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Starting in 2022, the upgraded LHCb detector will collect data with a pure software trigger. In its first stage, reducing the rate from 30MHz to about 1MHz, GPUs are used to reconstruct and trigger on B and D meson topologies and high-pT…

High Energy Physics - Experiment · Physics 2023-07-10 Sevda Esen , Arthur Marius Hennequin , Michel De Cian

We present a programmable time alignment scheme used in an ASIC for the ATLAS forward muon trigger development. The scheme utilizes regenerated clocks with programmable phases to compensate for the timing offsets introduced by different…

Instrumentation and Detectors · Physics 2017-08-08 Jinhong Wang , Liang Guan , John W Chapman , Bing Zhou , Junjie Zhu

The CMS silicon tracker consists of two tracking devices utilizing semiconductor technology: the inner pixel and the outer strip detectors. They operate in a high-occupancy and high-radiation environment presented by particle collisions in…

Instrumentation and Detectors · Physics 2019-08-13 Viktor Veszpremi

The Compact Muon Solenoid (CMS) is one of two general-purpose detectors that reconstruct the products of high energy particle interactions at the Large Hadron Collider at CERN. The silicon pixel detector is the innermost component of the…

Instrumentation and Detectors · Physics 2019-10-01 Tamas Almos Vami

At the start of Run 2 in 2015, the LHC delivered proton-proton collisions at a center-of-mass energy of 13 TeV. During Run 2 (years 2015-2018) the LHC eventually reached a luminosity of 2.1 $\times$ 10$^{34}$ cm$^{-2}$ s$^{-1}$, almost…

High Energy Physics - Experiment · Physics 2020-10-21 CMS Collaboration

We have designed, fabricated, and successfully tested a prototype mixed-signal, 28x28-binary-input, 10-output, 3-layer neuromorphic network ("MLP perceptron"). It is based on embedded nonvolatile floating-gate cell arrays redesigned from a…

Emerging Technologies · Computer Science 2016-10-12 F. Merrikh Bayat , X. Guo , M. Klachko , M. Prezioso , K. K. Likharev , D. B. Strukov

The Mu3e experiment is searching for the charged lepton flavour violating decay $ \mu^+\rightarrow e^+ e^- e^+ $, aiming for an ultimate sensitivity of one in $10^{16}$ decays. In an environment of up to $10^9$ muon decays per second the…

The Muon Spectrometer (MS) of the ALICE experiment at LHC is equipped with a HLT (High Level Trigger), whose aim is to improve the accuracy of the trigger cuts delivered at the L0 stage. A computational challenge of real-time event…

Instrumentation and Detectors · Physics 2015-03-19 Indranil Das

The High-Luminosity upgrade of the LHC will see the accelerator reach an instantaneous luminosity of $7\times 10^{34} cm^{-2}s^{-1}$ with an average pileup of $200$ proton-proton collisions. These conditions will pose an unprecedented…

Instrumentation and Detectors · Physics 2020-09-01 Andrea Bocci , Matti Kortelainen , Vincenzo Innocente , Felice Pantaleo , Marco Rovere

Salient aspects of the commissioning, calibration, and performance of the CMS silicon strip tracker are discussed, drawing on experience during operation with proton-proton collisions delivered by the CERN LHC. The data were obtained with a…

Instrumentation and Detectors · Physics 2025-08-26 CMS Collaboration

A novel FPGA based online tracking algorithm for helix track reconstruction in a solenoidal field, developed for the PANDA spectrometer, is described. Employing the Straw Tube Tracker detector with 4636 straw tubes, the algorithm includes a…

Instrumentation and Detectors · Physics 2017-08-02 Yutie Liang , Hua Ye , Martin J Galuska , Thomas Gessler , Wolfgang Kühn , Jens Sören Lange , Milan N Wagner , Zhen'an Liu , Jingzhou Zhao

As the start up date for LHC approaches, the detectors are readying for data taking. Here a review will be given on the construction phase with insights into the various difficulties encountered during the process. An overview will also be…

Instrumentation and Detectors · Physics 2010-08-17 Giacomo Sguazzoni

To fully exploit the increased luminosity of the HL-LHC, the CMS Inner Tracker is undergoing a major upgrade to withstand extreme radiation levels and data rates, while improving granularity and reducing material budget. The upgraded…

Instrumentation and Detectors · Physics 2025-06-12 Panagiotis Assiouras

With the increases in the LHC instantaneous luminosity, maintaining effective triggering and avoiding dead time will become especially challenging. As the sensitivity of many physics studies, depends critically on the ability to maintain…

Instrumentation and Detectors · Physics 2013-10-09 A. Castaneda

The electron-proton collider HERA is being upgraded to provide higher luminosity from the end of the year 2001. In order to enhance the selectivity on exclusive processes a Fast Track Trigger (FTT) with high momentum resolution is being…

High Energy Physics - Experiment · Physics 2014-11-17 D. Meer , D. Muller , J. Muller , A. Schoning , Ch. Wissing

With a total area of 210 squaremeters and about 15000 single silicon modules the silicon strip tracker of the CMS experiment at the LHC will be the largest silicon strip detector ever built. While the performance of the individual…

Instrumentation and Detectors · Physics 2019-08-14 Katja Klein

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

This paper presents a real-time application of the 16-bit fixed point Digital Signal Processors (DSPs), in the Muon System of the D0 detector located at the Fermilab Tevatron, presently the world's highest-energy hadron collider. As part of…

High Energy Physics - Experiment · Physics 2008-11-26 N. Parashar , O. Bardon , R. Goodwin , S. Hansen , B. Hoeneisen , V. Podstavkov , S. Uvarov , D. Wood

The Trigger Data Serializer (TDS) is a custom ASIC designed for the upgrade of the innermost station of the endcap ATLAS Muon Spectrometer. It is a mixed-signal chip with two working modes that can handle up to 128 detector channels. A…