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HCAL Status HCAL Status HCAL Status CMS HCAL Status Jim Freeman - PowerPoint PPT Presentation

HCAL Status HCAL Status HCAL Status CMS HCAL Status Jim Freeman Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 20, 2002 1 Outline Outline Outline Absorber Optics Status at CERN HPDs Front End Electronics


  1. HCAL Status HCAL Status HCAL Status CMS HCAL Status Jim Freeman Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 1

  2. Outline Outline Outline • Absorber • Optics • Status at CERN • HPDs • Front End Electronics • Higher Level readout • Radioactive Source Test Milestone • HF • Summer 2002 Testbeam • Longer Term Schedule Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 2

  3. HB wedge design HB wedge design HB wedge design Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 3

  4. Absorber Absorber Absorber HB- at SX5 at CERN � • 17 HB+ wedges at CERN in Building 186. (Wedge 16 being repaired) • Optics installed, QC Testing in progress Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 4

  5. HB Wedges at Bldg 186 HB Wedges at Bldg 186 HB Wedges at Bldg 186 Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 5

  6. HB- - wedge 16 Damage wedge 16 Damage HB HB- wedge 16 Damage Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 6

  7. HE + at Minsk HE + at Minsk HE + at Minsk Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 7

  8. Megatile design, top view design, top view Megatile Megatile design, top view Components are the machined scintillator plates, cover plates, fiber assembly (WLS spliced to clear fiber, optical connector) pigtails Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 8

  9. Megatile cross cross- -sectional sectional Megatile Megatile cross-sectional view view view Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 9

  10. Protvino - - Pig Tail QC Pig Tail QC Protvino Protvino - Pig Tail QC RMS of the light yield transmission is less than 5%. Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 10

  11. Megatile Manufacture Manufacture - -HE HE Megatile Megatile Manufacture -HE 10 megatiles/day at Protvino Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 11

  12. HB Megatile Production HB Megatile Production HB Megatile Production 18 megatiles per layer ( HB+ / HB-) HB- left 17 layers per wedge Scint=576 94% (1 00% / 88%) 1 2% left CMS HCAL Production 18 wedges per HB Co ver=61 2 1 00% (1 00% / 1 00%) 0% left 2 HB's Tile=573 94% (1 00% / 88%) 1 2% left week ending 09/30/01 P r e pa r e d by: T odd Ne be l 630 100% 612 tiles Scintillator "Goal" 612 594 Final Assy. "Goal" 576 Covers "Goal" 90% 551 tiles 558 Scintillator Machined 540 522 Covers Machined 504 80% 490 tiles Completed Megatiles 486 468 450 432 Total labor estimate 414 L09 Delay for 396 ~ 1.8 M$ Quartz fiber Mega tiles 378 360 342 324 306 288 270 252 234 216 198 180 162 Scheduled to be completed 144 126 end of 01. 108 90 72 54 36 18 0 week of Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 12

  13. Installation at CERN Installation at CERN Installation at CERN Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 13

  14. Optics Factory at FNAL Optics Factory at FNAL Optics Factory at FNAL • HB Optics factory in final phase. Will be finished in 2 weeks. • Reduce staffing from 13 to 5. • Factory will redirect to work on components for RBX’s, HV, LV, electronics components. Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 14

  15. HPD Delivery Schedule HPD Delivery Schedule HPD Delivery Schedule Letter of Intent received by DEP Oct 12, 01 Spare Tubes (20) Dec 20, 01 Spare Tubes (30) Mar 1, 02 HB- (72) May 12, 02 First Production HPD HE- (72) Aug 23, 02 HB+ (72) Nov 3, 02 HE+ (72) Jan 28, 03 HO (146) Jun 23, 03 So far, 20 at Minnesota. ~ on schedule Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 15

  16. HPD Anti- -Reflective Coating Reflective Coating HPD Anti HPD Anti-Reflective Coating 3 layer coating on top of HPD Diode. New Diode Structure Aluminum with no anti-reflective coating 100 nm A l A l A l kapton Bias Voltage Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 16

