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Observation of three upsilon states

  • D. Andrews
  • , K. Berkelman
  • , M. Billing
  • , R. Cabenda
  • , D. G. Cassel
  • , J. W. DeWire
  • , R. Ehrlich
  • , T. Ferguson
  • , T. Gentile
  • , B. G. Gibbard
  • , M. G.D. Gilchriese
  • , B. Gittelman
  • , D. L. Hartill
  • , D. Herrup
  • , M. Herzlinger
  • , D. L. Kreinick
  • , D. Larson
  • , N. B. Mistry
  • , E. Nordberg
  • , S. Peggs
  • R. Perchonok, R. K. Plunkett, J. Seeman, K. A. Shinsky, R. H. Siemann, A. Silverman, P. C. Stein, S. Stone, R. Talman, H. G. Thonemann, D. Weber, C. Bebek, J. Haggerty, J. M. Izen, R. Kline, W. A. Loomis, F. M. Pipkin, W. Tanenbaum, Richard Wilson, A. J. Sadoff, D. L. Bridges, K. Chadwick, P. Ganci, H. Kagan, F. Lobkowicz, W. Metcalf, S. L. Olsen, R. Poling, C. Rosenfeld, G. Rucinski

Research output: Contribution to journalArticlepeer-review

Abstract

Three narrow resonances have been observed in e+e- annihilation into hadrons at total energies between 9.4 and 10.4 GeV. Measurements of mass spacing and ratios of lepton pair widths support the interpretation of these " " states as the lowest triplet-S levels of the bb̄ quark-antiquark system.

Original languageEnglish (US)
Pages (from-to)1108-1111
Number of pages4
JournalPhysical review letters
Volume44
Issue number17
DOIs
StatePublished - 1980

Bibliographical note

Copyright:
Copyright 2015 Elsevier B.V., All rights reserved.

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