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A new approach to modelling elastic and inelastic photon-initiated production at the LHC: SuperChic 4

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    0538784 - FZÚ 2021 RIV DE eng J - Článek v odborném periodiku
    Harland-Lang, L. A. - Taševský, Marek - Khoze, V.A. - Ryskin, M.G.
    A new approach to modelling elastic and inelastic photon-initiated production at the LHC: SuperChic 4.
    European Physical Journal C. Roč. 80, č. 10 (2020), s. 1-14, č. článku 925. ISSN 1434-6044. E-ISSN 1434-6052
    Grant CEP: GA MŠk(CZ) LTT17018
    Výzkumná infrastruktura: CERN-CZ II - 90104
    Institucionální podpora: RVO:68378271
    Klíčová slova: CERN LHC Coll * hadronization * structure function
    Kód oboru RIV: BF - Elementární částice a fyzika vys. energií
    Obor OECD: Particles and field physics
    Impakt faktor: 4.590, rok: 2020
    http://hdl.handle.net/11104/0316514

    We present the results of the new SuperChic 4 Monte Carlo implementation of photon-initiated production in proton–proton collisions, considering as a first example the case of lepton pair production. This is based on the structure function calculation of the underlying process, and focusses on a complete account of the various contributing channels, including the case where a rapidity gap veto is imposed. We provide a careful treatment of the contributions where either (single dissociation), both (double dissociation) or neither (elastic) proton interacts inelastically and dissociates, and interface our results to Pythia for showering and hadronization. The particle decay distribution from dissociation system, as well the survival probability for no additional proton–proton interactions, are both fully accounted for these are essential for comparing to data where a rapidity gap veto is applied.
    Trvalý link: http://hdl.handle.net/11104/0316514
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