7 th B2GM SVD Summary 19 November 2010 Markus Friedl (HEPHY Vienna)

Agenda 19 November 2010Markus Friedl (HEPHY Vienna)2 SVD Summary Please look at slides for details.

7 th BG2M SVD Mechanics 18 November 2010 Immanuel Gfall (HEPHY Vienna)

Service Ways 18 November 2010Immanuel Gfall (HEPHY Vienna)4 Ribbon Cables CAD study to show if service space is available Almost straight cable paths are possible Study shows that there is still space left SVD Mechanics

Support Assembly Built around beam pipe SVD support structure is split into halves Beam mask needs to be split as well 18 November 2010Immanuel Gfall (HEPHY Vienna)5 Beam Mask End Rings Support Cone Patch Panel Space SVD Mechanics

Cooling: CO 2 Blow System 18 November 2010Immanuel Gfall (HEPHY Vienna)6 T= 23°C P=57bar T> -20°C P=57bar T= -20°C P=20bar SVD Mechanics

SVD Readout Electronics Markus Friedl (HEPHY Vienna)

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 18 November 2010Markus Friedl (HEPHY Vienna)8

Gamma Irradiation (3-5 October 2010) Mol (Belgium) 1.25MCi (all rods) 60 Co source (  ) under water 3.4 MRad (water) per hour at peak position Performed in the middle of beam SPS (CERN) 18 November 2010Markus Friedl (HEPHY Vienna)9 SVD Readout Electronics

Parts for Irradiation 18 November 2010Markus Friedl (HEPHY Vienna)10 Origami module Micron trapezoidal module Micron baby modules Electronics 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) 18 November 2010Markus Friedl (HEPHY Vienna)11 SVD Readout Electronics

SVD Finesse Transmitter Board (FTB) (Sender Part for HSD Link) slides wacek ostrowicz Version 12 For SVD session of VII B2GM ( )

SVD Finesse Transmitter Board (FTB) (Sender Part for HSD Link) wacek ostrowicz2/6 General view – 40 sets of two boards PIXEL DAQ Giessen Box opt F E E l e c t r o n i c s TTD RJ45 #1 #81 #80 RJ45 … #2 COPPER#40 opt FRB COPPER#2 opt FRB COPPER#1 opt FRB … #1#40 FTB#80 opt FADC#80 RJ45 FTB#2 opt FADC#2 RJ45 FTB#1 opt FADC#1 RJ45 SVD electronics SVD-CONTROLLER (SVDctlr) FCRB RJ45 SVD tracker

SVD Finesse Transmitter Board (FTB) (Sender Part for HSD Link) wacek ostrowicz5/6 SVD FINESSE COPPER in Cracow Prototype - tests setup FPGA Spartan6 RJ45 OpTr DRIVERS POWER OSC 42MHz 160 pin connector ext POWER Regs handl DRIVERS Clock distrib RJ45 config FPGA Spartan6 RJ45 OpTr DRIVERS POWER OSC 42MHz 160 pin connector ext POWER Regs handl DRIVERS Clock distrib RJ45 config FTB prototype – FINESSE adapter SVD FINESSE

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

The devices under test Origami 6” module Micron Wedge moduleMicron Baby module Pitch p, n# strips p, ninterm. Strip p,np-stopThickness Origami75, , 512yes, yesatoll320 Wedge sensor50-75, , 512yes, yescombined304 Baby sensor50, , 256yes, no3 different304 First Beam Test Results 18 November 2010C. Irmler, M. Valentan (HEPHY Vienna)16

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

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

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

21 SVD material budget

22 p T =.1 to.2 GeV Cellular automaton algorithm

23

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

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) 18 November 2010Markus Friedl (HEPHY Vienna)28 SVD: Straight vs. Slanted

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. 18 November 2010Markus Friedl (HEPHY Vienna)29

18 November 2010C. Irmler, M. Valentan (HEPHY Vienna)33 First beam test results