Production of two $c \bar c$ pairs in double-parton scattering
Marta Luszczak, Rafal Maciula, Antoni Szczurek
TL;DR
This paper predicts large cross sections for producing two charm-anticharm pairs via double-parton scattering at LHC energies, comparable to single-parton scattering, and discusses how to identify this contribution.
Contribution
It introduces a simple formalism for double-parton scattering producing two $c ar c$ pairs and predicts unexpectedly large cross sections at LHC energies.
Findings
Large cross sections for double charm production predicted
Comparable magnitude of DPS and SPS contributions at LHC energies
Proposed methods to identify double scattering events
Abstract
We discuss production of two pairs of within a simple formalism of double-parton scattering (DPS). Surprisingly very large cross sections, comparable to single-parton scattering (SPS) contribution, are predicted for LHC energies. Both total inclusive cross section as a function of energy and differential distributions for are shown. We discuss a perspective how to identify the double scattering contribution.
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