Abstract
A technique for reducing the matrix elements of the reactions of the interaction of elementary particles with the participation of massive fermions to spinor products is considered. For bispinors describing massive fermions, "spinor" Chisholm identities have been obtained.
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Andreev, V.V. Refined Spinor Technique for Calculation of the Amplitudes of Processes with Massive Fermions. Russian Physics Journal 43, 899–904 (2000). https://doi.org/10.1023/A:1011366505512
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DOI: https://doi.org/10.1023/A:1011366505512