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Charged-Particle multiplicities in B-Meson decay

  • M. S. Alam
  • , S. E. Csorna
  • , A. Fridman
  • , R. G. Hicks
  • , R. S. Panvini
  • , D. Andrews
  • , P. Avery
  • , K. Berkelman
  • , R. Cabenda
  • , D. G. Cassel
  • , J. W. Dewire
  • , R. Ehrlich
  • , T. Ferguson
  • , M. G.D. Gilchriese
  • , B. Gittelman
  • , D. L. Hartill
  • , D. Herrup
  • , M. Herzlinger
  • , S. Holzner
  • , J. Kandaswamy
  • D. L. Kreinick, N. B. Mistry, F. Morrow, E. Nordberg, R. Perchonok, R. Plunkett, A. Silverman, P. C. Stein, S. Stone, D. Weber, R. Wilcke, A. J. Sadoff, C. Bebek, J. Haggerty, M. Hempstead, J. M. Izen, W. A. Loomis, W. W. MacKay, F. M. Pipkin, J. Rohlf, W. Tanenbaum, R. Wilson, K. Chadwick, J. Chauveau, P. Ganci, T. Gentile, H. Kagan, R. Kass, A. C. Melissinos, S. L. Olsen, R. Poling, C. Rosenfeld, G. Rucinski, E. H. Thorndike, J. Green, F. Sannes, P. Skubic, A. Snyder, R. Stone, A. Brody, A. Chen, M. Goldberg, N. Horwitz, P. Lipari, H. Kooy, G. C. Moneti, P. Pistilli

Research output: Contribution to journalArticlepeer-review

Abstract

The charged multiplicity has been measured at the '(4S) and a value of 5.75±0.1±0.2 has been obtained for the mean charged multiplicity in B-meson decay. Combining this result with the measurement of prompt leptons from B decay, the values 4.1±0.35±0.2 and 6.3±0.2±0. 2 are found for the semileptonic and nonleptonic charged multiplicities, respectively. If b'c dominance is assumed for the weak decay of the B meson, then the semileptonic multiplicity is consistent with the recoil mass determined from the lepton momentum spectrum.

Original languageEnglish (US)
Pages (from-to)357-360
Number of pages4
JournalPhysical review letters
Volume49
Issue number6
DOIs
StatePublished - 1982

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