The Rarita--Schwinger field: renormalization and phenomenology

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dc.creatorKaloshin, A. E.
dc.creatorLomov, V. P.
dc.date2007-02-12
dc.date2007-02-24
dc.date.accessioned2026-07-07T11:02:43Z
dc.date.available2026-07-07T11:02:43Z
dc.descriptionWe discuss renormalization of propagator of interacting Rarita--Schwinger field. Spin-3/2 contribution after renormalization takes usual resonance form. For non-leading spin-1/2 terms we found procedure, which guarantees absence of poles in energy plane. The obtained renormalized propagator has one free parameter and is a straight generalization of the famous free propagator of Moldauer and Case. Application of this propagator for production of $Δ^{++}(1232)$ in $π^{+}\particle{p}\to π^{+}\particle{p}$ leads to good description of total cross-section and to reasonable agreement with results of partial wave analysis.
dc.description19 pages, 3 figures, revtex4; misprints, min editorial changes
dc.identifierhttps://arxiv.org/abs/hep-ph/0702116
dc.identifierhttp://arxiv.org/abs/hep-ph/0702116
dc.identifierInt.J.Mod.Phys.A22:4495-4518,2007
dc.identifierdoi:10.1142/S0217751X07036713
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188342
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.subjectNuclear Theory
dc.titleThe Rarita--Schwinger field: renormalization and phenomenology
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