Exploring time like tranistions in pp, πp and AA reactions with HADES

Salabura, Piotr; Lebedev, A.; Naumann, L.; Kulesa, P.; Chlad, L.; Przygoda, W.; Otto, J.-H.; Guber, F.; Höhne, C.; Huck, H.; Kardan, B.; Szala, M.; Fabbietti, L.; Blanco, A.; Kotte, R.; Malige, A.; Pechenov, V.; Stroth, J.; Ungethüm, C.; Pechenova, O.; Traxler, M.; Greifenhagen, R.; Lykasov, G.; Petukhov, O.; Pauly, C.; Ramstein, B.; Gumberidze, M.; Reshetin, A.; Belounnas, A.; Metag, V.; Chudoba, P.; Kornas, F.; Kozela, A.; Dittert, D.; Golosov, O.; Spies, S.; Seck, F.; Wagner, V.; Müntz, C.; Ierusalimov, A.; Pietraszko, J.; Rost, A.; Wiebusch, M. G.; Markert, J.; Galatyuk, T.; Hensch, R.; Kampert, K-H.; Fröhlich, Brian; Ciepał, I.; Förtsch, J.; Salabura, P.; Morozov, S.; Fateev, S.; Kornakov, G.; Kämpfer, B.; Arnoldi-Meadows, B.; Kügler, Patrick; Matulewicz, T.; Scozzi, F.; Kres, I.; Lebedev, S.; Linev, S.; Pysz, K.; Zhilin, A.; Borisenko, S.; Rodriguez-Ramos, P.; Holzmann, R.; Friese, J.; Koenig, I.; Stumm, J.; Piasecki, K.; Fonte, P.; Harabasz, S.; Böhmer, M.; Wendisch, C.; Dreyer, J.; Esmail, W.; Lalik, R.; Weber, A. A.; Dürr, M.; Blume, C.; Mahmoud, T.; Smyrski, J.; Lopes, L.; Ivashkin, A.; Wirth, J.; Koenig, W.; Tlusty, P.; Maurus, S.; Shabanov, I.; Nowakowski, K.; Vazquez-Doce, O.; Gernhäuser, R.; Ladygin, V.; Ritman, L.; Adamczewski-Musch, J.; Patel, V.; Michel, J.; Pfeifer, D.; Singh, US; Prozorov, A.; Svoboda, O.; Wintz, P.; Ströbele, H.; Selyuzhenkov, I.; Lorenz, M.; Rathod, N.; Belyaev, A.; Kuboś, J.; Zumbruch, P.; Golubeva, M.

doi:10.1051/epjconf/202024101013

Contribution to a conference proceedings/Contribution to a book

FZJ-2020-04414

Exploring time like tranistions in pp, πp and AA reactions with HADES

Salabura, P. ; Adamczewski-Musch, J. ; Arnoldi-Meadows, B. ; Belounnas, A. ; Belyaev, A. ; Blanco, A. ; Blume, C. ; Böhmer, M. ; Borisenko, S. ; Chlad, L. ; Chudoba, P. ; Ciepał, I. ; Dittert, D. ; Dreyer, J.FZJ* ; Esmail, W. (Corresponding author)FZJ* ; Dürr, M. ; Fabbietti, L. ; Fateev, S. ; Fonte, P. ; Friese, J.FZJ* ; Fröhlich, B.FZJ* ; Förtsch, J. ; Galatyuk, T. ; Gernhäuser, R. ; Golosov, O. ; Golubeva, M. ; Greifenhagen, R. ; Guber, F. ; Gumberidze, M. ; Harabasz, S. ; Hensch, R. ; Höhne, C. ; Holzmann, R. ; Huck, H. ; Ierusalimov, A. ; Ivashkin, A. ; Kämpfer, B. ; Kampert, K.-H. ; Kardan, B. ; Koenig, I. ; Koenig, W. ; Kornakov, G. ; Kornas, F. ; Kotte, R. ; Kozela, A. ; Kres, I. ; Kuboś, J. ; Kügler, P.FZJ* ; Kulesa, P. ; Ladygin, V. ; Lalik, R. ; Lebedev, A. ; Lebedev, S. ; Linev, S. ; Lopes, L. ; Lorenz, M.FZJ* ; Lykasov, G. ; Mahmoud, T. ; Malige, A. ; Markert, J. ; Matulewicz, T. ; Maurus, S. ; Metag, V. ; Michel, J. ; Morozov, S. ; Müntz, C. ; Naumann, L. ; Nowakowski, K. ; Otto, J.-H. ; Patel, V. ; Pauly, C. ; Pechenov, V. ; Pechenova, O. ; Petukhov, O. ; Pfeifer, D. ; Piasecki, K. ; Pietraszko, J. ; Prozorov, A. ; Przygoda, W. ; Pysz, K. ; Ramstein, B. ; Rathod, N. ; Reshetin, A. ; Ritman, L. ; Rodriguez-Ramos, P. ; Rost, A.FZJ* ; Salabura, P. (Corresponding author) ; Scozzi, F. ; Seck, F. ; Selyuzhenkov, I. ; Shabanov, I. ; Singh, U. ; Smyrski, J. ; Spies, S. ; Ströbele, H. ; Stroth, J. ; Stumm, J. ; Svoboda, O. ; Szala, M. ; Tlusty, P. ; Traxler, M. ; Ungethüm, C. ; Vazquez-Doce, O. ; Wagner, V.FZJ* ; Weber, A. A.FZJ* ; Wendisch, C. ; Wiebusch, M. G. ; Wintz, P.FZJ* ; Wirth, J. ; Zhilin, A. ; Zumbruch, P.

2020

Exploring time like tranistions in pp, πp and AA reactions with HADES
The 12th International Workshop on the Physics of Excited Nucleons (NSTAR 2019), Jülich, Germany, 22 Sep 2020 - 22 Sep 2020 241(EPJ Web Conf.), 10 pp. (2020) [10.1051/epjconf/202024101013]

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Please use a persistent id in citations: http://hdl.handle.net/2128/26165 doi:10.1051/epjconf/202024101013

Abstract: 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 q2 in timelike region. A prominent enhancement in the respective electromagnetic transition Form Factors (etFF) at q2 near vector mesons ρ/ω 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.

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