Summary
The problem of the γ-γ double angular correlation is examined in which the circular polarization state of photons is observed. The relation among the various possible correlations is discussed. The Legendre polynomials of odd order introduce an asymmetry around the valueβ = π/2, whereβ is the. angle between the two radiations. Numerical calculations have been made for the γ-γ cascade of60Co.
Riassunto
Viene esaminato il problema della doppia correlazione angolare γ-γ in oui si osserva lo stato di polarizzazione oiroolare dei fotoni e si discute la relazione tra le varie possibili correlazioni. La presenza dei polinomi di Legendre di ordine dispari introduce un’asimmetria intorno al valore β = π/2, dove β è l’angolo fra le due radiazioni. Si sono fatti calcoli numerici per la cascata γ-γ del60Co.
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Reference
L. C. B’iedenharn andM. E. Rose:Rev. Mod. Phys.,25, 729 (1953).
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Beltrametti, E.G. Gamma-gamma angular correlations with circular polarization measurements. Nuovo Cim 8, 445–450 (1958). https://doi.org/10.1007/BF02828751
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DOI: https://doi.org/10.1007/BF02828751