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Title: A new ATLAS muon CSC readout system with system on chip technology on ATCA platform

Journal Article · · Journal of Instrumentation
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  1. SLAC National Accelerator Lab., Stanford, CA (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States); Univ. of Athens (Greece)
  4. Chinese Univ. of Hong Kong, Hong Kong (China)
  5. Univ. of California, Irvine, CA (United States)
  6. Brookhaven National Lab. (BNL), Upton, NY (United States); National Technical Univ. of Athens, Athens (Greece)
  7. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  8. Johannes Gutenberg Univ., Mainz (Germany)
+ Show Author Affiliations

The ATLAS muon Cathode Strip Chamber (CSC) backend readout system has been upgraded during the LHC 2013-2015 shutdown to be able to handle the higher Level-1 trigger rate of 100 kHz and the higher occupancy at Run-2 luminosity. The readout design is based on the Reconfigurable Cluster Element (RCE) concept for high bandwidth generic DAQ implemented on the Advanced Telecommunication Computing Architecture (ATCA) platform. The RCE design is based on the new System on Chip XILINX ZYNQ series with a processor-centric architecture with ARM processor embedded in FPGA fabric and high speed I/O resources. Together with auxiliary memories, all of these components form a versatile DAQ building block that can host applications tapping into both software and firmware resources. The Cluster on Board (COB) ATCA carrier hosts RCE mezzanines and an embedded Fulcrum network switch to form an online DAQ processing cluster. More compact firmware solutions on the ZYNQ for high speed input and output fiberoptic links and TTC allowed the full system of 320 input links from the 32 chambers to be processed by 6 COBs in one ATCA shelf. The full system was installed in September 2014. In conclusion, we will present the RCE/COB design concept, the firmware and software processing architecture, and the experience from the intense commissioning for LHC Run 2.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1249064
Report Number(s):
SLAC-PUB-16420
Journal Information:
Journal of Instrumentation, Vol. 11, Issue 01; ISSN 1748-0221
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 3 works
Citation information provided by
Web of Science

References (4)

Cathode Strip Chambers in ATLAS: Installation, Commissioning and in Situ Performance journal June 2009
Software design of the ATLAS Muon Cathode Strip Chamber ROD journal December 2012
The Evolution of the Trigger and Data Acquisition System in the ATLAS Experiment journal June 2014
The ATLAS Level-1 Central Trigger journal December 2011

Cited By (2)

Production and Integration of the ATLAS Insertable B-Layer text January 2018
Production and Integration of the ATLAS Insertable B-Layer text January 2018

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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
electronic detector readout concepts (gas
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data acquisition concepts