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Sonderegger, P.; Abreu, M.C.; Barreira, G.P.; Bordalo, P.; Casaca, A.; Gago, J.M.; Gomes, P.; Lourenco, C.; Maio, A.; Peralta, L.; Pimenta, M.; Ramos, S.; Varela, J.; Baglin, C.; Bussiere, A.; Guilland, J.P.; Borenstein, S.; Busson, P.; Charlot, C.; Chaurand, B.; Kluberg, L.; Romana, A.; Salmeron, R.; Britz, J.; Gorodetzky, P.; Kraus, L.; Linck, I.; Racca, C.; Cases, R.
NA38 Collaboration1988
NA38 Collaboration1988
AbstractAbstract
[en] The like-sign dimuons copiously recorded in the NA38 experiment both in p-U and O-U reactions at 200 GeV/nucleon are interpreted as resulting from decays of π and K mesons in comparable proportions. The ++/-- ratio is large (≅ 1.7) and ascribed to the K+ being more copiously produced than the K-. Both the average transverse momentum and the ++/-- ratio are comparable for p-U and O-U reactions, and both increase only slightly with the transverse energy ET. (orig.)
Primary Subject
Source
6. international conference on ultra-relativistic nucleus-nucleus collisions (Quark Matter '87); Nordkirchen (Germany, F.R.); 24-28 Aug 1987
Record Type
Journal Article
Literature Type
Conference; Numerical Data
Journal
Zeitschrift fuer Physik. C, Particles and Fields; ISSN 0170-9739; ; CODEN ZPCFD; v. 38(1/2); p. 129-133
Country of publication
BRANCHING RATIO, EFFECTIVE MASS, ENERGY SPECTRA, EXPERIMENTAL DATA, GEV RANGE 100-1000, INCLUSIVE INTERACTIONS, KAONS PLUS, LEPTONIC DECAY, MASS SPECTRA, MUONS MINUS, MUONS PLUS, OXYGEN 16 REACTIONS, PARTICLE PRODUCTION, PIONS MINUS, PIONS PLUS, PROTON REACTIONS, RELATIVISTIC RANGE, TEV RANGE 01-10, TRANSVERSE MOMENTUM, URANIUM 238 TARGET
ANTILEPTONS, ANTIMATTER, ANTIPARTICLES, BARYON REACTIONS, BASIC INTERACTIONS, BOSONS, DATA, DECAY, ELEMENTARY PARTICLES, ENERGY RANGE, FERMIONS, GEV RANGE, HADRON REACTIONS, HADRONS, HEAVY ION REACTIONS, INFORMATION, INTERACTIONS, KAONS, LEPTONS, LINEAR MOMENTUM, MASS, MATTER, MESONS, MUONS, NUCLEAR REACTIONS, NUCLEON REACTIONS, NUMERICAL DATA, PARTICLE DECAY, PARTICLE INTERACTIONS, PIONS, PSEUDOSCALAR MESONS, SPECTRA, STRANGE MESONS, STRANGE PARTICLES, TARGETS, TEV RANGE, WEAK INTERACTIONS, WEAK PARTICLE DECAY
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