DESY verifies two upsilon states; evidence for fifth quark
JAN 01, 1979
DOI: 10.1063/1.2995365
By stretching the energy limits of the DORIS storage ring to its fullest, experimenters at DESY in Hamburg have observed the upsilon and upsilon prime at roughly the masses reported in 1977 by Leon Lederman and his collaborators (
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© 1979 American Institute of Physics
