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Gif++ CR tracker updates. G. Aielli for the RPC collaboration GIF++ meeting 11/07/2014. Delivery of the 2 chambers of the carpet. Schedule: Delivered to Roma for testing  week of 21/7 Delivered at CERN  week of 28/7. Production ongoing. X panels. Support panels. Gas Gaps. Y panels.

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Gif cr tracker updates

Gif++ CR tracker updates

G. Aielli for the RPC collaboration

GIF++ meeting 11/07/2014


Delivery of the 2 chambers of the carpet
Delivery of the 2 chambers of the carpet

Schedule:

  • Delivered to Roma for testing  week of 21/7

  • Delivered at CERN  week of 28/7


Production ongoing
Production ongoing

X panels

Support panels

Gas Gaps

Y panels


Readout system layout requirements
Readout System layout requirements

  • Ceiling tracker --> 128 channels providing digital output

    • This can be read with 1 CAEN TDC 100 ps like CAEN 1190 in TOT mode

  • Fine trackers (small dimension trackers) --> 4* 32 channels providing analog output

    • part of this will be read out with the fast digitizer board CAEN V1742 (we have just one of it)

    • the rest could be discriminated and read by another CAEN 1190 in TOT mode

  • floor tracker (64 channel + 48 channels)--> CAEN 1190 in TOT mode

  • Big carpet under the floor --> 224 channels --> 2 CAEN 1190 in TOT mode

    SUMMARY:

  • 5 CAEN 1190 in TOT mode  640 channels

  • 1 CAEN 1742  32 channels (possibly a second one)


Readout scheme standard detectors
Readout scheme: standard detectors

  • Standard Tracking trigger top quadruplet + floor singlet+ carpet:

    • Top tracher and ground tracker 50x100 cm^2 + Underground Tracker:

    • Strip  Pre-amp  FE (on chamber) discriminated single ended ECL sent over 15 m of flat cable (not more!)  receivers

NIM module based Trigger logic

Single plane Fast or

Single plane Fast or

DAQ PC

Receiver crate

Eurocard format

Trigger info

FRONT END

Single plane Fast or

Single plane Fast or

Pre-ampifpresent

< 15 m flat cables

Single end ECL signal

readout

VME TDCs

VME TDCs

(e.g. CAEN VX1190A-2eSST)

Optical fiber to control room

< 5 m


Test receivers for readout and trigger
Test receivers for readout and trigger

  • Receiver board for testing ATLAS RPCs

    • 8 x 8 input channels ECL single ended

    • 2 x 32 differential output


Backplane details
Backplane details

  • Total capacity of 1 crate 1024 channels

  • Sufficient for all the chambers

    • Available in BB5

  • 32 channel slots

  • Total OR 8 by 8 channels (pins)

  • Total OR of 32 channels (Lemo)


Readout scheme high resolution trackers
Readout scheme: high resolution trackers

  • 3 high resolution trackers: 2 on the roof 1 on the ground

    • 30x30 cm^2 with 1 cm pitch strips:

    • Strip  New-amp  analog sent over <7 m of coax cable (not more!)  VEM fast digitizer

DAQ PC

VME fast digitizer

New-amp

< 7 m coax analog signal can be longer but with more expensive cables

Optical fiber to control room


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