Stable Heavy Pentaquark States

Details Stable Heavy Pentaquark States Stable Heavy Pentaquark States

2004-02-09

arxiv.org/abs/hep-ph/0402076v1

Phys.Lett. B590 (2004) 185-189

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages

Scientific paper

10.1016/j.physletb.2004.03.087

If the Theta^+(1540) is interpreted as a bound state of a $\bar s$ quark and two (ud) diquarks in a relative P-wave, then it is very likely that there exist pentaquark states with a heavy antiquark, $\bar b$ or $\bar c$, and two ``light'' diquarks in a relative S-wave which are stable against strong decays. We make a mass estimate for exotic states of this type and discuss their weak decays. Isospin relations are constructed which test their flavor quantum numbers.

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