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Heavy quark production and gluon saturation in double parton scattering at LHC
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Heavy quark production and gluon saturation in double parton scattering at LHC
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The production of $c\bar{c}c\bar{c}$, $b\bar{b}b\bar{b}$ and $c\bar{c}b\bar{b}$ pairs considering double parton scattering at LHC energies is investigated. We estimate the contribution of saturation effects to the different final states and predict the energy dependence of the cross sections. Moreover, we estimate the ratio between the double and single parton scattering cross sections for the full rapidity range of the LHC and for the rapidity range of the LHCb experiment. For the full rapidity range we confirm a previous prediction, namely that for charm production the double parton scattering contribution becomes comparable with the single parton scattering one at LHC energies. We also demonstrate that this result remains valid when one introduces saturation effects in the calculations. Finally we show that the production of $c\bar{c}b\bar{b}$ contributes significantly to bottom production. For the LHCb kinematical range the ratio is strongly reduced.
Forward citations
Cited by 1 Pith paper
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DPS mechanism for associated $c\bar c b\bar b$ production in $AA$ UPCs
Derives photon-energy dependent DPS effective cross section for c c-bar b b-bar production in AA UPCs and provides LHC/FCC predictions plus A dependence.
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