CMS Hadron Calorimeter. Andris Skuja Lv.2 HCAL Project Manager’s Overview US CMS Annual Meeting Riverside, California May 19, 2001. System Overview. HCAL: US does all of HB and optical cables, transducers, front end and readout electronics for HO, HE and HF. HO. HB. HF. HE.
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HB- absorber is complete. It passed all QC tests and has been disassembled and shipped to CERN.
HB- wedges and scintillator crates in Bldg 186 at CERN. Scintillators will be installed into wedges in June.
Interior of vacuum vessel for superconducting magnet.
The HBs rest on the rail.
12 of 18 HB+ Wedges are complete
Cradle and tooling ready
HB+ will be complete by end of July, ahead of schedule
Cable block stabilizer
Components are the machined scintillator plates, cover plates, fiber assembly (WLS spliced to clear fiber, optical connector) pigtails
Full RBX with 19 ch RMs
RBX Interior -- HV
Electronics cardsRBX Readout Module
19 x 5.5mm
The Hybrid Photodiode
Tube Fabrication byDelft Electronic Products (Netherlands)Subcontracts:Canberra (Belgium) 22%for diodesSchott Glass (USA) 8% for fiber optic windows
Kyocera (Japan) 4%for vacuum feedthru/ceramic carrier
Light injected thru fiber
APD views reflected light
Detector Front End
Computing ServicesCMS TriDAS Architecture
Front End Readout Crate
- Level 1 Buffer
- Level 2 Concentrator
- Crate CPU
DCC Logic Board
Xilinx VirtexII XC2V1000
S-Link Source Card (optical fibre to DAQ)
3-Channel LVDS Serial Link Receiver
(6 used in final DCC)
PC-MIP PCI standard
Companion LVDS Serial Link Transmitter
(for testing only)
(FNAL - Design)USCMS Responsibility Matrix
Front End, Trig/DAQ
DCS , Voltage
Optics and Fibers
(TTU, Iowa - QP)
Base + HV Design
(FNAL - Design)