Electroweak bosons, W$^{\pm}$ and Z$^{0}$, are massive weakly-interacting particles insensitive to the strong interaction. Therefore, they are unique probes in pp and heavy-ion collisions and provide a medium-blind probe of the initial state of the heavy-ion collision.
In the ALICE experiment, the productions of W$^{\pm}$ and Z$^{0}$ are studied by exploiting their leptonic decay channels in a wide rapidity region.
In this contribution, the differential cross sections for W$^{\pm}$ and Z$^{0}$ in pp collisions at $\sqrt{s}=$ 13 TeV, p--Pb collisions at $\sqrt{s_{\mathrm{NN}}}=$ 8.16 TeV and Pb--Pb collisions at $\sqrt{s_{\mathrm{NN}}}=$ 5.02 TeV are reported. The charged particle multiplicity dependence of W bosons and the associated hadrons production in pp collisions at $\sqrt{s}=$ 13 TeV is also shown.
Volume 438 -
11th International Conference on Hard and Elecctromagnetic Probes of High-Energy Nuclear Collisions (HardProbes2023) -
Electromagnetic and electroweak probes
Electroweak-boson measurements from small to large collision systems with ALICE at the LHC
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Published on:
February 16, 2024
Abstract
DOI: https://doi.org/10.22323/1.438.0063
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.