Perturbative QCD study of initial and final state effects in hadronic and nuclear collisions
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University of JyväskyläISBN
978-951-39-3158-2ISSN Search the Publication Forum
0075-465XMetadata
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- Väitöskirjat [3586]
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Next-to-leading order perturbative QCD predictions for exclusive J/ψ photoproduction in oxygen-oxygen and lead-lead collisions at energies available at the CERN Large Hadron Collider
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Exclusive J/ψ photoproduction in ultraperipheral Pb+Pb collisions at the CERN Large Hadron Collider calculated at next-to-leading order perturbative QCD
Eskola, K. J.; Flett, C. A.; Guzey, V.; Löytäinen, T.; Paukkunen, H. (American Physical Society (APS), 2022)We present the first next-to-leading-order (NLO) perturbative QCD (pQCD) study of rapidity-differential cross sections of coherent exclusive photoproduction of J/ψ mesons in heavy-ion ultraperipheral collisions (UPCs) at ... -
Event-by-event fluctuations in a perturbative QCD + saturation + hydrodynamics model: Determining QCD matter shear viscosity in ultrarelativistic heavy-ion collisions
Niemi, Harri; Eskola, Kari; Paatelainen, Risto (American Physical Society, 2016)We introduce an event-by-event perturbative-QCD + saturation + hydro (“EKRT”) framework for ultrarelativistic heavy-ion collisions, where we compute the produced fluctuating QCD-matter energy densities from next-to-leading-order ... -
Nucleon dissociation and incoherent J/ψ photoproduction on nuclei in ion ultraperipheral collisions at the CERN Large Hadron Collider
Guzey, Vadim; Strikman, M.; Zhalov, M. (American Physical Society, 2019)Using the general notion of cross section fluctuations in hadron-nucleus scattering at high energies, we derive an expression for the cross section of incoherent J / ψ photoproduction on heavy nuclei d σ γ A ... -
Neutron-skin effect in direct-photon and charged-hadron production in Pb+Pb collisions at the LHC
Helenius, Ilkka; Paukkunen, Hannu; Eskola, Kari (Springer, 2017)A well-established observation in nuclear physics is that in neutron-rich spherical nuclei the distribution of neutrons extends farther than the distribution of protons. In this work, we scrutinize the influence of this ...