Observation of a dimuon resonance at 9.5-GeV in 400-GeV proton - nucleus collisions

The E288 collaboration Herb, S.W. ; Hom, D.C. ; Lederman, L.M. ; et al.
Phys.Rev.Lett. 39 (1977) 252-255, 1977.
Inspire Record 120368 DOI 10.17182/hepdata.42613

Dimuon production is studied in 400-GeV proton-nucleus collisions. A strong enhancement is observed at 9.5 GeV mass in a sample of 9000 dimuon events with a mass $m_{\mu^+\mu^-} \to$ 5 GeV.

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Approximate Scaling of Multiplicity Distributions as a Function of Missing Mass

Barshay, S. ; Engelmann, R. ; Kafka, T. ; et al.
Phys.Rev.Lett. 32 (1974) 1390, 1974.
Inspire Record 1032 DOI 10.17182/hepdata.21933

Data from p+p→p+X at 102, 205, and 405 GeV and from π−+p→p+X at 205 GeV exhibit an approximate scaling property in the charged-prong multiplicity distributions as a function of the missing mass for the range 5<~MX<~13 GeV.

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