Relativistic three-body model of the pi pi pi system

H. Garcilazo, L. Mathelitsch

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Abstract

A three-body isobar model which satisfies Lorentz invariance and two- and three-body unitarity is used to study the continuum three-pion problem. This model has as input the pi pi amplitudes in the channels with l=0 and l=1. The authors have found that most of the low-lying resonances that decay predominantly into three pions can be explained as being due to the three-body mechanism. The model also predicts resonances with isospin 2. They have calculated the phase shifts of the pi rho system in the channel of the omega resonance.
Original languageAmerican English
JournalJournal of Physics G: Nuclear and Particle Physics
DOIs
StatePublished - 1 Dec 1993
Externally publishedYes

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Mesons
pions
isobars
invariance
phase shift
continuums
decay

Cite this

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Relativistic three-body model of the pi pi pi system. / Garcilazo, H.; Mathelitsch, L.

In: Journal of Physics G: Nuclear and Particle Physics, 01.12.1993.

Research output: Contribution to journalArticleResearchpeer-review

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AB - A three-body isobar model which satisfies Lorentz invariance and two- and three-body unitarity is used to study the continuum three-pion problem. This model has as input the pi pi amplitudes in the channels with l=0 and l=1. The authors have found that most of the low-lying resonances that decay predominantly into three pions can be explained as being due to the three-body mechanism. The model also predicts resonances with isospin 2. They have calculated the phase shifts of the pi rho system in the channel of the omega resonance.

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