| Preprint | |
| Report number | arXiv:2205.07196 |
| Title | Charm Quark Hadronisation Studies In pp Collisions With ALICE |
| Author(s) | Wilkinson, Jeremy (Darmstadt, GSI) |
| Collaboration | ALICE Collaboration |
| Imprint | 2022-05-15 |
| Number of pages | 4 p, 4 |
| Note | Contribution to the 2022 QCD session of the 56th Rencontres de Moriond |
| Presented at | 56th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 19 - 26 Mar 2022, pp. |
| Subject category | hep-ex ; Particle Physics - Experiment |
| Accelerator/Facility, Experiment | CERN LHC ; ALICE |
| Abstract | In this contribution, the latest results for measurements of charm baryons in proton--proton collisions at $\sqrt{s}=5.02$ and $13\,\mathrm{TeV}$ are presented. The production yields of $\Lambda_\mathrm{c}^{+}$, $\Xi_\mathrm{c}^{0,+}$, $\Omega_\mathrm{c}^{0}$, and $\Sigma_\mathrm{c}^{0,++}$ are shown along with their yield ratios to $\mathrm{D}^{0}$ mesons, and observations about charm hadronisation with respect to previous results from lepton colliders are discussed. Further differential measurements are shown of the $\Lambda_\mathrm{c}^{+}/\mathrm{D}^{0}$ yield ratio as a function of charged-particle multiplicity. For the first time, the production of $\Lambda_\mathrm{c}^{+}$ is presented in pp collisions down to $p_\mathrm{T} = 0$, and the total charm production cross section and relative charm hadronisation fractions in p--Pb collisions are computed. |
| Other source | Inspire |
| Copyright/License | preprint: (License: CC BY 4.0) |
Notice créée le 2022-05-19, modifiée le 2023-01-31
