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ALICE upgrades during the LHC Long Shutdown 2

  • ALICE Collaboration
  • Université Clermont Auvergne
  • Universidade de São Paulo
  • Czech Academy of Sciences
  • Goethe University Frankfurt
  • Lund University
  • National Institute for Nuclear Physics
  • CERN
  • IPHC
  • Universidad Nacional Autónoma de México
  • Variable Energy Cyclotron Centre
  • Aligarh Muslim University
  • Korea Institute of Science and Technology Information
  • P. J. Safarik University
  • Yale University
  • GSI Helmholtz Centre for Heavy Ion Research

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

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 order to best exploit new physics opportunities opening up with the upgraded LHC and new detector technologies, the experiment has undergone a major upgrade during the LHC Long Shutdown 2 (2019–2022). This comprises the move to continuous readout, the complete overhaul of core detectors, as well as a new online event processing farm with a redesigned online-offline software framework. These improvements will allow to record Pb-Pb collisions at rates up to 50 kHz, while ensuring sensitivity for signals without a triggerable signature.

Original languageEnglish
Article numberP05062
JournalJournal of Instrumentation
Volume19
Issue number5
DOIs
Publication statusPublished - 1 May 2024

Bibliographical note

Publisher Copyright:
© 2024 CERN for the benefit of the ALICE collaboration.

Funding

The ALICE Collaboration would like to thank all its engineers and technicians for their invaluable contributions to the construction of the experiment and the CERN accelerator teams for the outstanding performance of the LHC complex. The ALICE Collaboration gratefully acknowledges the resources and support provided by all Grid centres and the Worldwide LHC Computing Grid (WLCG) collaboration. The ALICE Collaboration acknowledges the following funding agencies for their support in building and running the ALICE detector: A.I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation (ANSL), State Committee of Science and World Federation of Scientists (WFS), Armenia; Austrian Academy of Sciences, Austrian Science Fund (FWF): [M 2467-N36] and Nationalstiftung fur Forschung, Technologie und Entwicklung, Austria; Ministry of Communications and High Technologies, National Nuclear Research Center, Azerba. an; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Financiadora de Estudos e Projetos (Finep), Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) and Universidade Federal do Rio Grande do Sul (UFRGS), Brazil; Bulgarian Ministry of Education and Science, within the National Roadmap for Research Infrastructures 2020-2027 (object CERN), Bulgaria; Ministry of Education of China (MOEC), Ministry of Science & Technology of China (MSTC) and National Natural Science Foundation of China (NSFC), China; Ministry of Science and Education and Croatian Science Foundation, Croatia; Centro de Aplicaciones Tecnologicas y Desarrollo Nuclear (CEADEN), Cubaenergia, Cuba; Ministry of Education, Youth and Sports of the Czech Republic, Czech Republic; The Danish Council for Independent Research vertical bar Natural Sciences, the VILLUM FONDEN and Danish National Research Foundation (DNRF), Denmark; Helsinki Institute of Physics (HIP), Finland; Commissariat a l'Energie Atomique (CEA) and Institut National de Physique Nucleaire et de Physique des Particules (IN2P3) and Centre National de la Recherche Scientifique (CNRS), France; Bundesministerium fur Bildung und Forschung (BMBF) and GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Germany; General Secretariat for Research and Technology, Ministry of Education, Research and Religions, Greece; National Research, Development and Innovation Office, Hungary; Department of Atomic Energy Government of India (DAE), Department of Science and Technology, Government of India (DST), University Grants Commission, Government of India (UGC) and Council of Scientific and Industrial Research (CSIR), India; National Research and Innovation Agency -BRIN, Indonesia; Istituto Nazionale di Fisica Nucleare (INFN), Italy; Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT) and Japan Society for the Promotion of Science (JSPS) KAKENHI, Japan; Consejo Nacional de Ciencia (CONACYT) y Tecnologia, through Fondo de Cooperacion Internacional en Ciencia y Tecnologia (FONCICYT) and Direccion General de Asuntos del Personal Academico (DGAPA), Mexico; Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Netherlands; The Research Council of Norway, Norway; Commission on Science and Technology for Sustainable Development in the South (COMSATS), Pakistan; Pontificia Universidad Catolica del Peru, Peru; Ministry of Education and Science, National Science Centre and WUT ID-UB, Poland; Korea Institute of Science and Technology Information and National Research Foundation of Korea (NRF), Republic of Korea; Ministry of Education and Scientific Research, Institute of Atomic Physics, Ministry of Research and Innovation and Institute of Atomic Physics and University Politehnica of Bucharest, Romania; Ministry of Education, Science, Research and Sport of the Slovak Republic, Slovakia; National Research Foundation of South Africa, South Africa; Swedish Research Council (VR) and Knut & Alice Wallenberg Foundation (KAW), Sweden; European Organization for Nuclear Research, Switzerland; Suranaree University of Technology (SUT), National Science and Technology Development Agency (NSTDA) and National Science, Research and Innovation Fund (NSRF via PMU-B B05F650021), Thailand; Turkish Energy, Nuclear and Mineral Research Agency (TENMAK), Turkey; National Academy of Sciences of Ukraine, Ukraine; Science and Technology Facilities Council (STFC), United Kingdom; National Science Foundation of the United States of America (NSF) and United States Department of Energy, Office of Nuclear Physics (DOE NP), United States of America. In addition, individual groups or members have received support from: European Research Council, Strong 2020 -Horizon 2020, Marie Sklodowska Curie (grant nos. 950692, 824093, 896850), European Union; Academy of Finland (Center of Excellence in Quark Matter) (grant nos. 346327, 346328), Finland; Programa de Apoyos para la Superacion del Personal Academico, UNAM, Mexico.

