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Elastic differential cross-section measurement at √s = 13 TeV by TOTEM

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    SYSNO ASEP0540657
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleElastic differential cross-section measurement at √s = 13 TeV by TOTEM
    Author(s) Antchev, G. (BG)
    Aspell, P. (CH)
    Atanassov, I. (BG)
    Kašpar, Jan (FZU-D) RID, ORCID
    Kundrát, Vojtěch (FZU-D) RID, ORCID
    Lokajíček, Miloš V. (FZU-D) RID, ORCID
    Number of authors76
    Article number861
    Source TitleEuropean Physical Journal C. - : Springer - ISSN 1434-6044
    Roč. 79, č. 10 (2019), s. 1-15
    Number of pages15 s.
    Languageeng - English
    CountryUS - United States
    Keywordselastic pp scattering at LHC ; Coulomb-hadronic interference
    Subject RIVBF - Elementary Particles and High Energy Physics
    OECD categoryParticles and field physics
    R&D ProjectsLTT17018 GA MŠk - Ministry of Education, Youth and Sports (MEYS)
    Research InfrastructureCERN-CZ - 90058 - Fyzikální ústav AV ČR, v. v. i.
    Method of publishingOpen access
    Institutional supportFZU-D - RVO:68378271
    UT WOS000491015300003
    EID SCOPUS85073615084
    AnnotationThe TOTEM collaboration has measured the elastic proton-proton differential cross section dσ/dt at √s = 13 TeV LHC energy using dedicated β∗ = 90 m beam optics. The Roman Pot detectors were inserted to 10σ distance from the LHC beam, which allowed the measurement of the range [0.04 GeV2, 4 GeV 2] in four-momentumtransfer squared |t|. The average nuclear slope has been found to be B = (20.40± 0.002 stat ± 0.01syst) GeV−2 in the |t|-range 0.04–0.2 GeV2. The dip position is |tdip|=(0.47±0.004stat±0.01syst) GeV2. The differential cross section ratio at the bump vs. at the dip R =1.77±0.01stat has been measured with high precision. The series of TOTEM elastic pp measurements show that the dip is a permanent feature of the pp differential cross-section at the TeV scale.
    WorkplaceInstitute of Physics
    ContactKristina Potocká,, Tel.: 220 318 579
    Year of Publishing2021
    Electronic address
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