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@INPROCEEDINGS{Sumara:361803,
      author       = {Sumara, Konrad},
      title        = {{P}roduction and decays of hyperons in p+p reactions
                      measured with {HADES}},
      journal      = {The European physical journal / Web of Conferences},
      volume       = {291},
      issn         = {2100-014X},
      address      = {Les Ulis},
      publisher    = {EDP Sciences},
      reportid     = {GSI-2025-01008},
      pages        = {05008 -},
      year         = {2024},
      abstract     = {Preliminary results of inclusive $\sigma^{+}(1385)$
                      production in $p + p$ reactions at $E_{\text{beam}} = 4.5 \
                      \text{GeV}$ and $\Lambda(1520)$ in $p + p$ and $p +
                      \text{Nb}$ at $E_{\text{beam}} = 3.5 \ \text{GeV}$ are
                      presented. Both measurements were performed by the HADES
                      (\emph{High Acceptance Di-Electron Spectrometer}) experiment
                      at FAIR/GSI. The analysis consisted of multiple steps
                      including track reconstruction, particle identification and
                      the reconstruction of the hyperon signal from their hadronic
                      decays $\Lambda(1520) \rightarrow \Lambda \pi^{+} \pi^{-}$
                      and $\sigma^{+}(1385) \rightarrow \Lambda \pi^{+}$. The main
                      part of the analysis, which is signal/background
                      classification, was performed utilizing Machine Learning
                      methods. The employed method relied on a data-driven
                      approach called ``Classification Without Labels'' and the
                      Multilayer Perceptron style Artificial Neural Networks. The
                      analysis resulted in reconstruction of the resonance
                      distributions for both $\sigma^{+}(1385)$ and
                      $\Lambda(1520)$, and allowed for the extraction of
                      parameters of the relativistic Breit-Wigner
                      distributions.\end{abstract}},
      month         = {Jun},
      date          = {2023-06-17},
      organization  = {17th International Workshop on Meson
                       Physics, Krakow (French Polynesia), 17
                       Jun 2023 - 22 Jun 2023},
      ddc          = {530},
      experiment   = {EXP:(DE-Ds200)FAIR-Facility},
      typ          = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8},
      doi          = {10.1051/epjconf/202429105008},
      url          = {https://repository.gsi.de/record/361803},
}