Associated production of $D$-mesons with jets at the LHC

TL;DR

This paper analyzes the production of D-mesons with jets at the LHC, highlighting regions where double-parton scattering dominates over single-parton scattering, and suggests experimental observables to identify these effects.

Contribution

It introduces a detailed calculation of charm and dijet production using the $k_T$-factorization approach, emphasizing the significance of DPS in certain phase space regions.

Findings

DPS can dominate SPS in specific phase space regions.

Transverse momentum and azimuthal distributions can identify DPS effects.

Certain observables are sensitive to DPS contributions.

Abstract

We present several differential distributions for the associated production of charm and dijets. Both single-parton scattering (SPS) and double-parton scattering (DPS) contributions are calculated in the $k_T$-factorization approach. We have found regions of the phase space where the SPS contribution is negligible compared to the DPS one. The distribution in transverse momentum of charmed mesons as well as azimuthal correlations ($D^0\mathrm{\textit{-jet}}$, $D^0 \overline{D^0}$) can be used for experimental identification of the DPS effects.