English
Related papers

Related papers: Enabling distributed analysis for ALICE Run 3

200 papers

ALICE is the CERN LHC experiment optimised for the study of the strongly interacting matter produced in heavy-ion collisions and devoted to the characterisation of the quark-gluon plasma. To achieve the physics program for LHC Run 3, a…

Instrumentation and Detectors · Physics 2020-12-04 Domenico Colella

The ALICE HLT uses a data transport framework based on the publisher-subscriber message principle, which transparently handles the communication between processing components over the network and between processing components on the same…

Instrumentation and Detectors · Physics 2019-08-14 David Rohr , Mikolaj Krzwicki , Heiko Engel , Johannes Lehrbach , Volker Lindenstruth

A major upgrade of the ALICE experiment is in progress and will result in high-rate data taking during LHC Run 3 (2022-2024). The LHC interaction rate at Point 2 where the ALICE experiment is located will be increased to $50\ \mathrm{kHz}$…

ALICE is the CERN LHC experiment optimised for the study of the strongly interacting matter produced in heavy-ion collisions and devoted to the characterisation of the quark-gluon plasma. To achieve the physics program for LHC Run 3, a…

Instrumentation and Detectors · Physics 2022-12-21 Domenico Colella

This document describes the plans of the ALICE Collaboration for a major upgrade of its detector, referred to as ALICE 3, which is proposed for physics data-taking in the LHC Run 5 and beyond. ALICE 3 will enable an extensive programme to…

Instrumentation and Detectors · Physics 2022-11-07 ALICE Collaboration

The ALICE detector at the LHC has undergone a major upgrade in the long shutdown 2019-2021 to be able to take data at much-increased rates in Runs 3 and 4. The upgrades of the detector systems used for analysing double gap events are…

High Energy Physics - Experiment · Physics 2024-12-12 Rainer Schicker

After several software and hardware upgrades during LS2, ALICE records 50 KHz of minimum bias Pb--Pb collisions in continuous readout mode. To cope with the high data rate of 3.5 TB/s from the detectors, multiple stages of compression are…

Instrumentation and Detectors · Physics 2024-11-05 Gabriele Cimador

In LHC Run 3, ALICE will increase the data taking rate significantly to continuous readout of 50 kHz minimum bias Pb-Pb collisions. The reconstruction strategy of the online offline computing upgrade foresees a first synchronous online…

Instrumentation and Detectors · Physics 2018-11-29 David Rohr , Sergey Gorbunov , Marten Ole Schmidt , Ruben Shahoyan

ALICE records Pb-Pb collisions in Run 3 at an unprecedented rate of 50 kHz, storing all data in continuous readout (triggerless) mode. The main purpose of the ALICE online computing farm is the calibration of the detectors and the…

Instrumentation and Detectors · Physics 2025-02-14 David Rohr

In LHC Run 3, ALICE will increase the data taking rate significantly to 50 kHz continuous read out of minimum bias Pb-Pb collisions. The reconstruction strategy of the online offline computing upgrade foresees a first synchronous online…

Instrumentation and Detectors · Physics 2021-02-03 David Rohr

The ALICE experiment at the Large Hadron Collider (LHC) at CERN is optimized for recording events in the very large particle multiplicity environment of heavy-ion collisions at LHC energies. The ALICE collaboration has taken data in Pb-Pb…

Nuclear Experiment · Physics 2017-04-26 R. Schicker

ALICE will significantly increase its Pb--Pb data taking rate from the 1\,kHz of triggered readout in Run 2 to 50 kHz of continuous readout for LHC Run 3. Updated tracking detectors are installed for Run 3 and a new two-phase computing…

Instrumentation and Detectors · Physics 2021-09-08 David Rohr

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

During the upcoming Run 3 and Run 4 at the LHC the upgraded ALICE (A Large Ion Collider Experiment) will operate at a significantly higher luminosity and will collect two orders of magnitude more events than in Run 1 and Run 2. A part of…

Instrumentation and Detectors · Physics 2020-12-07 Alla Maevskaya

The LHC Run 5 and 6 data taking phases will bring unprecedented luminosity in high-energy proton-proton and in heavy-ion collisions. The ALICE Collaboration proposes a next-generation experiment, ALICE 3, specifically designed to operate…

