Authors: Krücken, R., Agakishiev, G., Bałanda, A., Belver, D., Belyaev, Berger-Chen, J. C., Blanco, Böhmer, M., Boyard, J. L., Cabanelas, Pablo, Chernenko, S., Dybczak, Epple, E., Fabbietti, L., Fateev, O., Finocchiaro, P., Fonte, Friese, J., Fröhlich, I., Galatyuk, T., Garzón, J. A., Gernhäuser, Göbel, K., Golubeva, González-Díaz, Guber, F., Gumberidze, Heinz, Hennino, Holzmann, Ierusalimov, Iori, Ivashkin, Jurkovic, Kämpfer, B., Karavicheva, Koenig, W., Kolb, B. W., Kornakov, Kotte, Krása, Antonín, Krizek, Kuc, H., Kühn, Kugler, Kurepin, Ladygin, V., Lalik, Lang, Lapidus, Lebedev, Liu, Lopes, Lorenz, Maier, Mangiarotti, Markert, Metag, Michalska, Michel, Mishra, Müntz, C., Naumann, Pachmayer, Y. C., Palka, Parpottas, Yiannis, Pechenov, Pechenova, Pietraszko, Przygoda, Ramstein, Reshetin, Rustamov, Sadovsky, Salabura, Schmah, Schwab, Siebenson, Sobolev, Y., Spataro, Spruck, Ströbele, Stroth, Sturm, Tarantola, Teilab, Tlusty, Traxler, Trebacz, Tsertos, Haralambos, Vasiliev, Wagner, Weber, Wendisch, Wüstenfeld, Yurevich, Zanevsky
Venue: Physics Letters B
Type: Publication
Abstract: See paper for full list of authors,; We present data on dielectron emission in proton induced reactions on a Nb target at 3.5 GeV kinetic beam energy measured with HADES installed at GSI. The data represent the first high statistics measurement of proton-induced dielectron radiation from cold nuclear matter in a kinematic regime, where strong medium effects are expected. Combined with the good mass resolution of 2%, it is the first measurement sensitive to changes of the spectral functions of vector mesons, as predicted by models for hadrons at...
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Topics: 
Nuclear physics
Particle physics
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