Observation of Three Upsilon States
D. Andrews(Cornell University), K. Berkelman(Cornell University), M. Billing(Cornell University), R. Cabenda(Cornell University), D. G. Cassel(Cornell University), J. W. DeWire(Cornell University), R. Ehrlich(Cornell University), T. Ferguson(Cornell University), T. Gentile(Cornell University), Bruce Gibbard(Cornell University), M. G. D. Gilchriese(Cornell University), B. Gittelman(Cornell University), D. L. Hartill(Cornell University), D. Herrup(Cornell University), M. Herzlinger(Cornell University), D. L. Kreinick(Cornell University), D. Larson(Cornell University), N. B. Mistry(Cornell University), E. Nordberg(Cornell University), S. Peggs(Cornell University), R. Perchonok(Cornell University), R. Plunkett(Cornell University), J. Seeman(Cornell University), K. A. Shinsky(Cornell University), R. Siemann(Cornell University), A. Silverman(Cornell University), P. C. Stein(Cornell University), S. Stone(Cornell University), R. Talman(Cornell University), H. G. Thonemann(Cornell University), D. Weber(Cornell University), C. Bebek(Cornell University), J. S. Haggerty(Cornell University), J. M. Izen(Cornell University), R. V. Kline(Cornell University), W. A. Loomis(Harvard University Press), F. M. Pipkin(Cornell University), W. Tanenbaum(Harvard University Press), Richard Wilson(Cornell University), A. J. Sadoff(Cornell University), D. Bridges(Syracuse University), K. Chadwick(University of Rochester), P. Ganci(University of Rochester), H. Kagan(Cornell University), F. Lobkowicz(Cornell University), W. Metcalf(Cornell University), S. L. Olsen(Cornell University), R. Poling(University of Rochester), C. Rosenfeld(Cornell University), G. Rucinski(Cornell University), E. H. Thorndike(Cornell University), G. Warren(Cornell University), D. Bechis(Cornell University), Gee Kung Chang(Cornell University), R. Imlay(Cornell University), J. J. Mueller(Cornell University), D. Potter(Cornell University), F. Sannes(Rutgers, The State University of New Jersey), P. Skubic(Rutgers, The State University of New Jersey), R. Stone(Cornell University), A. Brody(Syracuse University), A. Chen(Syracuse University), M. Goldberg(Syracuse University), Nahmin Horowitz(Cornell University), J. Kandaswamy(Syracuse University), Hanne M. Kooy(Syracuse University), P. Lariccia(Cornell University), G. C. Moneti(Cornell University), R. Whitman(Cornell University), M. S. Alam(Vanderbilt University), S. E. Csorna(Vanderbilt University), R. S. Panvini(Cornell University), J. S. Poucher(Vanderbilt University)
Cited by 116
Abstract
Three narrow resonances have been observed in ${e}^{+}{e}^{\ensuremath{-}}$ 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 "$\ensuremath{\Upsilon}$" states as the lowest triplet-$S$ levels of the $b\overline{b}$ quark-antiquark system.
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