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Inclusive electron production in e+e- annihilation at 29 GeV

  • Author(s): Nelson, ME
  • Blondel, A
  • Trilling, GH
  • Abrams, GS
  • Amidei, D
  • Blocker, CA
  • Boyarski, AM
  • Breidenbach, M
  • Burke, DL
  • Chinowsky, W
  • Dieterle, WE
  • Dillon, JB
  • Dorfan, JM
  • Eaton, MW
  • Feldman, GJ
  • Franklin, MEB
  • Gidal, G
  • Gladney, L
  • Gold, MS
  • Goldhaber, G
  • Golding, LJ
  • Hanson, G
  • Hollebeek, RJ
  • Innes, WR
  • Jaros, JA
  • Johnson, AD
  • Kadyk, JA
  • Lankford, AJ
  • Larsen, RR
  • Leclaire, B
  • Levi, M
  • Lockyer, N
  • Lüth, V
  • et al.
Abstract

The total momentum and transverse momentum spectra of electrons in e+e- annihilation at 29 GeV have been measured. The inclusive cross section is determined to be 14.4±1.6±5.2 pb for momenta greater than 2 GeV/c. The average semielectronic branching ratios of charm and bottom quarks are measured to be (6.3±1.2±2.1)% and (11.6±2.1±1.7)%, respectively. The fragmentation function for bottom quarks is determined to be peaked at high z, with zb=0.75±0.05±0.04. © 1983 The American Physical Society.

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