ΔΔ and ΔΔΔ bound states

被引：23
|
作者：
Valcarce, A [1 ]
Garcilazo, H
Mota, RD
Fernández, F
机构：
[1] Univ Salamanca, Grp Fis Nucl, E-37008 Salamanca, Spain
[2] Inst Politecn Nacl, Escuela Super Fis & Matemat, Mexico City 07738, DF, Mexico
来源：
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2001年 / 27卷 / 01期
关键词：
D O I：
10.1088/0954-3899/27/1/101
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
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 predict the existence of four aa 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.
引用
收藏
页码：L1 / L7
页数：7
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