Low-mass lepton pair production in Pb - Au collisions at 40 A $\cdot$ GeV

The CERES/NA45 experiment at the CERN SPS has previously measured e **+e**- pair production in 160 A center dot GeV Pb-Au collisions. In the mass region m greater than 0.2 GeV/c**2, an enhancement of 2.7 plus or minus 0.4(stat.) plus or minus 0.5(syst.) compared to the expectation from known hadroni...

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Detalles Bibliográficos
Autores principales: Adamova, D, Agakichiev, G, Appelshäuser, H, Belaga, V, Braun-Munzinger, P, Cherlin, A, Damjanovic, S, Dietel, T, Dietrich, L, Drees, A, Esumi, S I, Filimonov, K, Fomenko, K, Fraenkel, Zeev, Garabatos, C, Glässel, P, Hering, G, Holeczek, J, Kushpil, V, Lenkeit, B C, Maas, A, Marin, A, Milosevic, J, Milov, A, Miskowiec, D, Panebratsev, Yu A, Petchenova, O Yu, Petrácek, V, Pfeiffer, A, Rak, J, Ravinovich, I, Rehak, P, Richter, M, Sako, H, Schmitz, W, Schükraft, Jürgen, Sedykh, S, Seipp, W, Shimansky, S S, Slívova, J, Specht, H J, Stachel, J, Sumbera, M, Tilsner, H, Tserruya, Itzhak, Wessels, J P, Wienold, T, Windelband, B, Wurm, J P, Xie, W, Yurevich, S, Yurevich, V
Lenguaje:eng
Publicado: 2003
Materias:
Nuclear Physics
Acceso en línea:https://dx.doi.org/10.1007/BF02707032
http://cds.cern.ch/record/643298

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