Valentan (HEPHY Vienna) 17

  18. First Beam Test Results Origami Cooling • cooling of APV chip surface • used adapted APV settings for subzero cooling • coolant: water with glycol anti-freeze • best performance @ -10 deg. C Cooling 18 November 2010 C. Irmler, M. Valentan (HEPHY Vienna) 18

  19. First Beam Test Results First results, SNR • References [1] and [2] favor combined pattern • Worst option according to our measurements! [1] IEEE Transactions On Nuclear Science 45 (1998) 303-309 - Iwata et.al. - Optimal P-Stop Pattern for the N-Side Strip Isolation of Silicon Microstrip Detectors [2] IEEE Transactions On Nuclear Science 45 (1998) 401-405 - Unno et.al. - Evaluation of P-stop Structures in the N-side of N-on-N Silicon Strip Detector 18 November 2010 C. Irmler, M. Valentan (HEPHY Vienna) 19

  20. SVD material budget

  21. pT = .1 to .2 GeV Cellular automaton algorithm

  22. SVD: Straight vs. Slanted Markus Friedl (HEPHY Vienna)

  23. SVD: Straight vs. Slanted Items from Ushiroda-san’s List • Performance • See next presentation by Zbynek • Cost • Barrel needs +31 sensors ( +150k€), +310 APV25 chips & additional FADCs ( +150k€), FTBs, Copper boards,… • Total  +400k€ • Service Space, Mechanical Feasibility • No problem (see Immanuel‘s talk on mechanics) • Beam Masks • Not affected at important location (close to IP) Markus Friedl (HEPHY Vienna)

  24. How to Proceed? • 1. Let’s see Zbynek’s results • 2. Let’s start discussion • Decision may be deferred to Cracow meeting (13/14 December 2010) There was a discussion including tracking & alignment. Then the decision was taken in favor of slanted option. Markus Friedl (HEPHY Vienna)

  25. First beam test results C. Irmler, M. Valentan (HEPHY Vienna)

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