ΔΔ and ΔΔΔ bound states

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

Research output: Contribution to journalArticleResearchpeer-review

22 Citations (Scopus)

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 languageAmerican English
JournalJournal of Physics G: Nuclear and Particle Physics
DOIs
StatePublished - 1 Jan 2001

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Mesons
Parity
parity
mesons
quarks
interactions

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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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ΔΔ and ΔΔΔ bound states. / Valcarce, A.; Garcilazo, H.; Mota, R. D.; Fernández, F.

In: Journal of Physics G: Nuclear and Particle Physics, 01.01.2001.

Research output: Contribution to journalArticleResearchpeer-review

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T1 - ΔΔ and ΔΔΔ bound states

AU - Valcarce, A.

AU - Garcilazo, H.

AU - Mota, R. D.

AU - Fernández, F.

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Y1 - 2001/1/1

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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