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Measurements of relativistic time dilatation for positive and negative muons in a circular orbit

Nature volume 268, pages 301–305 (1977)Cite this article

Abstract

The lifetimes of both positive and negative relativistic (γ = 29.33) muons have been measured in the CERN Muon Storage Ring with the results τ+ = 64.419 (58) µs, τ− = 64.368 (29) µs The value for positive muons is in accordance with special relativity and the measured lifetime at rest: the Einstein time dilation factor agrees with experiment with a fractional error of 2×10−3 at 95% confidence. Assuming special relativity, the mean proper lifetime for μ− is found to be τ0− = 2.1948(10) µs the most accurate value reported to date. The agreement of this value with previously measured values of τ0+ confirms CPT invariance for the weak interaction in muon decay.

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References

  1. Bailey, J. et al. Nuovo Cimento 9 A, 369 (1972).

    Article  ADS  CAS  Google Scholar 

  2. Einstein, A. Ann. Phys. (Germany) 17, 891 (1905).

    Article  ADS  Google Scholar 

  3. Meyer, S. L. et al. Phys. Rev. 132, 2693 (1963).

    Article  ADS  CAS  Google Scholar 

  4. Bailey, J. et al. Phys. Lett. 55 B, 420 (1975).

    Article  Google Scholar 

  5. Combley, F. & Picasso, E. Phys. Rep. 14 C, 1 (1974).

    Article  ADS  CAS  Google Scholar 

  6. Farley, F. J. M. Contemp. Phys. 16, 413 (1975).

    Article  ADS  CAS  Google Scholar 

  7. Field, J. H. Proc. EPS Internat. Conf. High-Energy Phys. Palermo, 1975, p. 247 (Editrice Compositori, Bologna, 1976).

    Google Scholar 

  8. Combley, F. H. Proc. 7th Int. Symp. Lepton Photon Interactions at High Energies, Stanford, 1975 (ed. Kirk, W. T.) p. 913 (SLAC, Stanford, 1975).

    Google Scholar 

  9. Bailey, J. et al. Phys. Lett. 68 B, 191 (1977).

    Article  Google Scholar 

  10. Flegel, W. & Krienen, F. Nuclear Instrum. Meth. 13, 549 (1973).

    Article  ADS  Google Scholar 

  11. Pizer, H. I. Nuclear Instrum. Meth 123, 461 (1975).

    Article  ADS  Google Scholar 

  12. Pizer, H. I., van Köningsveld, L. & Verweij, H. CERN 76–17 (1976).

  13. Field, J. H., Lange, F. & von Rüden, W. Nuclear Instrum. Meth. 143, 227 (1977).

    Article  ADS  Google Scholar 

  14. Farley, F. J. M. & Carter, B. S. Nuclear Instrum. Meth. 28, 279 (1964).

    Article  ADS  Google Scholar 

  15. Borer, K. Nuclear Instrum. Meth. 143, 203 (1977).

    Article  ADS  CAS  Google Scholar 

  16. Borer, K. & Lange, F. Nuclear Instrum. Meth. 143, 219 (1977).

    Article  ADS  CAS  Google Scholar 

  17. Crowe, K. M. Phys. Rev. D 5, 2145 (1972).

    Article  CAS  Google Scholar 

  18. Balandin, M. P., Crebenyuk, V. M., Zinov, V. G., Konin, A. D. & Ponomarev, A. N. Soviet Phys. JETP 40, 811 (1974).

    ADS  Google Scholar 

  19. Nordberg, M. E., Lobkowicz, F. & Burman, R. L. Phys. Lett. 24 B, 594 (1967).

    Article  CAS  Google Scholar 

  20. Ayres, D. S. et al. Phys. Rev. D 3, 105 (1971).

    Google Scholar 

  21. Dunaitsev, A. F., Prokoshkin, Y. D., Razuvaev, E. A., Sergeev, V. A. & Simonov, Y. N. Soviet J. Nuclear Phys. 16, 292 (1973).

