Speaker
Description
In the recent years ALICE has carried out many measurements of the production of light nuclei in pp and p-Pb collisions and at different energies. A clear dynamics with multiplicity arises when combining all these measurements, however the theory interpretation of this evolution is still debated. In this presentation, the measurements of the ratio between the production yields of nuclei and protons and of the coalescence parameters $B_2$ and $B_3$ as a function of multiplicity are shown and compared with the prediction of the statistical hadronisation model and of the coalescence model. Moreover, the measurement of the coalescence parameters $B_2$ and $B_3$ in high-multiplicity pp collisions as a function of the transverse momentum are compared with theoretical predictions that take into account both the form of the nuclear wavefunction and the dependence of the source size on the transverse momentum of the nucleons. Finally, by comparing the production of (anti)deuterons in-jet and out-of-jet, it has been possible to observe an increase of nuclear production due to the collimated emission of nucleons.
| In-person participation | Yes |
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