Hyperfine effects in charmed baryons

Details Hyperfine effects in charmed baryons Hyperfine effects in charmed baryons

2000-02-08

arxiv.org/abs/hep-ph/0002088v1

Phys.Lett. B476 (2000) 309-315

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, Latex, one postscript figure

Scientific paper

10.1016/S0370-2693(00)00165-9

Hadron masses are calculated in quenched lattice QCD with a fermion action of the D234 type on an anisotropic lattice. Hyperfine splittings for singly charmed baryons are found to be in agreement with expectations from the quark model and with a magnitude slightly larger than experimental values. Masses of doubly charmed baryons are also calculated and compared to a variety of model calculations. Hyperfine splittings in doubly charmed baryons are found to be slightly smaller than in singly charmed states.

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