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APS » Journals » Phys. Rev. Lett. » Volume 39 » Issue 5
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Phys. Rev. Lett. 39, 252–255 (1977)

Observation of a Dimuon Resonance at 9.5 GeV in 400-GeV Proton-Nucleus Collisions

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S. W. Herb, D. C. Hom, L. M. Lederman, J. C. Sens*, H. D. Snyder, and J. K. Yoh
Columbia University, New York, New York 10027

J. A. Appel, B. C. Brown, C. N. Brown, W. R. Innes, K. Ueno, and T. Yamanouchi
Fermi National Accelerator Laboratory, Batavia, Illinois 60510

A. S. Ito, H. Jöstlein, D. M. Kaplan, and R. D. Kephart
State University of New York at Stony Brook, Stony Brook, New York 11974

Received 1 July 1977; published in the issue dated 1 August 1977

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 mμ+μ->5 GeV.

© 1977 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.39.252
DOI:
10.1103/PhysRevLett.39.252

*Permanent address: Foundation for Fundamental Research on Matter, The Netherlands.

 
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