Abstract
The like-sign dimuons copiously recorded in the NA 38 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 E T .
Presented at the 6 th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions — Quark Matter 1987, 24–28 August 1987, Nordkirchen, Federal Republic of Germany
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References
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© 1988 Springer-Verlag Berlin Heidelberg
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Sonderegger, P., NA 38 Collaboration. (1988). A study of π and K production in proton-uranium and oxygen-uranium interactions at 22 GeV/A using decay muons. In: Satz, H., Specht, H.J., Stock, R. (eds) Quark Matter. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-83524-7_18
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DOI: https://doi.org/10.1007/978-3-642-83524-7_18
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