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The ATLAS detector at CERN's Large Hadron Collider will be exposed to proton-proton collisions from beams crossing at 40 MHz. A three-level trigger system was designed to select potentially interesting events and reduce the incoming rate to…

Instrumentation and Detectors · Physics 2008-11-26 Thilo Pauly

ALICE is the dedicated heavy ion experiment at the LHC at CERN and records lead-lead collisions at a rate of up to 50 kHz. The detector with the highest data rate of up to 3.4 TB/s is the TPC. ALICE performs the full online TPC processing…

Instrumentation and Detectors · Physics 2025-11-24 David Rohr

Being easy to learn and well suited for a self-contained desktop laboratory setup, many casual programmers prefer to use the National Instruments LabVIEW environment to develop their logic. An ActiveX interface is presented that allows…

Other Computer Science · Computer Science 2010-05-27 K. U. Kasemir , M. Pieck , L. R. Dalesio

The ATLAS pixel detector is a high precision silicon tracking device located closest to the LHC interaction point. It belongs to the first generation of its kind in a hadron collider experiment. It will provide crucial pattern recognition…

Instrumentation and Detectors · Physics 2019-08-13 J. -F. Arguin

The control system (TICS) for the test interferometer being built to support the development of the Atacama Large Millimeter Array (ALMA)will itself be a prototype for the final ALMA array, providing a test for the distributed control…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 M. Pokorny , M. Brooks , B. Glendenning , G. Harris , R. Heald , F. Stauffer , J. Pisano

The organization of the distributed user analysis on the Worldwide LHC Computing Grid (WLCG) infrastructure is one of the most challenging tasks among the computing activities at the Large Hadron Collider. The Experiment Dashboard offers a…

Data Analysis, Statistics and Probability · Physics 2019-06-14 L Sargsyan , J Andreeva , M Jha , E Karavakis , L Kokoszkiewicz , P Saiz , J Schovancova , D Tuckett

ALICE (A Large Ion Collider Experiment) is the CERN LHC experiment optimized for the study of the strongly interacting matter produced in heavy-ion collisions and devoted to the characterization of the Quark-Gluon Plasma. To achieve the…

Instrumentation and Detectors · Physics 2019-12-30 Domenico Colella

An extensive system test of the ATLAS muon spectrometer has been performed in the H8 beam line at the CERN SPS during the last four years. This spectrometer will use pressurized Monitored Drift Tube (MDT) chambers and Cathode Strip Chambers…

Instrumentation and Detectors · Physics 2008-11-26 Erez Etzion

The FASER experiment is a new small and inexpensive experiment that is placed 480 meters downstream of the ATLAS experiment at the CERN LHC. FASER is designed to capture decays of new long-lived particles, produced outside of the ATLAS…

Accurate power prediction in VLSI design is crucial for effective power optimization, especially as designs get transformed from gate-level netlist to layout stages. However, traditional accurate power simulation requires time-consuming…

Hardware Architecture · Computer Science 2025-08-19 Wenkai Li , Yao Lu , Wenji Fang , Jing Wang , Qijun Zhang , Zhiyao Xie

Our objective will be to integrate ML into Fermilab accelerator operations and furthermore provide an accessible framework which can also be used by a broad range of other accelerator systems with dynamic tuning needs. We will develop of…

In the upgrade of ATLAS experiment, the front-end electronics components are subjected to a large radiation background. Meanwhile high speed optical links are required for the data transmission between the on-detector and off-detector…

Instrumentation and Detectors · Physics 2018-06-22 Kai Chen , Hucheng Chen , Weihao Wu , Hao Xu , Lin Yao

Two optical data link data transmission Application Specific Integrated Circuits (ASICs), the baseline and its backup, have been designed for the ATLAS Liquid Argon (LAr) Calorimeter Phase-I trigger upgrade. The latency of each ASIC and…

In the context of the general consolidation of the CERN ISOLDE facility, a project has been started to upgrade the ISOLDE control system. We describe the new ISOLDE control system, emphasizing the systematic use of industrial components…

Accelerator Physics · Physics 2007-05-23 J. Allard , O. Jonsson , F. Locci , G. Mornacchi

The ATLAS experiment at the Large Hadron Collider employs a two-level trigger system to record data at an average rate of 1 kHz from physics collisions, starting from an initial bunch crossing rate of 40 MHz. During the LHC Run 2…

Instrumentation and Detectors · Physics 2020-10-09 ATLAS Collaboration

Online applications now routinely replicate their data at multiple sites around the world. In this paper we present Atlas, the first state-machine replication protocol tailored for such planet-scale systems. Atlas does not rely on a…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-05-19 Vitor Enes , Carlos Baquero , Tuanir França Rezende , Alexey Gotsman , Matthieu Perrin , Pierre Sutra

The ATLAS pixel detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN. With approximately 80 million readout channels, the ATLAS silicon pixel detector is a high-acceptance, high-resolution,…

Instrumentation and Detectors · Physics 2019-08-13 E. Galyaev

The Advanced Photon Source is now in its fifth year of routine beam production. The EPICS-based [1] control system has entered the phase in its life cycle where new control algorithms must be implemented under increasingly stringent…

Accelerator Physics · Physics 2007-05-23 D. A. Dohan

This paper introduces a distributed operational solution for coordinating integrated transmission-distribution (ITD) systems regarding data privacy. To tackle the nonconvex challenges of AC optimal power flow (OPF) problems, our research…

Systems and Control · Electrical Eng. & Systems 2024-02-01 Xinliang Dai , Junyi Zhai , Yuning Jiang , Yi Guo , Colin N. Jones , Veit Hagenmeyer

Analyzing non-compilable C/C++ submodules without a resolved build environment remains a critical bottleneck for industrial software evolution. Traditional static analysis tools often fail in these scenarios due to their reliance on…

Software Engineering · Computer Science 2026-02-20 Jaid Monwar Chowdhury , Ahmad Farhan Shahriar Chowdhury , Humayra Binte Monwar , Mahmuda Naznin