# Multiplicity dependence for the production of strange hadrons and charged particles in proton-proton collisions

## TL;DR

This paper investigates how strange hadron production and transverse momentum distributions depend on charged particle multiplicity in proton-proton collisions at 13 TeV, revealing that strange hadron yields increase faster with multiplicity than charged particles.

## Contribution

It presents new measurements of strange hadron production as a function of multiplicity in pp collisions at 13 TeV, highlighting the multiplicity dependence of strangeness production.

## Key findings

- Strange hadron yields increase faster than charged particles with multiplicity.
- Higher strangeness content correlates with a more pronounced increase.
- Multiplicity density rises steeply with energy for high multiplicity events.

## Abstract

In this contribution, the production rates and the transverse momentum distributions of strange hadrons are reported as a function of charged particle multiplicity. In this analysis, the data collected in proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ALICE detector at the LHC are used. It is found that the production rate of $K_{S}^{0}$, $\Lambda$, $\Xi^{\pm}$, and $\Omega$ increases with multiplicity faster than that for charged particles. The higher the strangeness content of the hadron, the more pronounced is the increase. Moreover, the energy and multiplicity dependence of charged particle production in pp collisions are presented and the results are compared to predictions from Monte Carlo (MC) event generators. It turns out that the average multiplicity density increases steeply with center-of-mass energy for high multiplicity classes.