Journal Article/Contribution to a conference proceedings GSI-2025-01010

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$\Sigma^{0}$ reconstruction in Ag+Ag collisions at 1.58~AGeV with the HADES experiment



2024
EDP Sciences Les Ulis

30th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023), HoustonHouston, USA, 3 Sep 2023 - 9 Sep 20232023-09-032023-09-09 The European physical journal / Web of Conferences 296, 12002 () [10.1051/epjconf/202429612002]

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Abstract: In this contribution we will discuss the production of $\Sigma^{0}$ baryons in Ag+Ag collisions at $1.58 \, A\text{GeV}$ beam energy measured by HADES. The experimental upgrade with an electromagnetic calorimeter enables a clear reconstruction of the $\Sigma^{0}$. The first sub-threshold $\Sigma^{0}$ production in A+A collisions is compared to available $p+p$ data as well as transport calculations and statistical hadronisation models.

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 Record created 2025-09-05, last modified 2025-09-05