FundersFunder number
A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation (ANSL), State Committee of Science and World Federation of Scientists (WFS), Armenia
Austrian Science Fund (FWF), AustriaM 2467-N36
Nationalstiftung fur Forschung, Technologie und Entwicklung, Austria
Ministry of Communications and High Technologies, National Nuclear Research Center, Azerbaijan
Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Brazil
Financiadora de Estudos e Projetos (Finep), Brazil
Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP), Brazil
Universidade Federal do Rio Grande do Sul (UFRGS), Brazil
Bulgarian Ministry of Education and Science, within the National Roadmap for Research Infrastructures 2020-2027 (object CERN), Bulgaria
Ministry of Science & Technology of China (MSTC), China
National Natural Science Foundation of China (NSFC), China
Croatian Science Foundation, Croatia
Centro de Aplicaciones Tecnologicas y Desarrollo Nuclear (CEADEN), Cubaenergia, Cuba
Ministry of Education, Youth and Sports of the Czech Republic, Czech Republic
Danish Council for Independent Research | Natural Sciences, Denmark
VILLUM FONDEN, Denmark
Danish National Research Foundation (DNRF), Denmark
Helsinki Institute of Physics (HIP), Finland
Commissariat a l'Energie Atomique (CEA), France
Centre National de la Recherche Scientifique (CNRS), France
Bundesministerium fur Bildung und Forschung (BMBF), Germany
GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Germany
Council of Scientific and Industrial Research (CSIR), India
Istituto Nazionale di Fisica Nucleare (INFN), Italy
Japan Society for the Promotion of Science (JSPS) KAKENHI, Japan
Consejo Nacional de Ciencia (CONACYT) y Tecnologia, through Fondo de Cooperacion Internacional en Ciencia y Tecnologia (FONCICYT), Mexico
Direccion General de Asuntos del Personal Academico (DGAPA), Mexico
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Netherlands
Research Council of Norway, Norway
Commission on Science and Technology for Sustainable Development in the South (COMSATS), Pakistan
Pontificia Universidad Catolica del Peru, Peru
Ministry of Education and Science, Poland
National Science Centre, Poland
WUT ID-UB, Poland
Korea Institute of Science and Technology Information, Republic of Korea
National Research Foundation of Korea (NRF), Republic of Korea
Austrian Academy of Sciences, Austria
Ministry of Education and Scientific Research, Romania
Institute of Atomic Physics, Romania
Ministry of Research and Innovation, Romania
University Politehnica of Bucharest, Romania
Ministry of Education, Science, Research and Sport of the Slovak Republic, Slovakia
National Research Foundation of South Africa, South Africa
Swedish Research Council (VR), Sweden
Knut & Alice Wallenberg Foundation (KAW), Sweden
European Organization for Nuclear Research, Switzerland
Suranaree University of Technology (SUT), Thailand
National Science and Technology Development Agency (NSTDA), Thailand
Thailand Science Research and Innovation (TSRI) , Thailand
National Science, Research and Innovation Fund (NSRF), Thailand
Turkish Energy, Nuclear and Mineral Research Agency (TENMAK), Turkey
National Academy of Sciences of Ukraine, Ukraine
Science and Technology Facilities Council (STFC), United Kingdom
National Science Foundation of the United States of America (NSF) , United States of America
United States Department of Energy, Office of Nuclear Physics (DOE NP), United States of America
Marie Skodowska Curie, European Union
Strong 2020 - Horizon 2020, European Union
European Research Council , European Union824093, 896850, 950692
Academy of Finland (Center of Excellence in Quark Matter), Finland346327, 346328
Programa de Apoyos para la Superacion del Personal Academico, UNAM, Mexico
Ministry of Education of China (MOEC) , China
Ministry of Science and Education, Croatia
Institut National de Physique Nucleaire et de Physique des Particules (IN2P3), France
General Secretariat for Research and Technology, Ministry of Education, Research and Religions, Greece
National Research, Development and Innovation Office, Hungary
Department of Atomic Energy Government of India (DAE)
Department of Science and Technology, Government of India (DST)
University Grants Commission, Government of India (UGC)
National Research and Innovation Agency - BRIN, Indonesia
Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan

    Keywords

    • astroparticle physics
    • Heavy-ion detectors
    • Large detector systems for particle

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