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17–24 Jul 2024
Prague
Europe/Prague timezone

Multiplicity dependent and inside-jet measurement of light neutral mesons in pp collisions with ALICE

18 Jul 2024, 12:00
15m
North Hall

North Hall

Parallel session talk 06. Strong Interactions and Hadron Physics Strong interactions and Hadron Physics

Speaker

Stephan Friedrich Stiefelmaier (Heidelberg University (DE))

Description

This talk presents the ALICE measurements of $\pi^{0}$, $\eta$, and $\omega$ meson production in pp collisions at 13 TeV. The results are given for several multiplicity classes, each for an unprecedented $p_{\rm T}$ coverage. Furthermore, the measurement of $\pi^{0}$ and $\eta$ mesons inside of jets will be shown.

ALICE measurements of neutral meson production in pp, p+Pb and Pb+Pb collisions give constraints to parton distribution functions (PDF) and FF, and provide essential background corrections for direct photon and dilepton analyses.
Observables previously attributed to the formation of a QGP in Pb–Pb have been measured in high-multiplicity pp and p–Pb collisions by ALICE and CMS, suggesting a continuous evolution from small to large collision systems. In addition, the correlation of neutral mesons and jets measured in pp collisions provides constraints on the meson FF.

Alternate track 07. Heavy Ions
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Primary author

Stephan Friedrich Stiefelmaier (Heidelberg University (DE))

Co-author

Presentation materials