A5105646091- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Particle Detector Development and Performance
- Quantum Chromodynamics and Particle Interactions
- Dark Matter and Cosmic Phenomena
- Computational Physics and Python Applications
- Neutrino Physics Research
- Distributed and Parallel Computing Systems
- Cosmology and Gravitation Theories
- Radiation Detection and Scintillator Technologies
- Medical Imaging Techniques and Applications
- Advanced Data Storage Technologies
- Astrophysics and Cosmic Phenomena
- advanced mathematical theories
- Particle Accelerators and Free-Electron Lasers
- Parallel Computing and Optimization Techniques
- Muon and positron interactions and applications
- Advancements in PLL and VCO Technologies
- Black Holes and Theoretical Physics
- Atomic and Subatomic Physics Research
- Digital Radiography and Breast Imaging
- Radiation Effects in Electronics
- Structural Analysis of Composite Materials
- Statistical Distribution Estimation and Applications
- Embedded Systems Design Techniques
European Organization for Nuclear Research
2016-2025
Rutherford Appleton Laboratory
2023-2024
New York University
2024
Institute of High Energy Physics
2024
A. Alikhanyan National Laboratory
2024
Atlas Scientific (United States)
2024
The University of Adelaide
2017-2023
Argonne National Laboratory
2023
Brandeis University
2020
The ATLAS central level-1 trigger logic consists in the Central Trigger Processor and interface to detector-specific muon electronics. It is responsible for forming a experiment. distribution of timing, control information from processor readout electronics subdetectors done with TTC system. Both systems are presented.
To cope with the higher luminosity and physics cross-sections for third run of Large Hadron Collider (LHC) beyond, Trigger Data Acquisition (TDAQ) system ATLAS experiment at CERN is being upgraded. Part TDAQ system, Muon to Central Processor Interface (MUCTPI) receives muon candidates information from each 208 barrel endcap trigger sectors, counts transverse momentum threshold sends result (CTP). The MUCTPI takes into account possible overlap between sectors in order avoid double counting...
The ATLAS experiment is located at the European Center for Nuclear Research (CERN) in Switzerland. It designed to observe collisions Large Hadron Collider (LHC): world's largest and highest-energy particle accelerator. Event triggering Data Acquisition one of extraordinary challenges faced by detectors high luminosity LHC collider upgrade. During 2011, reached instantaneous luminosities 4 × 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...
For the next run of LHC, ATLAS Level-1 trigger system will include topological information on objects from calorimeters and muon detectors. In order to supply coarse grained information, existing MUCTPI (Muon-to-Central-Trigger-Processor Interface) has been upgraded. The MIOCT (Muon Octant) module firmware then modified extract, encode send through electrical outputs. detectors be sent Topological Trigger Processor (L1Topo) MUCTPI-to-Level-1-Topological-Processor (MuCTPiToTopo) interface....
The Muon to Central Trigger Processor Interface (MUCTPI) is part of the ATLAS Level-1 trigger system and connects output muon (CTP). At every bunch crossing (BC), MUCTPI receives information on candidates from each 208 sectors calculates total multiplicity for six transverse momentum (pT) thresholds. This value then sent CTP, where it used together with input Calorimeter make final Accept (L1A) decision. In addition provides summary Level-2 data acquisition (DAQ) events selected at Level-1....
The ATLAS Level-1 Central Trigger Processor (CTP) combines information from calorimeter and muon trigger processors as well other sources makes the final Accept (L1A) decision. Due to increasing luminosity of LHC growing demands physics monitoring placed on system, current CTP has reached its design limits. Therefore in order provide some margin for future operation, will be upgraded during shutdown 2013/14.
The ATLAS Central Trigger Processor (CTP) is responsible for forming the Level-1 trigger decision based on information from calorimeter and muon processors. In order to cope with increase of luminosity physics cross-sections in Run 2, several components this system have been upgraded. particular, number usable inputs items increased 160 512 256 512, respectively. upgraded CTP also provides extended monitoring capabilities allows operate simultaneously up three independent combinations...
The increased energy and luminosity of the LHC in run-2 data taking period requires a more selective trigger menu order to satisfy physics goals ATLAS. Therefore electronics central system is upgraded allow for larger variety sophisticated criteria. In addition, software controlling processor (CTP) has been redesigned CTP accommodate three freely configurable separately operating sets sub detectors, each independently using almost full functionality hardware. This new approach its...
ATLAS is a multi-purpose particle physics detector at CERN's Large Hadron Collider where two pulsed beams of protons are brought to collision very high energy. There collisions every 25 ns, corresponding rate 40 MHz. A three-level trigger system reduces this about 200 Hz while keeping bunch crossings which potentially contain interesting processes. The Level-1 trigger, implemented in electronics and firmware, makes an initial selection under 2.5 /spl mu/s with output less than 100 kHz. key...
The ATLAS Level-1 Central Trigger Processor (CTP) com- bines information from the calorimeter and muon trig- ger processors, as well other sources such calibration triggers, makes final Accept deci- sion. CTP synchronises trigger inputs different to internal clock aligns them with respect same bunch crossing. algorithm used by bine allows events be selected on basis of menus. provides summary data acquisition Level-2 system, one monitor various counters bunch- by-bunch accumulated inputs....
