Letter | Published:

Longitudinal Polarization of the Positrons from the Decay of Unpolarized Positive Muons

Nature volume 180, pages 751752 (12 October 1957) | Download Citation

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Abstract

IT is now well known that parity is not conserved in weak Fermi interactions, and that this generally results in longitudinal polarization of the spins of the emitted particles. Very strong polarizations of the muons emitted in pion decay1, and of the electrons emitted in beta decay2, have already been detected. The experiment reported here was aimed at detecting longitudinal polarization of the positrons emitted in the decay of unpolarized muons.

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Author information

Author notes

    • J. C. KLUYVER

    Present address: C.E.R.N., Geneva, Switzerland.

Affiliations

  1. Nuclear Physics Research Laboratory, University of Liverpool. Sept. 18.

    • G. CULLIGAN
    • , S. G. F. FRANK
    • , J. R. HOLT
    • , J. C. KLUYVER
    •  & T. MASSAM

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DOI

https://doi.org/10.1038/180751a0

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