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Related papers: High Level Trigger Using ALICE ITS Detector

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The future Belle II experiment will employ a computer-farm based data reduction system for the readout of its innermost detector, a DEPFET-technology based silicon detector with pixel readout. A large fraction of the background hits can be…

Instrumentation and Detectors · Physics 2015-04-28 T. Bilka , G. Casarosa , R. Frühwirth , C. Kleinwort , P. Kodys , P. Kvasnicka , J. Lettenbichler , E. Paoloni , J. Rauch , T. Schlüter , S. Yashchenko

ALICE, one of the four main CERN LHC experiments, studies heavy-ion collisions at ultra-relativistic energies. For LHC Run 4 (starting 2030), ALICE will replace the three innermost cylindrical layers of its inner tracking system during Long…

Instrumentation and Detectors · Physics 2025-05-07 Livia Terlizzi

The ALICE detector was designed to identify hadrons over a wide range of transverse momentum at mid-rapidity. Here measurements of light charged ({\pi}, K, p) and neutral ({\Lambda}, K0S) hadrons in Pb-Pb collisions at sqrt(s_NN) = 2.76 TeV…

Nuclear Experiment · Physics 2019-08-13 L. S. Barnby

The ATLAS Inner Detector is responsible for particle tracking in ATLAS experiment at CERN Large Hadron Collider (LHC) and comprises silicon and gas based detectors. The combination of both silicon and gas based detectors provides high…

Instrumentation and Detectors · Physics 2019-08-13 Ewa Stanecka

Jets are collimated sprays of particles resulting from fragmentation of hard scattered partons. They are measured in different types of collisions at different energies to test perturbative Quantum Chromodynamic calculations and are used to…

High Energy Physics - Experiment · Physics 2019-08-13 Michal Vajzer

CMOS Pixel Sensors tend to become relevant for a growing spectrum of charged particle detection instruments. This comes mainly from their high granularity and low material budget. However, several potential applications require a higher…

During LHC Run 2 (2015-2018) the ATLAS Level-1 topological trigger allowed efficient data-taking by the ATLAS experiment at luminosities up to 2.1x10$^{34}$ cm$^{-2}$s$^{-1}$, which exceeds the design value by a factor of two. The system…

High Energy Physics - Experiment · Physics 2022-01-14 ATLAS Collaboration

Knowledge of the material in the ATLAS inner tracking detector is crucial in understanding the reconstruction of charged-particle tracks, the performance of algorithms that identify jets containing b-hadrons and is also essential to reduce…

High Energy Physics - Experiment · Physics 2017-01-10 ATLAS Collaboration

ATLAS detector at the LHC will undergo a major Phase-II upgrade for the High Luminosity LHC. The upgrade affects all major ATLAS systems, including the Trigger and Data Acquisition systems. As part of the Level-0 Trigger System, the Global…

Instrumentation and Detectors · Physics 2020-10-16 Viacheslav Filimonov , Bruno Bauss , Volker Büscher , Ulrich Schäfer , Duc Bao Ta

The ATLAS trigger has been used very successfully for the online event selection during the first part of the second LHC run (Run-2) in 2015/16 at a center-of-mass energy of 13 TeV. The trigger system is composed of a hardware Level-1…

High Energy Physics - Experiment · Physics 2019-08-13 Catrin Bernius

Particle identification (PID) is one of the main strengths of the ALICE experiment at the LHC. It is a crucial ingredient for detailed studies of the strongly interacting matter formed in ultrarelativistic heavy-ion collisions. ALICE…

Nuclear Experiment · Physics 2022-04-15 Łukasz Kamil Graczykowski , Monika Jakubowska , Kamil Rafał Deja , Maja Kabus

The study of jets, collimated sprays of particles associated with hard partons, is an important tool in testing perturbative quantum chromodynamics (pQCD) and probing hot and dense nuclear matter created in high energy heavy-ion collisions.…

High Energy Physics - Experiment · Physics 2014-06-11 Michal Vajzer

The ALICE experiment profited of the Long Shutdown during 2019-2021 in order to expand its physics capabilities and fully profit from the increased LHC luminosity in Run 3. The Inner Tracking System has been replaced with a new silicon…

Instrumentation and Detectors · Physics 2022-01-25 A. Ferretti

The outer shell of the ATLAS experiment at the LHC consists of a system of toroidal air-core magnets in order to allow for the precise measurement of the transverse momentum p$_T$ of muons, which in many physics channels are a signature of…

Instrumentation and Detectors · Physics 2011-01-27 Jörg Dubbert , Sandra Horvat , Oliver Kortner , Hubert Kroha , Robert Richter

This proceeding provides an expanded overview of the Fast Interaction Trigger (FIT) system performance, focusing on new developments such as the prospective integration of the ALICE Low-Level Front-End Device (ALFRED) into the Detector…

High Energy Physics - Experiment · Physics 2025-03-10 Krystian Roslon

The ALICE HMPID (High Momentum Particle IDentification) detector has been designed to identify charged pions and kaons in the range 1 < p < 3 GeV/c and protons in the range 1.5 < p < 5 GeV/c. It consists of seven identical proximity…

Instrumentation and Detectors · Physics 2009-11-18 Giacomo Volpe

The distribution of the pseudorapidity density of primary charged particles (${\rm d}N_{\rm ch}/ {\rm d}\eta$) in $|\eta|<1.5$ is measured in pp collisions at a center-of-mass energy of 13.6 TeV using the ALICE detector. Tracks are…

Nuclear Experiment · Physics 2026-02-12 ALICE Collaboration

ALICE is well suited for strange particles production studies since it has very good reconstruction capabilities in the low transverse momentum ($p_{t}$) region and it also allows to extend the identification up to quite high $p_{t}$.…

Nuclear Experiment · Physics 2015-03-13 H. Ricaud , A. Kalweit , A. Maire

The ALICE detector has excellent Particle IDentification (PID) capabilities in the central barrel ($\lvert \eta \rvert <$ 0.9). This allows identified hadron production to be measured over a wide transverse momentum ($p_{\rm{T}}$) range,…

High Energy Physics - Experiment · Physics 2017-05-24 Raúl Tonatiuh Jiménez Bustamante

A large Time Projection Chamber (TPC) is the main device for tracking and charged-particle identification in the ALICE experiment at the CERN LHC. After the second long shutdown in 2019-2020, the LHC will deliver Pb beams colliding at an…

Instrumentation and Detectors · Physics 2019-09-04 P. Gasik