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The high energy double photon bremsstrahlung processe ± e ?→e ± e ?γγ at small angles for arbitrary polarizations of the particles |
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| Authors: | E A Kuraev A Schiller V G Serbo |
| Institution: | 1. Institute of Nuclear Physics, SU-630090, Novosibirsk, USSR 2. Sektion Physik, Karl-Marx-Universit?t, DDR-7010, Leipzig, GDR 3. Novosibirsk State University, SU-630090, Novosibirsk, USSR |
| Abstract: | The amplitude of the processe ± e ?→e ± e ? γγ is found in the main region of the scattering anglesm/E?θ i ?1. The result has a simple form convenient for the calculations of various cross sections. The energydσ/dω 1 dω 2 and the energy-angulardσ/d 3 k 1 dω 2,dσ/d 3 k 1 d 3 k 2 distributions of the photons are found for the case when the initial electrons are polarized and the photon polarizations are measured. It is shown that the measurement of the mean photon helicities allows to determine the polarizations of the initial electrons. |
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