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Abstract <p>The ALICE experiment at the LHC is designed to explore the properties of the quark–gluon plasma—hot and dense medium produced in ultrarelativistic heavy-ion collisions. The photon spectrometer (PHOS) of the ALICE experiment is a high-granularity electromagnetic PbWO<InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3543_Article_IEq3.gif" Format="GIF" Height="10" Rendition="HTML" Resolution="72" Type="Linedraw" Width="8" /> </InlineMediaObject> <EquationSource Format="TEX">\({}_{4}\)</EquationSource> <!--NuclPhys2560006Averyanov-m3--> </InlineEquation> crystal calorimeter which is intended to measure neutral meson spectra and direct photons in different colliding systems. We report an overview of the PHOS performance during Run 2 and Run 3 and present recent results from ALICE on the neutral meson measurements in pp and p–Pb collisions.</p>

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Performance of the Electromagnetic Calorimeter ALICE/PHOS and Neutral Meson Production Results

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • Dmitry Averyanov

摘要

Abstract

The ALICE experiment at the LHC is designed to explore the properties of the quark–gluon plasma—hot and dense medium produced in ultrarelativistic heavy-ion collisions. The photon spectrometer (PHOS) of the ALICE experiment is a high-granularity electromagnetic PbWO \({}_{4}\) crystal calorimeter which is intended to measure neutral meson spectra and direct photons in different colliding systems. We report an overview of the PHOS performance during Run 2 and Run 3 and present recent results from ALICE on the neutral meson measurements in pp and p–Pb collisions.