  17. RBX Status RBX Status RBX Status • HB RBX in production (Mississippi). Should be complete by April 02. • ODU’s for HB complete (Notre Dame) 2- 3% rms. • HE RBX in design. Design should be complete by April 02 • Production of HE RBXs late spring • HE ODUs to be built in ND factory in summer. • Design HO RBX. Build over summer • HO ODUs in fall (ND) Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 17

  18. HB RBX Assembly HB RBX Assembly HB RBX Assembly Full RBX with 19 ch RMs RBX Interior -- HV distributor and backplane Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 18

  19. Readout Module (RM) Readout Module (RM) Readout Module (RM) Overview Overview Overview 12 COAX I FIBERS In N T E 12 COAX 6 CHANNEL R H F FRONT END A ODU P C READOUT E 12 COAX D CARD B O A R D HV CABLE Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 19

  20. RBX Readout Module RBX Readout Module RBX Readout Module • The readout module (RM) integrates the HPD, front end electronics, and digital optical drivers. Optical Sorter ODU Interface HPD Mount HV Card Electronics cards Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 20

  21. ODU production at Notre ODU production at Notre ODU production at Notre Dame Dame Dame Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 21

  22. ODU QC ODU QC ODU QC Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 22

  23. FE/DAQ Readout FE/DAQ Readout FE/DAQ Readout 18 HTRs per HCAL C D H H H H H H Readout Crate LEVEL 1 DDU/FED P C T T T T T T TRIGGER U C R R R R R R 16 1600Mbit/s fiber per 1 Gbit/s HTR L1 Accept TTC CONTROL MODULE VR QIE CCA TX Shield Wall QIE FE READOUT MODULE QIE CCA QIE 1600 Mbit/s QIE CCA TX QIE HPD Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 23

  24. FE Channels FE Channels FE Channels Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 24

  25. FE Status FE Status FE Status Past 6 months • Tested proto CCA Asic – looks good • Tested proto QIE Asic • Does not run at 40MHz (easy fix) • Noise levels under study • 3000e- rms with soldered coax connections btw HPD and QIE • HB Backplane layout complete • Proto GOL (serializer) tested - OK • Gigabit Ethernet protocol • 1600 Mbits/s • Proto VCSEL and custom package tested – ok • Rad qualified “glue” logic parts Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 25

  26. CMS QIE Status CMS QIE Status CMS QIE Status Full chip submitted 3/13/01 Received 5 wafers 6/1/01 Testing shows chip fully functional • Chip does not run at 40 MHz • Noise as a function of input capacitance being studied • Noise of 3000e- rms achieved with soldered coax connections btw HPD and QIE Goal is to submit production part by April ‘02 Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 26

  27. CCA Status CCA Status CCA Status CCA submitted June 25, 2001 25 parts back Oct 11, 2001 Chips under test • Problem with reads/writes to internal registers • Problem with writes fixed with repair on chip (jumped out inverter) • Problem with reads under study • Other than reads, the CCA appears to be fully functional Engineering run chip submitted on Feb 11. Due back April 8. Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 27

  28. CCA ASIC Repair CCA ASIC Repair CCA ASIC Repair Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 28

  29. Radioactive Source Vertical Radioactive Source Vertical Radioactive Source Vertical Slice Slice Slice • Exercise a single channel of HCAL readout from scintillator to computer • Radioactive Source • Scintillator • Optical Fiber • HPD • QIE • Digital optical readout • HTR • DCC • Computer • First complete ~40Mhz readout of HCAL Channel • Successful demonstration of radioactive source measurement for calibration. Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 29

  30. QIE under test QIE under test QIE under test TTCrx Clock distributor QIE Test Board Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 30

  31. DAQ System DAQ System DAQ System Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 31

  32. Radioactive Source Test Radioactive Source Test Radioactive Source Test Response as source is removed from scintillator Shift of 180 electrons Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 32

  33. HF Status HF Status HF Status • 10 HF absorber wedges finished. 5 at CERN • Fiber ordered. First delivery to CERN • Phototubes ordered. • Expect first complete wedge (fibers, pmts) at CERN in early June 02. • Expect to test in H2 test beam this summer. Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 33

  34. First Production HF Wedge First Production HF Wedge First Production HF Wedge Simulation Workshop on CMS Calorimetry, Ooty, Feb 18 – 20, 2002 34

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