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Il Nuovo Cimento (1955-1965)

, Volume 5, Issue 1, pp 299–301 | Cite as

On parity conservation and neutrino mass

  • Abdus Salam
Lettere Alla Redazione

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References

  1. (1).
    C. N. Yang andT. D. Lee. The author is indebted for a pre-print.Google Scholar
  2. (2).
    This is not the mass-reversal transformation discussed byJ. Tiomno (Nuovo Cimento,1, 226 (1955)) which requires invariance of the total Lagrangian when a substitutionψγ 5 ψ,m → −m is made for all fields. In this case neutrino self-mass δm v need not vanish. In fact δm vmf(m 2) and thus\(\delta m_\nu \bar \psi _\nu \psi _\nu \) does not change sign.MathSciNetCrossRefzbMATHGoogle Scholar
  3. (3).
    We write all field operators with their particle symbols: thusπ(x) stands for the π-meson field,v(x) for the neutrino-field etc.Google Scholar

Copyright information

© Società Italiana di Fisica 1957

Authors and Affiliations

  • Abdus Salam
    • 1
  1. 1.St. John’s CollegeCambridge

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