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Probing double parton scattering via associated open charm and bottom production in ultraperipheral pA collisions
- 1.0511830 - ÚJF 2020 RIV US eng J - Článek v odborném periodiku
Huayra, E. - de Oliveira, E. G. - Pasechnik, Roman
Probing double parton scattering via associated open charm and bottom production in ultraperipheral pA collisions.
European Physical Journal C. Roč. 79, č. 10 (2019), č. článku 880. ISSN 1434-6044. E-ISSN 1434-6052
Grant CEP: GA MŠMT(CZ) LTT17018
Institucionální podpora: RVO:61389005
Klíčová slova: LHC * double-patron scattering
Obor OECD: Particles and field physics
Impakt faktor: 4.389, rok: 2019
Způsob publikování: Open access
https://doi.org/10.1140/epjc/s10052-019-7388-x
In this article, we propose a novel channel for phenomenological studies of the double-parton scattering (DPS) based upon associated production of charm c (c) over bar and bottom b (b) over bar quark pairs in well-separated rapidity intervals in ultraperipheral high-energy proton-nucleus collisions. This process provides direct access to the double-gluon distribution in the proton at small-x and enables one to test the factorized DPS pocket formula. We have made the corresponding theoretical predictions for the DPS contribution to this process at typical LHC energies and beyond and we compute the energy-independent (but photon momentum fraction dependent) effective cross section.
Trvalý link: http://hdl.handle.net/11104/0302073
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