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Meson and di-electron production with HADES

Authors :
Fröhlich, I.
Agakishiev, G.
Agodi, C.
Balanda, A.
Bellia, G.
Belver, D.
Belyaev, A.
Blanco, A.
Böhmer, M.
Boyard, J. L.
Braun-Munzinger, P.
Cabanelas, P.
Castro, E.
Chernenko, S.
Christ, T.
Destefanis, M.
Díaz, J.
Dohrmann, F.
Dybczak, A.
Eberl, T.
Fabbietti, L.
Fateev, O.
Finocchiaro, P.
Fonte, P.
Friese, J.
Galatyuk, T.
Garzón, J. A.
Gernhäuser, R.
Gil, A.
Gilardi, C.
Golubeva, M.
González-Díaz, D.
Grosse, E.
Guber, F.
Heilmann, M.
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, A.
Krizek, F.
Krücken, R.
Kühn, W.
Kugler, A.
Kurepin, A.
Lamas-Valverde, J.
Lang, S.
Lange, J. S.
Lapidus, K.
Lopes, L.
Maier, L.
Mangiarotti, A.
Marín, J.
Markert, J.
Metag, V.
Michalska, B.
Michel, J.
Mishra, D.
Morinière, E.
Mousa, J.
Müntz, C.
Naumann, L.
Novotny, R.
Otwinowski, J.
Pachmayer, Y. C.
Palka, M.
Parpottas, Y.
Pechenov, V.
Pechenova, O.
Pérez Cavalcanti, T.
Pietraszko, J.
Przygoda, W.
Ramstein, B.
Reshetin, A.
Roy-Stephan, M.
Rustamov, A.
Sadovsky, A.
Sailer, B.
Salabura, P.
Schmah, A.
Simon, R.
Spataro, S.
Spruck, B.
Ströbele, H.
Stroth, J.
Sturm, C.
Sudol, M.
Tarantola, A.
Teilab, K.
Tlusty, P.
Traxler, M.
Trebacz, R.
Tsertos, H.
Veretenkin, I.
Wagner, V.
Wen, H.
Wisniowski, M.
Wojcik, T.
Wüstenfeld, J.
Yurevich, S.
Zanevsky, Y.
Zhou, P.
Zumbruch, P.
Source :
arXiv:0809.2764: http://de.arxiv.org/abs/0809.2764, MESON2008, 10th International Workshop On Meson Production, Properties And Interaction, 06.-10.06.2008, Cracow, PolandInt. J. Mod. Phys. A 24 (2009) 317-326, Singapore: World Scientific Publ., ISSN: 0217-751X
Publication Year :
2008

Abstract

The HADES experiment, installed at GSI, Darmstadt, measures di-electron production in A+A, p/pi+N and p/pi+A collisions. Here, the pi0 and eta Dalitz decays have been reconstructed in the exclusive p+p reaction at 2.2 GeV to form a reference cocktail for long-lived di-electron sources. In the C+C reaction at 1 and 2 GeV/u, these long-lived sources have been subtracted from the measured inclusive e+e- yield to exhibit the signal from the early phase of the collision. The results suggest that resonances play an important role in dense nuclear matter.

Subjects

Subjects :
High Energy Physics::Experiment
Nuclear Experiment

Details

Language :
English
Database :
OpenAIRE
Journal :
arXiv:0809.2764: http://de.arxiv.org/abs/0809.2764, MESON2008, 10th International Workshop On Meson Production, Properties And Interaction, 06.-10.06.2008, Cracow, PolandInt. J. Mod. Phys. A 24 (2009) 317-326, Singapore: World Scientific Publ., ISSN: 0217-751X
Accession number :
edsair.dedup.wf.001..02de9c3ca97e3e443ab58970965a163a

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