The central part of the ATLAS Level-1 trigger system consists processor (CTP), local processors (LTPs), timing, trigger, and control (TTC) system, read-out driver busy (ROD/spl I.bar/BUSY) modules. CTP combines information from calorimeter muon processors, as well other sources, makes final accept decision (L1A) on basis lists selection criteria, implemented menus. Timing signals are fanned out to about 40 LTPs, which inject them into subdetector TTC partitions. LTPs also support stand-alone...
Event data from proton-proton collisions at the LHC will be selected by ATLAS experiment in a three level trigger system, which reduces initial bunch crossing rate of 40 MHz its first two levels (LVL1+LVL2) to ~3 kHz. At this Event-Builder collects all read-out system PCs (ROSs) and provides fully assembled events event-filter (EF), is third trigger, achieve further reduction ~ 200 Hz for permanent storage. The event-builder based on farm O(100) PCs, interconnected via gigabit Ethernet...
A new Muon-to-Central-Trigger Processor Interface (MUCTPI) was built as part of the upgrade ATLAS Level-1 trigger system for next Run Large Hadron Collider at CERN. The MUCTPI has 208 high-speed optical serial links receiving muon candidates from detectors. Three high-end FPGAs are used real-time processing candidates, sending information to other parts system, and summary data acquisition monitoring system. System-on-Chip (SoC) is control, configuration hardware operation MUCTPI. SoC...
The central part of the ATLAS level-1 trigger system consists processor (CTP), local processors (LTPs), timing, and control (TTC) system, read-out driver busy (ROD/spl I.bar/BUSY) modules. CTP combines information from calorimeter muon processors, as well other sources makes final accept decision (L1A) on basis lists selection criteria, implemented a menu. Timing signals are fanned out to about 40 LTPs which inject them into sub-detector TTC partitions. also support stand-alone running can...
The Muon to Central Trigger Processor Interface (MUCTPI) of the ATLAS Level-1 trigger receives data from sector logic modules muon at every bunch crossing and calculates total multiplicity candidates, which is then sent where final decision taken. MUCTPI system consists a 9U VME crate with special backplane 18 custom designed modules. We focus on design implementation octant module (MIOCT). Each 16 MIOCT processes candidates 13 sectors one half-octant detector forms local candidate...
The ATLAS detector at CERN's LHC will be exposed to proton-proton collisions a bunch-crossing rate of 40 MHz. In order reduce the data rate, three-level trigger system selects potentially interesting physics processes. first level is implemented in electronics and firmware. It aims reducing output less than 100 kHz. central processor (CTP) combines information from calorimeter muon processors makes final Level-1-Accept (L1A) decision. element timing setup experiment. Three aspects are...
The ATLAS Level-1 Central Trigger consists of the Processor (CTP) and Muon-to-CTP-Interface (MUCTPI). CTP receives trigger information from Calorimeter system directly, Muon systems through MUCTPI. It also timing signals LHC machine, fans them out along with Accept (L1A) signal other control to all sub-detectors. From them, it collects BUSY in order throttle L1A generation. Upon send region-of-interest Level-2 system. MUCTPI crates are already installed underground counting rooms final or...
The ATLAS detector is one of the experiments at LHC that will detect high-energy proton collisions 14 TeV. commissioning has started already in 2005 parallel to installation and still progress. data taken so far corresponds noise runs, cosmic muon events beam background from single September 2008. We present current status performance results obtained during commissioning.
The ATLAS Level-1 Muon-to-Central-Trigger-Processor Interface (MUCTPI) receives information on muon candidates from the trigger sectors and sends multiplicity values to Central Trigger Processor (CTP). CTP MUCTPI combines them with calorimeter other triggers of experiment makes final decision. are housed in two 9U VME64x crates made nine different types custom designed modules. This paper will present framework which is used for debugging, commissioning operation all modules CTP. Testing has...
In early 2012, the Large Hadron Collider (LHC) reached instantaneous luminosities of 6.7·1033 cm−2s−1 and produced events with up to 40 interactions per colliding proton bunch. This places stringent operational physical requirements on ATLAS trigger in order reduce collision rate MHz when operating design parameters a manageable event storage about 400 Hz without discarding those considered interesting. The Level-1 is first rate-reducing step primarily composed Calorimeter Trigger, Muon...
The ATLAS detector at CERN’s LHC will be exposed to proton-proton collisions a bunch-crossing rate of 40 MHz. In order reduce the data rate, three-level trigger system selects potentially interesting events. Its first level is implemented in electronics and firmware, aims reducing output under 100 kHz. Central Trigger Processor (CTP) combines information from calorimeter muon processors, makes final Level-1 Accept (L1A) decision, which transferred all sub-detector front-ends. functioning...
ATLAS is a detector at CERN's Large Hadron Collider where bunches of protons in counter-rotating beams will cross every 25 ns producing, on average, about collisions for total interaction rate 1 GHz. A three-level trigger system selects bunch crossings potentially containing interesting processes. The Level-1 trigger, implemented electronics and firmware, makes an initial selection under 2.5 /spl mu/s with output less than 100 kHz. key element this the core module Central Trigger Processor...
The ATLAS Level-1 Central Trigger (L1CT) system is a central part of data-taking. It receives the 40 MHz bunch clock from LHC machine and distributes it to all sub-detectors. initiates detector read-out by forming Accept decision, which based on information calorimeter muon trigger processors, plus variety additional inputs detectors in forward regions. L1CT also provides trigger-summary data acquisition Level-2 systems for use higher levels selection process, offline analysis, monitoring.