Enhanced production of low-mass electron pairs in 200 GeV/nucleon S-Au collisions at the CERN super proton synchrotron

We report on measurements of low-mass electron pairs in 450 GeV {ital p}-Be, {ital p}-Au, and 200 GeV/nucleon S-Au collisions at central rapidities. For the proton induced interactions, the low-mass spectra are, within the systematic errors, satisfactorily explained by electron pairs from hadron dec...

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Veröffentlicht in:	Physical Review Letters 1995-08, Vol.75 (7), p.1272-1275
Hauptverfasser:	Agakichiev, G, Baur, R, Breskin, A, Chechik, R, Drees, A, Jacob, C, Faschingbauer, U, Fischer, P, Fraenkel, Z, Fuchs, C, Gatti, E, Glässel, P, Günzel, T, de los Heros CP, Hess, F, Irmscher, D, Lenkeit, B, Olsen, LH, Panebrattsev, Y, Pfeiffer, A, Ravinovich, I, I, Rehak, P, Schön, A, Schukraft, J, Sampietro, M, Shimansky, S, Shor, A, Specht, HJ, Steiner, V, V, Tapprogge, S, Tel-Zur, G, Tserruya, I, I, Ullrich, T, Wurm, JP, Yurevich, V, V
Format:	Artikel
Sprache:	eng
Schlagworte:	ANNIHILATION BERYLLIUM 9 TARGET ELECTRONS GEV RANGE 100-1000 GOLD 197 TARGET MASS SPECTRA PAIR PRODUCTION PHYSICS PROTON REACTIONS SPACE-TIME SULFUR 32 REACTIONS SYNCHROTRONS TEV RANGE 01-10
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