TY  - JOUR
AU  - Romanets, O.
AU  - Tolos, L.
AU  - Garcia-Recio, C.
AU  - Nieves, J.
AU  - Salcedo, L. L.
AU  - Timmermans, R. G. E.
PY  - 2012
DA  - 2012//
TI  - Charmed and strange baryon resonances with heavy-quark spin symmetry
T2  - Phys. Rev. D
JO  - Physical Review D
SP  - 114032
EP  - 30pp
VL  - 85
IS  - 11
PB  - Amer Physical Soc
AB  - We study charmed and strange baryon resonances that are generated dynamically by a unitary baryon-meson coupled-channel model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3) Weinberg-Tomozawa chiral Lagrangian to SU(8) spin-flavor symmetry plus a suitable symmetry breaking. The model produces resonances with negative parity from s-wave interaction of pseudoscalar and vector mesons with 1/2(+) and 3/2(+) baryons. Resonances in all the isospin, spin, and strange sectors with one, two, and three charm units are studied. Our results are compared with experimental data from several facilities, such as the CLEO, Belle or BABAR collaborations, as well as with other theoretical models. Some of our dynamically-generated states can be readily assigned to resonances found experimentally, while others do not have a straightforward identification and require the compilation of more data and also a refinement of the model. In particular, we identify the Xi(c)(2790) and Xi(c)(2815) resonances as possible candidates for a heavy-quark spin symmetry doublet.
SN  - 1550-7998
UR  - http://arxiv.org/abs/1202.2239
UR  - https://doi.org/10.1103/PhysRevD.85.114032
DO  - 10.1103/PhysRevD.85.114032
LA  - English
N1  - WOS:000305560500004
ID  - Romanets_etal2012
ER  -