ΔΔ and ΔΔΔ bound states

A. Valcarce; H. Garcilazo; R. D. Mota; F. Fernández

doi:10.1088/0954-3899/27/1/101

ΔΔ and ΔΔΔ bound states

A. Valcarce, H. Garcilazo, R. D. Mota, F. Fernández

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Abstract

We calculate the two-and three-body spectra of deltas using a chiral quark cluster model and a meson-exchange model for the ΔΔ interaction. The ordering of the states is pretty much model independent. Both models predict the existence of four ΔΔ bound states that couple to the NN system. Three of these states can be identified with known NN states. The fourth state corresponds to a new NN resonance with isospin 0, spin 3 and positive parity. A possible signal of this resonance appears in recent analyses of NN data.

Original language	English
Pages (from-to)	L1-L7
Journal	Journal of Physics G: Nuclear and Particle Physics
Volume	27
Issue number	1
DOIs	https://doi.org/10.1088/0954-3899/27/1/101
State	Published - Jan 2001

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abstract = "We calculate the two-and three-body spectra of deltas using a chiral quark cluster model and a meson-exchange model for the ΔΔ interaction. The ordering of the states is pretty much model independent. Both models predict the existence of four ΔΔ bound states that couple to the NN system. Three of these states can be identified with known NN states. The fourth state corresponds to a new NN resonance with isospin 0, spin 3 and positive parity. A possible signal of this resonance appears in recent analyses of NN data.",

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AU - Mota, R. D.

AU - Fernández, F.

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N2 - We calculate the two-and three-body spectra of deltas using a chiral quark cluster model and a meson-exchange model for the ΔΔ interaction. The ordering of the states is pretty much model independent. Both models predict the existence of four ΔΔ bound states that couple to the NN system. Three of these states can be identified with known NN states. The fourth state corresponds to a new NN resonance with isospin 0, spin 3 and positive parity. A possible signal of this resonance appears in recent analyses of NN data.

AB - We calculate the two-and three-body spectra of deltas using a chiral quark cluster model and a meson-exchange model for the ΔΔ interaction. The ordering of the states is pretty much model independent. Both models predict the existence of four ΔΔ bound states that couple to the NN system. Three of these states can be identified with known NN states. The fourth state corresponds to a new NN resonance with isospin 0, spin 3 and positive parity. A possible signal of this resonance appears in recent analyses of NN data.

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DO - 10.1088/0954-3899/27/1/101

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SP - L1-L7

JO - Journal of Physics G: Nuclear and Particle Physics

JF - Journal of Physics G: Nuclear and Particle Physics

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ΔΔ and ΔΔΔ bound states

Abstract

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