Speaker
Description
Among the most iconic results of Run 1 and Run 2 of the LHC is the observation of enhanced production of (multi-)strange to non-strange hadron yields, gradually rising from low-multiplicity to high-multiplicity pp or p--Pb collisions and reaching values close to those measured in peripheral Pb--Pb collisions. More insightful information about the production mechanism could be provided by measuring the full Probability Density Function (PDF) for the production of each strange particle species and investigating if any deviation from pure uncorrelated statistical behavior is observed.
Using a novel method based on counting the number of strange particles event-by-event, it was possible to extend the study of strangeness production beyond the average of the distribution and to test the connection between charged and strange particle multiplicity production.
In this contribution, new ALICE preliminary results on the full PDF for the production of $K^{0}_{S}$, $\Lambda$, $\Xi^{-}$ and $\Omega^{-}$ in pp collisions at $\sqrt{s}$ = 5.02 TeV as a function of the multiplicity together with the average probability for the production yield of more than one particle are presented. The results are compared to state-of-the-art phenomenological models implemented in commonly-used Monte Carlo event generators.
