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Observation of semileptonic decays of charmed baryons

  • Author(s): Vella, E
  • Trilling, GH
  • Abrams, GS
  • Alam, MS
  • Blocker, CA
  • Blondel, A
  • Boyarski, AM
  • Breidenbach, M
  • Burke, DL
  • Carithers, WC
  • Chinowsky, W
  • Coles, MW
  • Cooper, S
  • Dieterle, WE
  • Dillon, JB
  • Dorenbosch, J
  • Dorfan, JM
  • Eaton, MW
  • Feldman, GJ
  • Franklin, MEB
  • Gidal, G
  • Goldhaber, G
  • Hanson, G
  • Hayes, KG
  • Himel, T
  • Hitlin, DG
  • Hollebeek, RJ
  • Innes, WR
  • Jaros, JA
  • Jenni, P
  • Johnson, AD
  • Kadyk, JA
  • Lankford, AJ
  • Larsen, RR
  • Lüth, V
  • Millikan, RE
  • Nelson, ME
  • Pang, CY
  • Patrick, JF
  • Perl, ML
  • Richter, B
  • Roussarie, A
  • Scharre, DL
  • Schindler, RH
  • Schwitters, RF
  • Siegrist, JL
  • Strait, J
  • Taureg, H
  • Tonutti, M
  • Vidal, RA
  • Videau, I
  • Weiss, JM
  • Zaccone, H
  • et al.
Abstract

Direct electrons are observed in baryon events produced in e+e- annihilation at center-of-mass energies above the c»c threshold. These events are attributed to charmed-baryon pair production and subsequent c semileptonic decay. Various semileptonic branching ratios of the c are determined, including B(ce+X)=(4.5 1.7)%. © 1982 The American Physical Society.

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