Delta Delta and Delta Delta Delta bound states

Citation
A. Valcarce et al., Delta Delta and Delta Delta Delta bound states, J PHYS G-NU, 27(1), 2001, pp. L1-L7
Citations number
16
Categorie Soggetti
Physics
Journal title
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
ISSN journal
09543899 → ACNP
Volume
27
Issue
1
Year of publication
2001
Pages
L1 - L7
Database
ISI
SICI code
0954-3899(200101)27:1<L1:DDADDD>2.0.ZU;2-H
Abstract
We calculate the two- and three-body spectra of deltas using a chiral quark cluster model and a meson-exchange model for the Delta Delta interaction. The ordering of the states is pretty much,model independent. Both models pr edict the existence of four aa bound states that couple to the NN system. T hree of these states. can be identified with known NN states. The fourth st ate 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 N N data.