Three body calculation of the ΔΔ dibaryon candidate D 03(2370)

A. Gal; H. Garcilazo

doi:10.1103/PhysRevLett.111.172301

Three body calculation of the ΔΔ dibaryon candidate D ₀₃(2370)

A. Gal, H. Garcilazo

Escuela Superior de Física y Matemáticas (ESFM)

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

92 Citas (Scopus)

Resumen

The D₀₃ dibaryon is generated dynamically as a resonance pole in a πNΔ^′ three body model, where Δ ^′ is a stable Δ baryon. Using separable interactions dominated by the Δ(1232) isobar for πN and by the D₁₂(2150) isobar for NΔ^′, with D₁₂(2150) the NΔ dibaryon deduced in and constrained by D21 pp scattering, the model reduces to an effective two body problem for ΔΔ^′ which is solved. The mass and width of D₀₃ are found close to those of the I(JP)=0(3⁺) resonance peak observed by WASA-at-COSY in pion-production pn collisions at 2.37 GeV.

Idioma original	Inglés
Número de artículo	172301
Publicación	Physical Review Letters
Volumen	111
N.º	17
DOI	https://doi.org/10.1103/PhysRevLett.111.172301
Estado	Publicada - 21 oct. 2013

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abstract = "The D03 dibaryon is generated dynamically as a resonance pole in a πNΔ′ three body model, where Δ ′ is a stable Δ baryon. Using separable interactions dominated by the Δ(1232) isobar for πN and by the D12(2150) isobar for NΔ′, with D12(2150) the NΔ dibaryon deduced in and constrained by D21 pp scattering, the model reduces to an effective two body problem for ΔΔ′ which is solved. The mass and width of D03 are found close to those of the I(JP)=0(3+) resonance peak observed by WASA-at-COSY in pion-production pn collisions at 2.37 GeV.",

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AB - The D03 dibaryon is generated dynamically as a resonance pole in a πNΔ′ three body model, where Δ ′ is a stable Δ baryon. Using separable interactions dominated by the Δ(1232) isobar for πN and by the D12(2150) isobar for NΔ′, with D12(2150) the NΔ dibaryon deduced in and constrained by D21 pp scattering, the model reduces to an effective two body problem for ΔΔ′ which is solved. The mass and width of D03 are found close to those of the I(JP)=0(3+) resonance peak observed by WASA-at-COSY in pion-production pn collisions at 2.37 GeV.

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