Systematic study of low-mass electron pair production in p–Be and p–Au collisions at 450 GeV/ $c$
✍ Scribed by Agakichiev, G. ;Appenheimer, M. ;Averbeck, R. ;Ballester, F. ;Baur, R. ;Brenschede, A. ;Diaz, J. ;Drees, A. ;Faschingbauer, U. ;Ferrero, J.L. ;Fischer, P. ;Fraenkel, Z. ;Franke, M. ;Fuchs, C. ;Gatti, E. ;Glässel, P. ;Günzel, T. ;de los Heros, C.P. ;Hess, F. ;Holzmann, R. ;Iourevitch, V. ;Irmscher, D. ;Jacob, C. ;Kühn, W. ;Lenkeit, B. ;Löhner, H. ;Marin, A. ;Marques, F.M. ;Martinez, G. ;Metag, V. ;Notheisen, M. ;Novotny, R. ;Olsen, L.H. ;Ostendorf, R. ;Panebrattsev, Y. ;Pfeiffer, A. ;Ravinovich, I. ;Rehak, P. ;Sampietro, M. ;Schön, A. ;Schukraft, J. ;Schutz, Y. ;Shimansky, S. ;Shor, A. ;Simon, R.S. ;Specht, H.J. ;Steiner, V. ;Tapprogge, S. ;Tel-Zur, G. ;Tserruya, I. ;Ullrich, T. ;Wilschut, H. ;Wurm, J.P.
- Publisher
- Springer-Verlag
- Year
- 1998
- Tongue
- English
- Weight
- 334 KB
- Volume
- 4
- Category
- Article
- ISSN
- 1434-6044
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The CERES/NA45 experiment at the CERN-SPS is dedicated to study the production of e+e--pairs in ultrarelativistic heavy ion collisions. Compared to extrapolations from results obtained in proton-induced reactions, it has previously observed an enhanced production in S-Au [1] and Pb-Au [2] collisions
We report preliminary results of the first measurement of low-mass electron pairs in 160 GeV/nucleon Pb-Au collisions at central rapidities in a wide multiplicity range. This work is the continuation of our systematic studies on pair production in p-Be, p-Au and S-Au interactions. The motivation for