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

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

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 decay 1 , and of the electrons emitted in beta decay 2 , have alrea...

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Veröffentlicht in:Nature 1957-10, Vol.180 (4589), p.751-752
Hauptverfasser: CULLIGAN, G., FRANK, S. G. F., HOLT, J. R., KLUYVER, J. C., MASSAM, T.
Format: Artikel
Sprache:eng
Schlagworte:
DECAY
Humanities and Social Sciences
INTERACTIONS
letter
multidisciplinary
MUONS
PHYSICS
POLARIZATION
POSITRONS
Science
Science (multidisciplinary)
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Beschreibung
Zusammenfassung: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 decay 1 , and of the electrons emitted in beta decay 2 , have already been detected. The experiment reported here was aimed at detecting longitudinal polarization of the positrons emitted in the decay of unpolarized muons.
ISSN:0028-0836
1476-4687
DOI:10.1038/180751a0