    Google Scholar 

  22. Ayres, D. S. et al. Phys. Rev. 157, 1288 (1967).

    Article  ADS  CAS  Google Scholar 

  23. Ott, R. J. & Pritchard, T. W. Phys. Rev. D 3, 52 (1971).

    ADS  Google Scholar 

  24. Lobkowicz, F., Melissinos, A. C., Nagashima, Y. & Tewksbury, S. Phys. Rev 185, 1676 (1969).

    Article  ADS  CAS  Google Scholar 

  25. Skjeggestad, O. et al. Nuclear Phys. 48 B, 343 (1972).

    Article  ADS  CAS  Google Scholar 

  26. Geweniger, C. et al. Phys. Lett. 48 B, 487 (1974).

    Article  CAS  Google Scholar 

  27. Carithers, W. C. et al. Phys. Rev. Lett. 34, 1244 (1975).

    Article  ADS  CAS  Google Scholar 

  28. Hay, H. J., Schiffer, J. P., Cranshaw, T. E. & Egelstaff, P. A. Phys. Rev. Lett. 4, 165 (1960).

    Article  ADS  CAS  Google Scholar 

  29. Hafele, J. C. & Keating, R. E. Science 177, 166 (1972).

    Article  ADS  CAS  Google Scholar 

  30. Pound, R. V. & Rebka, G. A., Phys. Rev. Lett. 4, 274 (1960).

    Article  ADS  CAS  Google Scholar 

  31. Vessot, R. F. C. & Levine, M. W. Metrologia 6, 116 (1970).

    Article  ADS  Google Scholar 

  32. Sherwin, C. W. Phys. Rev. 120, 17 (1960).

    Article  ADS  MathSciNet  Google Scholar 

  33. Romain, J. E. Rev. mod. Phys. 35, 376 (1963).

    Article  ADS  Google Scholar 

  34. Bailey, J. & Picasso, E. Prog. Nuclear Phys. 12, 43 (1970).

    CAS  Google Scholar 

  35. Ageno, M. & Amaldi, E. Academie Nazionali dei Lincei, Serie VIII, VIII, Fascicolo I (1966).

    Google Scholar 

  36. Blokhintsev, D. I. Phys. Lett. 12, 272 (1964).

    Article  ADS  Google Scholar 

  37. Rédei, L. B. Phys. Rev. 145, 999 (1967).

    Article  ADS  Google Scholar 

  38. Rédei, L. B. Phys. Rev. 162, 1299 (1967).

    Article  ADS  Google Scholar 

  39. Lüders, G. & Zumino, B. Phys. Rev. 106, 345 (1957).

    Article  ADS  MathSciNet  Google Scholar 

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Author information

Authors and Affiliations

  1. Daresbury Laboratory, Warrington, Lancashire, UK

    J. Bailey

  2. Physikalisches Institut, Universität Beon, Bern, Switzerland

    K. Borer

  3. Department of Physics, University of Sheffield, Sheffield, UK

    F. Combley

  4. European Organization for Nuclear Research, Geneva

    H. Drumm

  5. European Organization for Nuclear Research, Geneva

    F. Krienen

  6. Institut für Physik der Universität Mainz, Mainz, FRG

    F. Lange

  7. European Organization for Nuclear Research, Geneva

    E. Picasso

  8. Institut für Physik der Universität Mainz, Mainz, FRG

    W. von Ruden

  9. Royal Military College of Science, Shrivenham, Wiltshire, UK

    F. J. M. Farley

  10. European Organization for Nuclear Research, Geneva

    J. H. Field

  11. European Organization for Nuclear Research, Geneva

    W. Flegel

  12. Department of Physics, University of Birmingham, Birmingham, UK

    P. M. Hattersley

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  1. J. Bailey
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  6. F. Lange
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  9. F. J. M. Farley
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Bailey, J., Borer, K., Combley, F. et al. Measurements of relativistic time dilatation for positive and negative muons in a circular orbit. Nature 268, 301–305 (1977). https://doi.org/10.1038/268301a0

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