# ICHEP 2022

Jul 6 – 13, 2022
Bologna, Italy
Europe/Rome timezone

## D-meson average production analysis as a function of multiplicity in pp collisions at $\sqrt{s}$ = 13 TeV with ALICE at the LHC

Jul 8, 2022, 7:05 PM
1h 25m
Bologna, Italy

#### Bologna, Italy

Palazzo della Cultura e dei Congressi
Poster Strong interactions and Hadron Physics

### Speaker

Marco Giacalone (Istituto Nazionale di Fisica Nucleare)

### Description

Production measurements of heavy quarks in pp collisions provide a stringent test to pQCD calculations. Analysing their production as a function of charged particle multiplicity allows us to study multi-parton interactions, which are expected to have a relevant role in charged particle production at high energy at the LHC. Moreover, the comparison with theoretical models allows investigating the contribution of colour reconnection in hadronization mechanisms of heavy flavours.

In this poster, the average D-meson (D$^0$, D$^+$, D*$^+$) production measurements as a function of multiplicity in pp collisions at $\sqrt{s}$ = 13 TeV will be presented. The results will be compared with similar studies for other particle species, with D-meson measurements performed at $\sqrt{s}$ = 7 TeV, and with results from Monte Carlo event generators.

In-person participation Yes

### Primary author

Marco Giacalone (Istituto Nazionale di Fisica Nucleare)