Measurement of low-mass e + e - Pair production in 1 and 2A GeV C-C collision with HADES
Date
2009Author
Krücken, R.Sudol, M.
Agakishiev, G.
Agodi, C.
Bałanda, A.
Bellia, G.
Belver, D.
Belyaev, A.
Bielčík, Jaroslav
Blanco, A.
Bortolotti, A.
Boyard, J. L.
Braun-Munzinger, P.
Cabanelas, Pablo
Chernenko, S.
Christ, T.
Coniglione, R.
Destefanis, M.
Diáz, J.
Dohrmann, F.
Durán, I.
Dybczak, A.
Eberl, T.
Fabbietti, L.
Fateev, O.
Ferreira-Marques, R.
Finocchiaro, P.
Fonte, P.
Friese, J.
Fröhlich, I.
Galatyuk, T.
Garzón, J. A.
Gernhäuser, R.
Gil, A.
Gilardi, C.
Golubeva, M.
González-Díaz, D.
Grosse, E.
Guber, F.
Heilmann, M.
Heinz, T.
Hennino, T.
Holzmann, R.
Ierusalimov, A.
Iori, I.
Ivashkin, A.
Jurkovic, M.
Kämpfer, B.
Kanaki, K.
Karavicheva, T.
Kirschner, D.
Koenig, I.
Koenig, W.
Kolb, B. W.
Kotte, R.
Kozuch, A.
Krása, Antonín
Křížek, F.
Kühn, W.
Kugler, A.
Kurepin, A.
Lamas-Valverde, J.
Lang, S.
Lange, J. S.
Lapidus, K.
Lopes, L.
Lorenz, M.
Maier, L.
Maiolino, C.
Mangiarotti, A.
Marín, J.
Markert, J.
Metag, V.
Michalska, B.
Michel, J.
Morinière, E.
Mousa, J.
Münch, M.
Müntz, C.
Naumann, L.
Novotny, R.
Otwinowski, J.
Pachmayer, Y. C.
Palka, M.
Parpottas, Yiannis
Pechenov, V.
Pechenova, O.
Pérez Cavalcanti, T.
Piattelli, P.
Pietraszko, J.
Pospíšil, V.
Przygoda, W.
Ramstein, B.
Reshetin, A.
Roy-Stephan, M.
Rustamov, A.
Sadovsky, A.
Sailer, B.
Salabura, P.
Sapienza, P.
Schmah, A.
Schroeder, C.
Schwab, E.
Simon, R.
Sobolev, Y. G.
Spataro, S.
Spruck, B.
Ströbele, H.
Stroth, J.
Sturm, C.
Tarantola, A.
Teilab, K.
Tlustý, P.
Traxler, M.
Trebacz, R.
Tsertos, Haralambos
Wagner, V.
Weber, M.
Wisniowski, M.
Wojcik, T.
Wüstenfeld, J.
Yurevich, S.
Zanevsky, Y.
Zhou, P.
Zumbruch, P.
ISSN
1434-6044Source
European Physical Journal CVolume
62Issue
1Pages
81-84Google Scholar check
Metadata
Show full item recordAbstract
HADES is a secondary generation experiment operated at GSI Darmstadt with the main goal to study dielectron production in proton, pion and heavy ion induced reactions. The first part of the HADES mission is to reinvestigate the puzzling pair excess measured by the DLS collaboration in C+C and Ca+Ca collisions at 1A GeV. For this purpose dedicated measurements with the C+C system at 1 and 2A GeV were performed. The pair excess above a cocktail of free hadronic decays has been extracted and compared to the one measured by DLS. Furthermore, the excess is confronted with predictions of various model calculations. © 2009 Springer-Verlag / Società Italiana di Fisica.