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A measurement of the τ lepton lifetime

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Zeitschrift für Physik C Particles and Fields

Abstract

The lifetime of the τ lepton was measured using two different techniques. From the impact parameter distribution of 3132 one prong decays ττ = (289±33±26) fs was obtained and from the decay length distribution of 648 three prong decays ττ = (309 +35−34 ±11) fs. These results were combined to give a final value of ττ = (301±29) fs.

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Author notes

  1. S. Bethke

    Present address: LBL, Berkeley, Calif, USA

  2. S. L. Cartwright & U. Schneekloth

    Present address: MIT, Cambridge, Mass, USA

  3. S. Komamiya

    Present address: SLAC, Calif, USA

  4. N. Magnussen & D. Schmidt

    Present address: Universität-Gesamthochschule Wuppertal, Wuppertal, FRG

  5. K. H. Hellenbrand

    Present address: Universität des Saarlandes, Saarbrücken, FRG

  6. J. A. J. Skard

    Present address: Systems Corporation, Lanham, Md, USA

  7. K. Ambrus

    Present address: MBB, München, FRG

  8. P. Hill & R. Ramcke

    Present address: DESY, Hamburg, FRG

  9. H. Kado

    Present address: Bayer AG, Brunsbüttel, FRG

  10. M. Kuhlen

    Present address: CALTEC, Calif, USA

  11. J. Spitzer

    Present address: MPI, Heidelberg, FRG

Authors and Affiliations

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

    W. Bartel, R. Felst, D. Haidt, H. Kado, G. Knies, H. Krehbiel, N. Magnussen, R. Meinke, B. Naroska, J. Olsson, D. Schmidt & P. Steffen

  2. II. Institut für Experimentalphysik der Universität Hamburg, Hamburg, Federal Republic of Germany

    C. Kleinwort, T. Greenshaw, J. Hagemann, G. Heinzelmann, M. Kuhlen, F. Ould-Saada, R. Ramcke, U. Schneekloth & G. Weber

  3. Physikalisches Institut der Universität Heidelberg, Heidelberg, Federal Republic of Germany

    K. Ambrus, S. Bethke, A. Dieckmann, G. Eckerlin, E. Elsen, J. Heintze, K. H. Hellenbrand, S. Komamiya, J. v. Krogh, H. Rieseberg, H. v. d. Schmidt, L. Smolik, J. Spitzer, A. Wagner & M. Zimmer

  4. University of Lancaster, Lancaster, England

    C. K. Bowdery, A. J. Finch, F. Foster, G. Hughes, J. M. Nye & I. W. Walker

  5. University of Manchester, Manchester, England

    J. Allison, R. J. Barlow, J. Chrin, I. P. Duerdoth, F. K. Loebinger, A. A. Macbeth, P. G. Murphy & K. Stephens

  6. University of Maryland, College Park, Md, USA

    P. Hill, J. A. J. Skard & G. T. Zorn

  7. Rutherford Appleton Laboratory, Chilton, Didcot, England

    S. L. Cartwright, D. Clarke, R. Marshall & R. P. Middleton

  8. International Center for Elementary Particle Physics, University of Tokyo, Tokyo, Japan

    K. Kawagoe, T. Mashimo & H. Takeda

Authors
  1. C. Kleinwort
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  2. J. Allison
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  3. K. Ambrus
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  5. W. Bartel
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  6. S. Bethke
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  7. C. K. Bowdery
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  9. J. Chrin
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  10. D. Clarke
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  12. I. P. Duerdoth
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  13. G. Eckerlin
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  14. E. Elsen
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  15. R. Felst
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  16. A. J. Finch
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  17. F. Foster
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  18. T. Greenshaw
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  19. J. Hagemann
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  20. D. Haidt
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  21. J. Heintze
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  23. K. H. Hellenbrand
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  24. P. Hill
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  25. G. Hughes
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  26. H. Kado
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  27. K. Kawagoe
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  28. G. Knies
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  29. S. Komamiya
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  30. H. Krehbiel
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  31. J. v. Krogh
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  32. M. Kuhlen
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  33. F. K. Loebinger
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  34. A. A. Macbeth
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  35. N. Magnussen
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  36. R. Marshall
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  37. T. Mashimo
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  48. H. v. d. Schmidt
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  49. L. Smolik
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  50. U. Schneekloth
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  51. J. A. J. Skard
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  59. M. Zimmer
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  60. G. T. Zorn
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JADE-Collaboration., Kleinwort, C., Allison, J. et al. A measurement of the τ lepton lifetime. Z. Phys. C - Particles and Fields 42, 7–15 (1989). https://doi.org/10.1007/BF01565124

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  • DOI: https://doi.org/10.1007/BF01565124

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