The Rarita--Schwinger field: dressing procedure and spin-parity content

Details The Rarita--Schwinger field: dressing procedure and spin-parity content The Rarita--Schwinger field: dressing procedure and spin-parity content

2004-09-06

arxiv.org/abs/hep-ph/0409052v3

Phys.Atom.Nucl. 69 (2006) 541-551; Yad.Fiz. 69 (2006) 563-573

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 5 figures; some typographical errors are corrected

Scientific paper

We obtain in analytical form the dressed propagator of the massive Rarita-Schwinger field taking into account all spin components. We found that the nearest analogy for dressing the Rarita--Schwinger field in spin--1/2 sector is dressing the two Dirac fermions of opposite parity with presence of mutual transitions. The calculation of the self-energy contributions confirms that besides the leading spin--3/2 component the Rarita--Schwinger field contains also two spin--1/2 components of different parity.

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