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Lambda c+ production and semileptonic decay in 29-GeV e+e- annihilation.

  • Author(s): Klein, SR
  • Himel, T
  • Abrams, G
  • Amidei, D
  • Baden, AR
  • Barklow, T
  • Boyarski, AM
  • Boyer, J
  • Burchat, PR
  • Burke, DL
  • Butler, F
  • Dorfan, JM
  • Feldman, GJ
  • Gidal, G
  • Gladney, L
  • Gold, MS
  • Goldhaber, G
  • Haggerty, J
  • Hanson, G
  • Hayes, K
  • Herrup, D
  • Hollebeek, RJ
  • Innes, WR
  • Jaros, JA
  • Juricic, I
  • Kadyk, JA
  • Karlen, D
  • Lankford, AJ
  • Larsen, RR
  • LeClaire, BW
  • Levi, M
  • Lockyer, NS
  • Lüth, V
  • Nelson, ME
  • Ong, RA
  • Perl, ML
  • Richter, B
  • Riles, K
  • Rowson, PC
  • Schaad, T
  • Schellman, H
  • Schmidke, WB
  • Sheldon, PD
  • Trilling, GH
  • de la Vaissiere C
  • Wagner, SR
  • Wood, DR
  • Yelton, JM
  • et al.
Abstract

We present results on c+ production in 29-GeV e+e- annihilation. The c+ are observed via their semileptonic decays to e+X and +X. With radiative corrections, we find (e+e-c+X)Bc+eX)= 1.5±0.6±0.5 pb or 0.0038±0.0015±0.0012 c+e+X decay per hadronic event, and (e+e-c+X)B(c+X)= 1.4±1.4±0.4 pb or 0.0035±0.0035±0. 0011 c++X decay per hadronic event. These results can be used to place constraints on the predictions of various production models. © 1989 The American Physical Society.

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