Measurement of low-mass e + e − pair production in 1 and 2 A GeV C–C collision with HADES
- 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.
- 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.
DOIAbstract
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. 62 1 81 84 Cited By :
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