Observation of prompt single muons and dimuons in hadron-nucleus collisions at 200 GeV/c

J. G. Branson, G. H. Sanders, A. J.S. Smith, J. J. Thaler, K. J. Anderson, G. G. Henry, K. T. McDonald, J. E. Pilcher, E. I. Rosenberg

Research output: Contribution to journalArticlepeer-review

Abstract

We trigger a large-acceptance spectrometer by single muons and observe any additional muons with good efficiency. The effect of π and K decays is subtracted to obtain the prompt muon signal in the kinematic region 0.1<x<0.4 and pT<1.0 GeV/c. We find 0.7 ± 0.2 of all prompt μ's are produced in pairs; the μπ ratio decreases with x but increases with pT, averaging 3 × 10-5.

Original languageEnglish (US)
Pages (from-to)457-460
Number of pages4
JournalPhysical review letters
Volume38
Issue number9
DOIs
StatePublished - 1977

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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