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Elastic differential cross-section dσ/dt at √s = 2.76 TeV and implications on the existence of a colourless C-odd three-gluon compound state

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    0538802 - FZÚ 2021 RIV US eng J - Journal Article
    Antchev, G. - Aspell, P. - Atanassov, I. - Kašpar, Jan - Kundrát, Vojtěch - Lokajíček, Miloš V. … Total 75 authors
    Elastic differential cross-section dσ/dt at √s = 2.76 TeV and implications on the existence of a colourless C-odd three-gluon compound state.
    European Physical Journal C. Roč. 80, č. 2 (2020), s. 1-10, č. článku 91. ISSN 1434-6044. E-ISSN 1434-6052
    R&D Projects: GA MŠk(CZ) LTT17018
    Research Infrastructure: CERN-CZ II - 90104
    Institutional support: RVO:68378271
    Keywords : bound state: exchange * beam: size * dip * TOTEM
    OECD category: Particles and field physics
    Impact factor: 4.590, year: 2020
    Method of publishing: Open access

    The proton–proton elastic differential cross section dσ/dt{mathrm{d}}sigma /{mathrm{d}}tdσ/dt has been measured by the TOTEM experiment at sqrt{s}=2.76hbox { TeV} energy with eta ^{*}=11hbox { m} beam optics. The Roman Pots were inserted to 13 times the transverse beam size from the beam, which allowed to measure the differential cross-section of elastic scattering in a range of the squared four-momentum transfer (|t|) from 0.36 to 0.74hbox { GeV}^{2}. The differential cross-section can be described with an exponential in the |t|-range between 0.36 and 0.54hbox { GeV}^{2}, followed by a diffractive minimum (dip) at |t_{mathrm{dip}}|=(0.61pm 0.03)hbox { GeV}^{2} and a subsequent maximum (bump).

    Permanent Link: http://hdl.handle.net/11104/0316522

     
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