Abstract
Two isomers of the nucleon, consisting of three 1S quarks and a transverse electric gluon, are predicted by the bag model to exist at masses around 1600 MeV. Mixing of these states with the nucleons seems unacceptably large. With this motivation we reformulate the problem in terms of valons — dressed quark and gluon single-particle eigenstates of (part of) the QCD bag hamiltonian. Now composed of valons, the nucleon and gluonic nucleons are decoupled, thereby retaining previous descriptions of the nucleon. One isomer should be visible in πN elastic scattering and might be the N ∗ (1710).
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