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Production and electromagnetic decay of hyperons: a feasibility study with HADES as a phase-0 experiment at FAIR

Autor
Matulewicz, Tomasz
Piasecki, Krzysztof
Prozorov, A.
Pietraszko, J.
Pfeifer, D.
Pauly, C.
Pechenov, V.
Reznikov, S.
Patel, V.
Reshetin, A.
Data publikacji
2021
Abstrakt (EN)

A feasibility study has been performed in order to investigate the performance of the HADES detector to measure the electromagnetic decays of the hyperon resonances Σ(1385) <sup>0</sup>, Λ(1405) and Λ(1520) as well as the production of double strange baryon systems Ξ<sup>-</sup> and ΛΛ in p + p reactions at a beam kinetic energy of 4.5GeV. The existing HADES detector will be upgraded by a new Forward Detector, which extends the detector acceptance into a range of polar angles that plays a crucial role for these investigations. The analysis of each channel is preceded by a consideration of the production cross-sections. Afterwards the expected signal count rates using a target consisting of either liquid hydrogen or polyethylene are summarized.

Słowa kluczowe EN
HADES
forward spectrometer
upgrade
Dyscyplina PBN
nauki fizyczne
Czasopismo
European Physical Journal A
Tom
57
Zeszyt
4
Strony od-do
138 (21 stron)
ISSN
1434-6001
Data udostępnienia w otwartym dostępie
2021-04-20
Licencja otwartego dostępu
Uznanie autorstwa