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Measurement of the inelastic pp cross-section at a centre-of-mass energy of 13TeV

  • The Lhcb Collaboration

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

The cross-section for inelastic proton-proton collisions at a centre-of-mass energy of 13TeV is measured with the LHCb detector. The fiducial cross-section for inelastic interactions producing at least one prompt long-lived charged particle with momentum p > 2 GeV/c in the pseudorapidity range 2 < η < 5 is determined to be ϭacc = 62:2 ± 0:2 ± 2:5mb. The first uncertainty is the intrinsic systematic uncertainty of the measurement, the second is due to the uncertainty on the integrated luminosity. The statistical uncertainty is negligible. Extrapolation to full phase space yields the total inelastic proton-proton cross-section ϭinel = 75:4 ± 3:0 ± 4:5mb, where the first uncertainty is experimental and the second due to the extrapolation. An updated value of the inelastic cross-section at a centre-of-mass energy of 7TeV is also reported.

Original languageEnglish
Article number100
Pages (from-to)1-18
Number of pages18
JournalJournal of High Energy Physics
Volume2018
Issue number6
Early online date20 Jun 2018
DOIs
Publication statusPublished - Jun 2018

Funding

We express our gratitude to our colleagues in the CERN accelerator departments for the excellent performance of the LHC. We thank the technical and administrative staff at the LHCb institutes. We acknowledge support from CERN and from the national agencies: CAPES, CNPq, FAPERJ and FINEP (Brazil); MOST and NSFC (China); CNRS/IN2P3 (France); BMBF, DFG and MPG (Germany); INFN (Italy); NWO (The Open Access, Copyright CERN, for the benefit of the LHCb Collaboration. Article funded by SCOAP3.

FundersFunder number
Agence Nationale de la Recherche
OCEVU
Institut national de physique nucléaire et de physique des particules
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Ministry of Science and Technology, Taiwan
Herchel Smith Fund
Instituto Nazionale di Fisica Nucleare
Financiadora de Estudos e Projetos
Marie Sklo dowska-Curie Actions
Centre National de la Recherche Scientifique
Bundesministerium für Bildung und Forschung
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Deutsche Forschungsgemeinschaft
European Commission
Région Auvergne-Rhône-Alpes
Russian Foundation for Basic Research
English-Speaking Union
Yandex LLC
Russian Science Foundation
Chinese Academy of Sciences
Recruitment Program of Global Experts
Royal Society
European Research Council
Generalitat Valenciana
CERN
Alexander von Humboldt-Stiftung
Lev-erhulme Trust
National Natural Science Foundation of China
Science and Technology Facilities CouncilST/N000250/1, LHCb Upgrades, ST/J004332/1, ST/N000447/1, 1681016, ST/K003410/1, 1796908, 1708182, ST/K00137X/1, ST/N000463/1, LHCb, ST/N000455/1, ST/L003163/1, ST/L003392/1, ST/N000242/1
Schweizerischer Nationalfonds zur F&#x00F6;rderung der Wissenschaftlichen Forschung166208, 152784

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 7 - Affordable and Clean Energy
      SDG 7 Affordable and Clean Energy

    Keywords

    • Global features
    • Hadron-Hadron scattering (experiments)
    • Minimum bias

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