Methodological notes

Transitional currents of spin-1/2 particles

Russian Federation State Scientific Center A.I. Alikhanov Institute ofTheoretical and Experimental Physics, ul. Bolshaya Cheremushkinskaya 25, Moscow, 117259, Russian Federation

The problem of constructing explicitly covariant representations for transitional currents of spin-1/2 particles is solved for both the nonrelativistic theory and the relativistic theory with massive particles. In the massless case, such representations exist only for transitional currents that are nondiagonal in helicity. The diagonal currents have algebraic representations that are not explicitly covariant.

Fulltext is available at IOP
PACS: 03.70.+k, 11.40.−q (all)
DOI: 10.1070/PU1994v037n06ABEH000029
Citation: Krivoruchenko M I "Transitional currents of spin-1/2 particles" Phys. Usp. 37 601–606 (1994)
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:    «   1/2» 164 643–649 (1994); DOI: 10.3367/UFNr.0164.199406e.0643

References (6) ↓ Cited by (4) Similar articles (19)

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