Abstract
In this proceedings first results of an inclusive measurement of the Σ(1385) + resonance produced in the proton-proton reaction at the beam kinetic energy of 3.5 GeV are presented. Mass of the Σ(1385)+ resonance extracted from a fit with the Breit-Wigner function is found to be M0 = 1380.02 MeV with a fixed width of Γ = 40MeV resulting from the previous exclusive measurements done by HADES. The presented analysis is a first trial to obtain the inclusive cross section for the production of the first-excited state of the Σ hyperon in elementary collisions at SIS energy range. The inclusive cross section is important for studies of the hyperon electromagnetic decays, which are one of the main fields of interest of the HADES experimental program during the FAIR-Phase0.
Published Version
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