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- Title
MESON ASSISTED DIBARYONS.
- Authors
GAL, AVRAHAM
- Abstract
We discuss a new type of L = 0 positive-parity dibaryons, πBBt, where the dominant binding mechanism is provided by resonating p-wave pionbaryon interactions. Recent calculations of such pion assisted dibaryons are reviewed with special emphasis placed on the non-strange I(JP ) = 1(2+) NΔ dibaryon D12(2150) studied recently at JLab, and on the 0(3+) ΔΔ dibaryon D03(2380) discovered recently by the WASA-at-COSY Collaboration. We discuss recent searches by the HADES Collaboration at GSI and by the E15 and E27 Experiments at J-PARC for a strangeness S = -1 I(JP) = ½ (0-) K-pp dibaryon and perhaps also for a strange I(JP) = 3/2(2+) N Σ(1385) pion assisted dibaryon Y3/22 (2270). Charm C = +1 dibaryons, predicted with the same I(JP) values, are also briefly reviewed.
- Subjects
MESONS; DIBARYON; EXOTIC baryons; PIONS; BARYONS
- Publication
Acta Physica Polonica B, 2016, Vol 47, Issue 2, p471
- ISSN
0587-4254
- Publication type
Article
- DOI
10.5506/APhysPolB.47.471