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Measurement of the decay fractions ofD * mesons

  • Experimental Physics
  • Published:
Zeitschrift für Physik C Particles and Fields

Abstract

Using the ARGUS detector at the DORIS II electron-positron storage ring at DESY, we have measured BR(D *+→D 0π+)=(68.8±2.4±1.3)%, BR(D *+→D +π0)=(31.2±1.1±0.8)%, BR(D *+→D +γ)<5.2% (90%CL), BR(D *0→D 0π0)=(59.6±3.5±2.8)%, and BR(D *0→D 0γ)=(40.4±3.5±2.8)%, and the mass difference Δm 0=m(D *0)−m(D 0)=(142.2±0.3±0.2)MeV/c 2.

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Author information

Author notes

  1. P. Krieger, J. D. Prentice, R. G. Van de Water & T. -S. Yoon

    Present address: University of Toronto, Toronto, Ontario, Canada

  2. D. B. MacFarlane, P. R. B. Saull & K. Tzamariudaki

    Present address: McGill University, Montreal, Quebec, Canada

  3. V. Blinov, A. Undrus & V. Zhilich

    Present address: Institute of Nuclear Physics, Novosibirsk, Russia

Authors and Affiliations

  1. DESY, Hamburg, Germany

    H. Albrecht, H. Ehrlichmann, T. Hamacher, R. P. Hofmann, T. Kirchhoff, R. Mankel, A. Nau, S. Nowak, D. Reßing, H. Schröder, H. D. Schulz, M. Walter & R. Wurth

  2. Institut für Physik, Universität Dortmund, Germany

    C. Hast, H. Kapitza, H. Kolanoski, A. Kosche, A. Lange, A. Lindner, M. Schieber, T. Siegmund, B. Spaan, H. Thurn, D. Töpfer & D. Wegener

  3. Institut für Kern- und Teilchenphysik, Technische Universität Dresden, Germany

    P. Eckstein, M. Schmidtler, M. Schramm, K. R. Schubert, R. Schwierz & R. Waldi

  4. Physikalisches Institut, Universität Erlangen-Nürnberg, Germany

    M. Paulini, K. Reim & H. Wegener

  5. II. Institut für Experimentalphysik, Universität Hamburg, Germany

    R. Eckmann, H. Kuipers, O. Mai, R. Mundt, T. Oest, R. Reiner & W. Schmidt-Parzefall

  6. Institut für Hochenergiephysik, Universität Heidelberg, Germany

    J. Stiewe & S. Werner

  7. Max-Planck-Institut für Kernphysik, Heidelberg, Germany

    K. Ehret, W. Hofmann, A. Hüpper, S. Khan, K. T. Knöpfle & J. Spengler

  8. Institute of Particle Physics, Canada

    P. Krieger, D. B. MacFarlane, J. D. Prentice, P. R. B. Saull, K. Tzamariudaki, R. G. Van de Water & T. -S. Yoon

  9. Institut für Experimentelle Kernphysik, Universität Karlsruhe, Germany

    C. Frankl, C. Ratz, M. Schneider & S. Weseler

  10. Institut J. Stefan and Oddelek za fiziko, Univerza v Ljubljani, Ljubljana, Slovenia

    G. Kernel, P. Križan, E. Križnič, T. Podobnik & T. Živko

  11. Institute of Theoretical and Experimental Physics, Moscow, Russia

    V. Balagura, I. Belyaev, V. Blinov, S. Chechelnitsky, M. Danilov, A. Droutskoy, Yu. Gershtein, A. Golutvin, I. Korolko, G. Kostina, D. Litvintsev, V. Lubimov, P. Pakhlov, S. Semenov, A. Snizhko, I. Tichomirov, A. Undrus, Yu. Zaitsev & V. Zhilich

Authors
  1. H. Albrecht
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  2. H. Ehrlichmann
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  3. T. Hamacher
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  4. R. P. Hofmann
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  5. T. Kirchhoff
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  6. R. Mankel
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  7. A. Nau
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  8. S. Nowak
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  9. D. Reßing
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  10. H. Schröder
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  11. H. D. Schulz
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  12. M. Walter
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  13. R. Wurth
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  14. C. Hast
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  15. H. Kapitza
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  16. H. Kolanoski
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  17. A. Kosche
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  18. A. Lange
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  19. A. Lindner
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  20. M. Schieber
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  21. T. Siegmund
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  22. B. Spaan
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  23. H. Thurn
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  24. D. Töpfer
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  25. D. Wegener
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  26. P. Eckstein
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  27. M. Schmidtler
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  28. M. Schramm
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  29. K. R. Schubert
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  30. R. Schwierz
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  31. R. Waldi
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  32. M. Paulini
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  33. K. Reim
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  34. H. Wegener
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  35. R. Eckmann
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  36. H. Kuipers
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  37. O. Mai
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  38. R. Mundt
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  39. T. Oest
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  40. R. Reiner
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  41. W. Schmidt-Parzefall
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  42. J. Stiewe
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  43. S. Werner
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  44. K. Ehret
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  45. W. Hofmann
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  46. A. Hüpper
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  47. S. Khan
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  48. K. T. Knöpfle
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  49. J. Spengler
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  50. P. Krieger
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  51. D. B. MacFarlane
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  52. J. D. Prentice
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  53. P. R. B. Saull
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  54. K. Tzamariudaki
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  55. R. G. Van de Water
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  56. T. -S. Yoon
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  57. C. Frankl
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  58. C. Ratz
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  59. M. Schneider
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  60. S. Weseler
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  61. G. Kernel
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  62. P. Križan
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  63. E. Križnič
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  64. T. Podobnik
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  65. T. Živko
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  66. V. Balagura
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  67. I. Belyaev
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  68. V. Blinov
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  69. S. Chechelnitsky
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  70. M. Danilov
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  71. A. Droutskoy
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  72. Yu. Gershtein
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  73. A. Golutvin
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  74. I. Korolko
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  75. G. Kostina
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  76. D. Litvintsev
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  77. V. Lubimov
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  78. P. Pakhlov
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  79. S. Semenov
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  80. A. Snizhko
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  81. I. Tichomirov
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  82. A. Undrus
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  83. Yu. Zaitsev
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  84. V. Zhilich
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Consortia

ARGUS Collaboration

Additional information

DESY, IfH Zeuthen

Supported by the German Bundesministerium für Forschung und Technologie, under contract number 054DO51P

Supported by the German Bundesministerium für Forschung und Technologie, under contract number 056DD11P

Supported by the German Bundesministerium für Forschung und Technologie, under contract number 054ER12P

Supported by the German Bundesministerium für Forschung und Technologie, under contract number 055HD21P

Supported by the Natural Sciences and Engineering Research Council, Canada

Supported by the German Bundesministerium für Forschung und Technologie, under contract number 055KA11P

Supported by the Ministry of Science and Technology of the Republic of Slovenia and the Internationales Büro KfA, Jülich

supported by Deutsche Forschungsgemeinschaft

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ARGUS Collaboration., Albrecht, H., Ehrlichmann, H. et al. Measurement of the decay fractions ofD * mesons. Z. Phys. C - Particles and Fields 66, 63–70 (1995). https://doi.org/10.1007/BF01496580

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  • DOI: https://doi.org/10.1007/BF01496580

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