Summary
A new quantum number is introduced which leads to selection rules concerning transitions between states with heavy particle number = 0. They are applied to the system nucleon-antinucleon; it is also shown that they can be extended to include the conservation of strangeness.
Riassunto
Si introduce un nuovo numero quanticoG che porta a regole di selezione riguardanti le transizioni fra stati con un numeroN di particelle pesanti nullo. Tali regole sono poi applicate al sistema nucleone-antinucleone e viene anche mostrato che esse possono essere estese in modo da comprendere la conservazione della « stranezza »S.
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References
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Lee, T.D., Yang, C.N. Charge conjugation, a new quantum numberG, and selection rules concerning a nucleon-antinucleon system. Nuovo Cim 3, 749–753 (1956). https://doi.org/10.1007/BF02744530
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DOI: https://doi.org/10.1007/BF02744530