Projective method for spinorial techniques: Unifying calculational schemes of Dirac amplitudes | Zendy

Edgar Andrés Sánchez | Zendy; M. Moreno | Zendy

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Projective method for spinorial techniques: Unifying calculational schemes of Dirac amplitudes

Author(s) -

Edgar Andrés Sánchez,

M. Moreno

Publication year - 2019

Publication title -

revista mexicana de física

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.181

H-Index - 25

eISSN - 2683-2224

pISSN - 0035-001X

DOI - 10.31349/revmexfis.65.639

Subject(s) - spinor , massless particle , dirac (video compression format) , dirac spinor , spin (aerodynamics) , helicity , dirac equation , physics , computation , amplitude , multiplication (music) , theoretical physics , dirac algebra , mathematical physics , quantum mechanics , mathematics , algorithm , neutrino , acoustics , thermodynamics

There have been numerous approaches to the calculation of spin dependent amplitudes for Dirac particles. All of them have their own advantages, particularly, the standard method of calculation, based on the multiplication by the unit, has a few shortcomings. In this work we use the closure property of the Dirac spinors to present a general method for the amplitude computation. It is shown that the massless spinor method and the helicity spinor method can be formulated through this method. Finally, we get an example of this calculation procedure computing the spin dependentamplitude for the Compton process.

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