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

D. E. Koop, M. Sakuda, W. B. Atwood, P. H. Baillon, B. C. Barish, G. R. Bonneaud, H. DeStaebler, G. J. Donaldson, R. Dubois, M. M. Duro, E. E. Elsen, S. G. Gao, Y. Z. Huang, G. M. Irwin, R. P. Johnson, H. Kichimi, J. Kirkby, D. E. Klem, J. Ludwig, G. B. MillsA. Ogawa, T. Pal, D. Perret-Gallix, R. Pitthan, D. L. Pollard, C. Y. Prescott, L. Z. Rivkin, L. S. Rochester, W. Ruckstuhl, S. S. Sherman, E. J. Siskind, R. Stroynowski, S. Q. Wang, S. G. Wojcicki, H. Yamamoto, W. G. Yan, C. C. Young

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19 Citations (Scopus)

Abstract

Inclusive electrons have been studied in hadronic events from e+e- annihilation at 29 GeV. The cross section is measured as (e+e-eX)=35.84.6 pb in the momentum range 0.5<p<5.5 GeV/c. The semielectronic branching ratios of b and c quarks are found to be (14.6 2.8)% and (9.1 1.3)%, respectively. Hard fragmentation functions are found for both b and c, with Zb=0.780.05 and Zc=0.690.06. No evidence of anomalous electron production is observed.

Original languageEnglish
Pages (from-to)970-973
Number of pages4
JournalPhysical Review Letters
Volume52
Issue number12
DOIs
Publication statusPublished - Jan 1 1984

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Koop, D. E., Sakuda, M., Atwood, W. B., Baillon, P. H., Barish, B. C., Bonneaud, G. R., DeStaebler, H., Donaldson, G. J., Dubois, R., Duro, M. M., Elsen, E. E., Gao, S. G., Huang, Y. Z., Irwin, G. M., Johnson, R. P., Kichimi, H., Kirkby, J., Klem, D. E., Ludwig, J., ... Young, C. C. (1984). Prompt electron production in e+e- annihilation at 29 GeV. Physical Review Letters, 52(12), 970-973. https://doi.org/10.1103/PhysRevLett.52.970