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Exploring time like tranistions in pp, pi p and AA reactions with HADES
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SYSNO ASEP 0541145 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Exploring time like tranistions in pp, pi p and AA reactions with HADES Author(s) Salabura, P. (PL)
Adamczewski-Musch, J. (DE)
Arnoldi-Meadows, B. (DE)
Chlad, Lukáš (UJF-V) RID, ORCID, SAI
Chudoba, Petr (UJF-V) RID, ORCID
Kugler, Andrej (UJF-V) RID, ORCID, SAI
Prozorov, Alexandr P. (UJF-V) ORCID, SAI
Rodriguez Ramos, Pablo (UJF-V)
Svoboda, Ondřej (UJF-V) RID, ORCID, SAI
Tlustý, Pavel (UJF-V) ORCID, SAI
Wagner, Vladimír (UJF-V) RID, ORCID, SAINumber of authors 111 Article number 01013 Source Title EPJ Web of Conferences, 12th International Workshop on the Physics of Excited Nucleons (NSTAR 2019), 241. - Les Ulis : E D P Sciences, 2020 - ISSN 2100-014X Number of pages 10 s. Publication form Print - P Action 12th International Workshop on the Physics of Excited Nucleons (NSTAR 2019) Event date 10.06.2019 - 14.06.2019 VEvent location Bonn Country DE - Germany Event type WRD Language eng - English Country FR - France Keywords HADES ; nucleon ; QCD Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders OECD category Particles and field physics R&D Projects LM2015049 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) EF16_013/0001677 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LTT17003 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UJF-V - RVO:61389005 UT WOS 000623161300013 DOI 10.1051/epjconf/202024101013 Annotation Radiative transition of an excited baryon to a nucleon with emission of a virtual massive photon converting to dielectron pair (Dalitz decays) provides important information about baryon-photon coupling at low q(2) in timelike region. A prominent enhancement in the respective electromagnetic transition FormFactors (etFF) at q(2) near vector mesons rho/omega poles has been predicted by various calculations reflecting strong baryon-vector meson couplings. The understanding of these couplings is also of primary importance for the interpretation of the emissivity of QCD matter studied in heavy ion collisions via dilepton emission. Dedicated measurements of baryon Dalitz decays in proton-proton and pion-proton scattering with HADES detector at GSI/FAIR are presented and discussed. The relevance of these studies for the interpretation of results obtained from heavy ion reactions is elucidated on the example of the HADES results. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2021
Number of the records: 1