Angular Correlation between Annihilation Products and Kα X Ray in pp̄ Annihilation at Rest

  • J.-C. Bizot
Part of the Ettore Majorana International Science Series book series (EMISS, volume 17)


If a Kα ray of the quasi atomic protonium system is detected, the annihilation occurs from the fundamental state which is either a 1S° or a 3S1 state. It is obvious that the annihilation from the 1S° state is isotropic. Anisotropy can occur in 3S1 state annihilation if the three magnetic substates m = 1, 0, -1 are not equally populated.


Angular Correlation Fundamental State Spin Angular Momentum Magnetic Substate Total Angular Momen 
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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • J.-C. Bizot
    • 1
  1. 1.Laboratoire de l’Accélérateur LinéaireOrsay CedexFrance

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