The New Small Wheel electronics
Journal Article
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· Journal of Instrumentation
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- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Weizmann Institute of Science, Rehovot (Israel)
- Technion-Israel Institute of Technology, Haifa (Israel)
- Horia Hulubei National Institute for Physics and Nuclear Engineering (Romania)
- National Technical University of Athens (Greece)
- Univ. of Michigan, Ann Arbor, MI (United States)
- Univ. of California, Irvine, CA (United States)
- Harvard Univ., Cambridge, MA (United States)
- Brookhaven National Laboratory (BNL), Upton, NY (United States); National Technical University of Athens (Greece)
- Dutch National Institute for Subatomic Physics (Netherlands); Univ. of Amsterdam (Netherlands)
- European Organization for Nuclear Research (CERN), Geneva (Switzerland)
- The Chinese University of Hong Kong, Ma Liu Shui, Shatin (Hong Kong)
- Transilvania University of Brasov (Romania)
- Univ. of Massachusetts, Amherst, MA (United States)
- National Centre for Scientific Research Demokritos (Greece)
- Univ. of Arizona, Tucson, AZ (United States)
- Brookhaven National Laboratory (BNL), Upton, NY (United States); National Technical University of Athens (Greece); Univ. of Michigan, Ann Arbor, MI (United States)
- Univ. of Science and Technology of China, Hefei (China)
- Academia Sinica, Taipei (Taiwan)
- University of West Attica (Greece)
- Brookhaven National Laboratory (BNL), Upton, NY (United States); University of West Attica (Greece)
- Universidad Tecnica Federico Santa Maria, Valparaiso (Chile); Univ. of Victoria, BC (Canada)
- Univ. of Hong Kong (China)
- Harvard Univ., Cambridge, MA (United States); European Organization for Nuclear Research (CERN), Geneva (Switzerland)
- National Inst. of Nuclear Physics (INFN), Rome (Italy)
- Albert-Ludwigs-Universität Freiburg (Germany)
- National Centre for Scientific Research Demokritos (Greece); European Organization for Nuclear Research (CERN), Geneva (Switzerland)
The increase in luminosity, and consequent higher backgrounds, of the LHC upgrades require improved rejection of fake tracks in the forward region of the ATLAS Muon Spectrometer. The New Small Wheel upgrade of the Muon Spectrometer aims to reduce the large background of fake triggers from track segments that don't originate from the interaction point. The New Small Wheel employs two detector technologies, the resistive strip Micromegas detectors and the “small” Thin Gap Chambers, with a total of 2.45 million electrodes to be sensed. The two technologies require the design of a complex electronics system given that it consists of two different detector technologies and is required to provide both precision readout and a fast trigger. It will operate in a high background radiation region up to about 20 kHz/cm2 at the expected HL-LHC luminosity of $$\mathcal{L}$$= 7.5 × 1034 cm-2 s-1. The architecture of the system is strongly defined by the GBTx data aggregation ASIC, the newly-introduced FELIX data router and the software based data handler of the ATLAS detector. The electronics complex of this new detector was designed and developed in the last ten years and consists of multiple radiation tolerant Application Specific Integrated Circuits, multiple front-end boards, dense boards with FPGA's and purpose-built Trigger Processor boards within the ATCA standard. The New Small Wheel has been installed in 2021 and is undergoing integration within ATLAS for LHC Run 3. It should operate through the end of Run 4 (December 2032). In this manuscript, the overall design of the New Small Wheel electronics is presented.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States); Univ. of Michigan, Ann Arbor, MI (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- SC0007859; SC0009920; SC0012704
- OSTI ID:
- 1975237
- Alternate ID(s):
- OSTI ID: 2345883
- Report Number(s):
- BNL-224441-2023-JAAM
- Journal Information:
- Journal of Instrumentation, Journal Name: Journal of Instrumentation Journal Issue: 05 Vol. 18; ISSN 1748-0221
- Publisher:
- Institute of Physics (IOP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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