Geodesic
Method for calculating the cross section of binary reactions with polarized particles
Problemy fiziki, matematiki i tehniki, no. 1 (2021), pp. 7-12.

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A new technique for calculating the cross sections for binary reactions with polarized particles has been developed. The technique is based on direct calculation of matrix elements in a special form using the method of basis spinors. New analytical formulas for integrating differential cross sections with respect to the scattering angle of a binary reaction are presented.
Keywords: binary reaction, Feynman diagram, bispinor, helicity. 
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V. V. Andreev. Method for calculating the cross section of binary reactions with polarized particles. Problemy fiziki, matematiki i tehniki, no. 1 (2021), pp. 7-12. http://geodesic.mathdoc.fr/item/PFMT_2021_1_a0/

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