DOE/NSF Review of U.S. ATLAS May 21-23, 2003 CSC Mechanics and Electronics Paul O’Connor Tom Muller BNL May 22, 2003

DOE/NSF Review of U.S. ATLAS May 21-23, CSCs are the forward precision muon system of ATLAS 32 four-layer chambers 2.0 < |  | < 2.7 |Z| ~ 7m, 1 < r < 2 m 4 gas gaps per chamber 31,000 channels 32 four-layer chambers 2.0 < |  | < 2.7 |Z| ~ 7m, 1 < r < 2 m 4 gas gaps per chamber 31,000 channels IP

DOE/NSF Review of U.S. ATLAS May 21-23,  Mechanics:  32 chambers  Gas system  Electronics enclosure  HV power  Electronics  On-detector:  32 x 5 = 160 sets of ASM boards  160 x 3 = 480 optical links  LV power & cooling  Calibration system  Off-detector:  16 RODs  TTC, trigger/DAQ interface  Software CSC Deliverables BNL Physics Dept. BNL Instrumentation Div. UCI Physics Dept.

DOE/NSF Review of U.S. ATLAS May 21-23, Building 832 CSC Production Facility  Lab A (main clean room) configured for: u Panel epoxy operations. u Gas Bar and Wire Fixation Bar epoxy installations. u Tooling fabrications (epoxy steps). u Wire Winding and Epoxy setting operations. u Wire Spacing and Tension Tests. u Panel Flatness Tests ( mechanical and electrical). u Chamber Assembly and Electronic Flatness Tests. u High Voltage Cable and Connector installations.

DOE/NSF Review of U.S. ATLAS May 21-23, Building 832 CSC Production Facility  Lab B ( multiple table stations ) configured for: u Connector and part preparations. u Soldering operations on Y-Y, X-X, and Y- Cover Panels u X-X Panel “later steps” u Storage of all constructed Chambers

DOE/NSF Review of U.S. ATLAS May 21-23, Panel Travelers – Part A

DOE/NSF Review of U.S. ATLAS May 21-23, Panel Travelers – Part B

DOE/NSF Review of U.S. ATLAS May 21-23, X-X Panel Curing

DOE/NSF Review of U.S. ATLAS May 21-23, Soldering Connectors

DOE/NSF Review of U.S. ATLAS May 21-23, X-X Panel Wire Winding

DOE/NSF Review of U.S. ATLAS May 21-23, Electronic Flatness Testing

DOE/NSF Review of U.S. ATLAS May 21-23, L-2 Ch. 10 Gap 4

DOE/NSF Review of U.S. ATLAS May 21-23, Faraday Cage Prototype

DOE/NSF Review of U.S. ATLAS May 21-23, CSC Panel Production Rates Tooling Capacity S-1 L-2 80

DOE/NSF Review of U.S. ATLAS May 21-23, CSC Parts LOB

DOE/NSF Review of U.S. ATLAS May 21-23, CSC Chamber Production Plan 16 S-1 L-2 34

DOE/NSF Review of U.S. ATLAS May 21-23, CSC On-detector Electronics ASM1: Preamp/shaper ASM2: Analog memory, ADC & MUX

DOE/NSF Review of U.S. ATLAS May 21-23, Off detector electronics ROD prototype GPU Crate

DOE/NSF Review of U.S. ATLAS May 21-23, Status of major deliverables  On-detector  3 custom ASICs ready for production  ASM1 board ready for production  ASM2 board  Rad-soft proto beam-tested Aug. ’02  Rad-hard proto in design  Production quantities of most components in hand  Cooling and calibration in design

DOE/NSF Review of U.S. ATLAS May 21-23, Deliverables con’t.  Off-detector  ROD, GPU  Prototypes assembled  Most functions have been exercised and tested  Design and layout seem suitable for production  Production quantities of most components on hand  Firmware development proceeds through 2003  Transition module  First proto 3Q ’02 (not full density)  Final version in design  Software in development  Beam test/system test scheduled for 8/03

DOE/NSF Review of U.S. ATLAS May 21-23, On-detector electronics production 3 BNL-designed custom ICs preamp/shaper (2560), digital mux (2560), clock buffer (160) all Agilent 0.5um CMOS prototyping & procurement through MOSIS PRR June ’03 P/S, MUX shared reticle production CK BUF – small quantity, cheapest to buy MPW overruns 2 other custom ASICs SCA, Pos. VREG tested and qualified elsewhere in ATLAS shared procurement with other ATLAS subsystems - done 4 COTS components opamp, ADC, PECL rcvr., G-link tested and qualified elsewhere in ATLAS shared procurement (opamp, ADC, PECL) with LArg – underway preamp/shaper production test fixture

DOE/NSF Review of U.S. ATLAS May 21-23, Milestones June 03Custom chips PRR & begin production Aug 03Rad-hard ASM2 proto System integration test Oct 03ASM boards PRR & begin production Custom chips in hand Nov 03CSC chamber production complete ROD PRR Early 04Assemble & test ASM boards Begin installing electronics on chambers Late 04Certify CSCs, ship to CERN

DOE/NSF Review of U.S. ATLAS May 21-23, Radiation