Summary
It is shown that the pseudoscalar charge density of spin-1/2 particles induced by parity-violating interactions is not physically observable. Its effect on the spin direction of an electron in a longitudinal electric field is explicitly. calculated and found to be null. This result contradicts recent calculations of Hiida.
Riassunto
Si dimostra clie la densità di carica pseudoscalare delle particelle con spin 1/2 indotta da interazioni che violano la parità non è fisicamente osservabile. Si calcola esplicitamente il suo effetto sulla direzione dello spin di un elettrone in un campo elettrico longitudinale e si trova che è nullo. Questo risultato contraddice recenti calcoli di Hiida.
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References
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Von Baeyer, H.C. Nonobservability of pseudoscalar charge density. Nuovo Cim 38, 925–931 (1965). https://doi.org/10.1007/BF02748607
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DOI: https://doi.org/10.1007/BF02748607