Production of DS + mesons in B decays and determination of {Mathematical expression}

  • H. Albrecht
  • , H. Ehrlichmann
  • , T. Hamacher
  • , A. Krüger
  • , A. Nau
  • , A. Nippe
  • , M. Reidenbach
  • , M. Schäfer
  • , H. Schröder
  • , H. D. Schulz
  • , F. Sefkow
  • , R. Wurth
  • , R. D. Appuhn
  • , C. Hast
  • , G. Herrera
  • , H. Kolanoski
  • , A. Lange
  • , A. Lindner
  • , R. Mankel
  • , M. Schieber
  • T. Siegmund, B. Spaan, H. Thurn, D. Töpfer, A. Walther, D. Wegener, M. G. Paulini, K. Reim, U. Volland, H. Wegener, R. Mundt, T. Oest, W. Schmidt-Parzefall, W. Funk, J. Stiewe, S. Werner, S. Ball, J. C. Gabriel, C. Geyer, A. Hölscher, W. Hofmann, B. Holzer, S. Khan, K. T. Knöpfle, J. Spengler, D. I. Britton, C. E.K. Charlesworth, K. W. Edwards, H. Kapitza, P. Krieger, R. Kutschke, D. B. MacFarlane, R. S. Orr, P. M. Patel, J. D. Prentice, S. C. Seidel, G. Tspolitis, K. Tzamariudaki, R. G. Van de Water, T. S. Yoon, D. Reßing, S. Schael, K. R. Schubert, K. Strahl, R. Waldi, S. Weseler, B. Bostjančič, G. Kernel, P. Križan, E. Križnič, T. Podobnik, T. Živko, H. I. Cronström, L. Jönsson, V. Balagura, M. Danilov, A. Droutskoy, B. Fominykh, A. Golutvin, I. Gorelov, F. Ratnikov, V. Lubimov, P. Pakhlov, A. Rostovtsev, A. Semenov, S. Semenov, V. Shevchenko, V. Soloshenko, I. Tichomirov, Yu Zaitsev, R. Childers, C. W. Darden

Research output: Contribution to journalArticlepeer-review

Abstract

The production of DS + mesons in B meson decays, and in q {Mathematical expression} continuum events, has been studied with the ARGUS detector at the e+e- storage ring DORIS II. In addition to the measurement of inclusive DS + production in γ(4 S)→B {Mathematical expression} decays, all eight two-body decay modes B→DS (*)D(*) have been measured with branching ratios between 1% and 3%. By comparing our inclusive and exclusive results to predictions of heavy quark effective theory, a value of (267±28) MeV × [2.7%/BR(Ds +→φπ+)]1/2 is obtained for the weak decay constant f DS (*), averaged over DS + and DS *+ mesons.

Original languageEnglish
Pages (from-to)1-11
Number of pages11
JournalZeitschrift fur Physik C-Particles and Fields
Volume54
Issue number1
DOIs
Publication statusPublished - 1 Jan 1992
Externally publishedYes

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