Wide Angle Muon System (WAMUS)
Proportional Drift Tubes (PDT)
Detectors
- 18 A-layer PDT's (1728 drift cells)
- 96 drift cells / PDT
- 192 pads / PDT
- 38 B-layer PDT's (2424 drift cells)
- 48-72 drift cells / PDT
- 38 C-layer PDT's (2616 drift cells)
- 48-72 drift cells / PDT
Front End Electronics
- 1 Control Board (CB) / PDT
- A-layer: 4 Front End Boards (FEB) / CB
- B&C-layers: 2-3 Front End Boards (FEB) / CB
- 24 drift channels / FEB (capacity)
- 48 pad channels / FEB (capacity)
- 1 Readout Controller / CB
- 1 Digital Signal Processor (DSP) / CB
- inputs:
- 3 coax cables / CB from MRC
for timing signals
- 1 twisted & flat cable / CB for control signals to and from MRC
- outputs:
- 1 coax cable / CB for Gbit/s serial link to MTC10
- 1 coax cable / CB for serial link to L2 (L2 data from DSP via HOTLink)
- 1 coax cable / CB for serial link to MRC
(L3 data from DSP via HOTLink)
- location:
- mounted on PDT
Central Muon SCintillators (CMSC)
Detectors
- A-layer
- octants 0,1,2,3,4,7: 90 channels / octant
- octants 5,6: 45 channels / octant
- B-layer (octants 5,6 only)
- CF (PDT's 115,116,135,136)
- 10 counters / PDT
- 2 phototubes / counter
- EF (PDT's 105,106,145,146)
- 8 counters / PDT
- 2 phototubes / counter
- hole counters
- 4 counters / octant
- 2 phototubes / counter
- C-layer
- octants 0,1,2,3,4,7
- 5 PDT's / octant
- 8 counters / PDT
- 2 phototubes / counter
- octants 5,6 (PDT's 205,206,245,246)
- 9 counters / PDT
- 2 phototubes / counter
Scintillator Front
End (SFE) Cards
A-layer
- octants 0,1,2,3,4,7
- 2 SFE's / octant
- 45 channels / SFE
- 48 channels / SFE capacity
- octants 5,6
- 1 SFE / octant
- 45 channels / SFE
- outputs:
- 1 cable / SFE to passive fan-out card (45 bits / cable)
- location:
- CMSC crates (trusses)
B-layer
- 2 SFE's / octant
- 40 channels / SFE
- outputs:
- 1 cable / SFE to passive fan-in card (40 bits / cable)
- location:
- CMSC crates (trusses)
C-layer
- octants 0,1,2,3,4,7
- 2 SFE's / octant
- 40 channels / SFE
- octants 5,6
- 1 SFE / octant
- 36 channels / SFE
- outputs:
- 1 cable / SFE to passive fan-in card (36-40 bits / cable)
- location:
- CMSC crates (trusses)
Scintillator Readout Controller
(SRC) card
- 1 Readout Controller (RC) / SRC
- 1 Digital Signal Processor (DSP) / SRC
- inputs:
- 3 coax cables / SRC from MRC
for timing signals
- 1 twisted & flat cable / SRC for control signals to and from MRC
- outputs:
- 1 coax cable / SRC for serial link to L2 (L2 data from DSP via HOTLink)
- 1 coax cable / SRC for serial link to MRC
(L3 data from DSP via HOTLink)
- location:
- CMSC crates (trusses)
Front End Crates
- 6 FE Crates
- 4-8 SFE / crate
- MSCET - central east top (oct 1) (4 cards)
- MSCES - central east side (oct 0,7) (8 cards)
- MSCEB - central east bottom (oct 6) (4 cards)
- MSCWT - central west top (oct 2) (4 cards)
- MSCWS - central west side (oct 3,4) (8 cards)
- MSCWB - central west bottom (oct 5) (4 cards)
- 1 SRC / crate
- 1 680xx microprocessor card / crate
- 1 SC LED pulser card / crate
- location:
- MSCET: CE truss, top, center of PDT 121
- MSCES: CE truss, 3rd level (P.S. level
- MSCEB: CE truss, level 1, under stairs
- MSCWT: CW truss, top, center of PDT 122
- MSCWS: CW truss, 3rd level (P.S. level
- MSCWB: CW truss, level 1, under stairs
created: 1996.12.06 revised: 1997.01.29
Contact: darien@fnal.gov