Production of High-Mass Muon Pairs in Proton-Nucleus Collisions at 400 GeV

D. C. Hom, L. M. Lederman, H. P. Paar, H. D. Snyder, J. M. Weiss, J. K. Yoh, J. A. Appel, B. C. Brown, C. N. Brown, W. R. Innes, T. Yamanouchi, R. J. Engelmann, R. J. Fisk, H. Jöstlein, D. M. Kaplan, R. D. Kephart, and R. L. McCarthy
Phys. Rev. Lett. 37, 1374 – Published 22 November 1976
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Abstract

We report results on the production of muon pairs in the mass range 2.5 to 20 GeV in 400-GeV proton-nucleus collisions. A total of 159 events are observed in the mass range 5.5 to 11 GeV with a cross section which is in agreement with the previous observation of a high-mass dielectron continuum signal in this interval. Details on the production dynamics and comparisons with parton-model predictions are presented. Within limitations of resolution and continuum uncertainty, the dimuon mass spectrum provides no evidence for fine structure above 5 GeV.

  • Received 24 August 1976

DOI:https://doi.org/10.1103/PhysRevLett.37.1374

©1976 American Physical Society

Authors & Affiliations

D. C. Hom, L. M. Lederman, H. P. Paar*,†, H. D. Snyder, J. M. Weiss, and J. K. Yoh

  • Columbia University, New York, New York 10027

J. A. Appel, B. C. Brown, C. N. Brown, W. R. Innes, and T. Yamanouchi

  • Fermi National Accelerator Laboratory, Batavia, Illinois 60510

R. J. Engelmann, R. J. Fisk, H. Jöstlein, D. M. Kaplan, R. D. Kephart, and R. L. McCarthy

  • State University of New York, Stony Brook, New York 11794

  • *Present address: CERN, 1211 Geneva 23, Switzerland.
  • Research supported by the National Science Foundation.
  • Research supported by the U. S. Energy Research and Development Administration.

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Vol. 37, Iss. 21 — 22 November 1976

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