A study of π andK production in proton-uranium and oxygen-uranium interactions at 22 GeV/A using decay muons
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Abstract
The like-sign dimuons copiously recorded in the NA 38 experiment both inp-U and O−U reactions at 200 GeV/nucleon are interpreted as resulting from decays of π andK mesons in comparable proportions. The ++/−− ratio is large (≃1.7) and ascribed to theK+ being more copiously produced than theK−. Both the average transverse momentum and the ++/−− ratio are comparable forp-U and O−U reactions, and both increase only slightly with the transverse energyE T .
Keywords
Field Theory Elementary Particle Quantum Field Theory Transverse Momentum Particle Acceleration
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© Springer-Verlag 1988