Observation of Large-Transverse-Momentum Muons Directly Produced by 300-GeV Protons

J. P. Boymond; R. Mermod; P. A. Piroué; R. L. Sumner; J. W. Cronin; H. J. Frisch; M. J. Shochet

doi:10.1103/PhysRevLett.33.112

Observation of Large-Transverse-Momentum Muons Directly Produced by 300-GeV Protons

J. P. Boymond, R. Mermod, P. A. Piroué, R. L. Sumner, J. W. Cronin, H. J. Frisch, and M. J. Shochet

Phys. Rev. Lett. 33, 112 – Published 8 July 1974

Abstract

We have observed muons produced directly in Cu and W targets by 300-GeV incident protons. We find a yield of muons which is approximately a constant fraction (0.8· $10^{- 4}$ ) of the pion yield for both positive and negative charges and for transverse momenta between 1.5 and 5.4 GeV/c.