Instrumentation and Detectors · Physics 2024-09-19 Robert Vertesi

The official data collection for the Run 3 of the Large Hadron Collider (LHC) at CERN in Geneva commenced on July 5, 2022, following approximately three and a half years of maintenance, upgrades, and commissioning. Among the many upgrades…

Instrumentation and Detectors · Physics 2025-01-09 Krystian Roslon

For LHC Run 3, the ALICE Time Projection Chamber was upgraded to operate in continuous readout mode. Interaction rates of up to 50 kHz in Pb-Pb collisions require real-time processing of more than 3 TB/s of raw detector data. This…

Instrumentation and Detectors · Physics 2026-03-18 J. Alme , T. Alt , C. Andrei , V. Anguelov , H. Appelshäuser , M. Arslandok , R. Averbeck , M. Ball , G. G. Barnaföldi , P. Becht , R. Bellwied , A. Berdnikova , B. Blidaru , L. Boldizsár , L. Bratrud , P. Braun-Munzinger , M. Bregant , C. L. Britton , H. Büsching , H. Caines , P. Chatzidaki , P. Christiansen , T. M. Cormier , L. Döpper , R. Ehlers , L. Fabbietti , F. Flor , J. J. Gaardhøje , M. G. Munhoz , C. Garabatos , P. Gasik , Á. Gera , P. Glässel , N. Grünwald , T. Gündem , T. Gunji , H. Hamagaki , J. W. Harris , P. Hauer , E. Hellbär , H. Helstrup , A. Herghelegiu , H. D. Hernandez Herrera , Y. Hou , C. Hughes , M. Ivanov , J. Jäger , Y. Ji , J. Jung , M. Jung , B. Ketzer , S. Kirsch , M. Kleiner , A. G. Knospe , M. Korwieser , M. Kowalski , L. Lautner , M. Lesch , C. Lippmann , G. Mantzaridis , R. D. Majka , A. Marin , C. Markert , S. Masciocchi , A. Matyja , M. Meres , D. L. Mihaylov , D. Miśkowiec , R. H. Munzer , H. Murakami , K. Münning , A. Nassirpour , C. Nattrass , B. S. Nielsen , W. A. V. Noije , A. C. Oliveira Da Silva , A. Oskarsson , K. Oyama , L. Österman , Y. Pachmayer , G. Paić , M. Petris , M. Petrovici , M. Planinic , J. Rasson , K. F. Read , A. Rehman , R. Renfordt , A. Riedel , K. Røed , D. Röhrich , E. Rubio , A. Rusu , S. Sadhu , B. C. S. Sanches , J. Schambach , A. Schmah , C. Schmidt , A. Schmier , K. Schweda , D. Sekihata , D. Silvermyr , B. Sitar , N. Smirnov , H. K. Soltveit , C. Sonnabend , S. P. Sorensen , J. Stachel , L. Šerkšnytė , G. Tambave , K. Ullaland , B. Ulukutlu , D. Varga , O. Vazquez Rueda , B. Voss , J. Wiechula , B. Windelband , J. Wilkinson , J. Witte , A. Yadav , F. Zanone , S. Zhu

A Large Ion Collider Experiment (ALICE) has been conceived and constructed as a heavy-ion experiment at the LHC. During LHC Runs 1 and 2, it has produced a wide range of physics results using all collision systems available at the LHC. In…

Instrumentation and Detectors · Physics 2024-06-10 ALICE Collaboration

The main focus of the ALICE experiment, quark--gluon plasma measurements, requires accurate particle identification (PID). The ALICE subdetectors allow identifying particles over a broad momentum interval ranging from about 100 MeV/c up to…

High Energy Physics - Experiment · Physics 2023-09-15 Maja Karwowska , Monika Jakubowska , Łukasz Graczykowski , Kamil Deja , Miłosz Kasak

An overview of the recent results obtained by the ALICE Collaboration from the analysis of the pp, p-Pb and Pb-Pb data samples collected during LHC run I and the first half of run II is presented.

High Energy Physics - Experiment · Physics 2018-03-14 Alessandro Grelli