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New data on semihadronic decays of the τ lepton

  • Published:
Zeitschrift für Physik C Particles and Fields

Abstract

Branching ratios for the decay τ→ν+(n pions) withn≧2 are presented. The new data include all possible charge configurations of the pion system and, in particular, final states containing one or several neutral pions. The data are compared with predictions from CVC (even number of pions in final state) and current algebra (odd number of pions). They strongly support the standard coupling of the τ to the weak charged current.

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Author information

Author notes

  1. M. -J. Schachter

    Present address: SCS, Hamburg, FRG

  2. H. Randoll

    Present address: Blaupunkt, Hildesheim, FRG

  3. G. Schmidt

    Present address: Siemens, München, FRG

  4. P. Grosse-Wiesmann

    Present address: Universität Karlsruhe, FRG

  5. U. Kruse

    Present address: University of Illinois, Urbana, USA

  6. H. Lierl

    Present address: DESY, Hamburg, FRG

  7. G. Bonneaud

    Present address: CRN, Strasbourg, France

  8. U. Mallik

    Present address: Purdue University, W. Lafayette, USA

  9. J. H. Field

    Present address: DESY, Hamburg, FRG

  10. G. Carnesecchi

    Present address: CRAY Research, Paris, France

Authors and Affiliations

  1. Deutsches Elektronen-Synchrotron, DESY, D-2000, Hamburg, Federal Republic of Germany

    H. J. Behrend, H. Fenner, M. -J. Schachter, V. Schröder & H. Sindt

  2. Kernforschungszentrum Karlsruhe and Universität, D-7500, Karlsruhe, Federal Republic of Germany

    O. Achterberg, G. D'Agostini, W. -D. Apel, J. Engler, G. Flügge, B. Forstbauer, D. C. Fries, W. Fues, K. Gamerdinger, Th. Henkes, G. Hopp, M. Krüger, H. Küster, H. Müller, H. Randoll, G. Schmidt & H. Schneider

  3. Max-Planck-Institut für Physik und Astrophysik, D-8000, München, Federal Republic of Germany

    W. de Boer, G. Buschhorn, G. Grindhammer, P. Grosse-Wiesmann, B. Gunderson, C. Kiesling, R. Kotthaus, U. Kruse, H. Lierl, D. Lüers, H. Oberlack, P. Schacht & W. Wiedenmann

  4. Laboratoire de l'Accélérateur Linéaire, F-91405, Orsay, France

    G. Bonneaud, P. Colas, A. Cordier, M. Davier, D. Fournier, J. F. Grivaz, J. Haissinski, V. Journé, F. Laplanche, F. Le Diberder, U. Mallik, E. Ros & J. -J. Veillet

  5. Laboratoire de Physique Nucléaire et Hautes Energies, University, F-75230, Paris, France

    J. H. Field, R. George, M. Goldberg, B. Grossetête, O. Hamon, F. Kapusta, F. Kovacs, G. London, R. Pain, L. Poggioli & M. Rivoal

  6. Centre d'Etudes Nucléaires, Saclay, F-91190, Gif-sur-Yvette, France

    R. Aleksan, J. Bouchez, G. Carnesecchi, G. Cozzika, Y. Ducros, A. Gaidot, P. Jarry, Y. Lavagne, J. Pamela, J. P. Pansart & F. Pierre

Authors
  1. H. J. Behrend
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  2. H. Fenner
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  3. M. -J. Schachter
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  4. V. Schröder
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  5. H. Sindt
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  6. O. Achterberg
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  7. G. D'Agostini
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  8. W. -D. Apel
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  9. J. Engler
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  10. G. Flügge
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  11. B. Forstbauer
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  12. D. C. Fries
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  13. W. Fues
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  14. K. Gamerdinger
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  15. Th. Henkes
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  16. G. Hopp
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  17. M. Krüger
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  18. H. Küster
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  19. H. Müller
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  20. H. Randoll
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  21. G. Schmidt
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  22. H. Schneider
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  23. W. de Boer
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  24. G. Buschhorn
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  25. G. Grindhammer
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  28. C. Kiesling
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  29. R. Kotthaus
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  30. U. Kruse
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  31. H. Lierl
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  32. D. Lüers
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  33. H. Oberlack
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  34. P. Schacht
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  35. W. Wiedenmann
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  36. G. Bonneaud
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  37. P. Colas
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  38. A. Cordier
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  39. M. Davier
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  41. J. F. Grivaz
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  42. J. Haissinski
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  43. V. Journé
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  44. F. Laplanche
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  46. U. Mallik
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  47. E. Ros
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  56. G. London
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  57. R. Pain
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  60. R. Aleksan
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  61. J. Bouchez
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  62. G. Carnesecchi
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  63. G. Cozzika
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  64. Y. Ducros
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  66. P. Jarry
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  67. Y. Lavagne
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  68. J. Pamela
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  69. J. P. Pansart
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  70. F. Pierre
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CELLO-Collaboration., Behrend, H.J., Fenner, H. et al. New data on semihadronic decays of the τ lepton. Z. Phys. C - Particles and Fields 23, 103–109 (1984). https://doi.org/10.1007/BF01557585

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  • DOI: https://doi.org/10.1007/BF01557585

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