Abstract
The exact matrix element for the production of two circularly polarised photons in a double Compton scattering when the initial photon is also circularly polarised is calculated. The differential cross-sections for the various photon-electron polarisation correlations are obtained for high energy photons (i.e.) taking only near forward emission of photons. It is found that irrespective of the spin of the initial electron, the cross-section for either right or left circular polarisation of all three photons is zero under this approximation.
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We would like to express our gratitude to Mr. N. R.Ranganathan for having suggested the problem and ProfessorAlladi Ramakrishnan for his guidance throughout. One of us (T. K. R.) is indebted to the Atomic Energy Commission, Government of India, for the award of a Junior Research Fellowship and the other (R. T.) to the University of Madras for facilities afforded for research work.
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Radha, T.K., Thunga, R. Photon-electron correlations in double Compton scattering. Z. Physik 161, 20–25 (1961). https://doi.org/10.1007/BF01341797
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DOI: https://doi.org/10.1007/BF01341797