Radial excitations of hadronic bags | Zendy

Thomas DeGrand | Zendy; C. Rebbi | Zendy

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Radial excitations of hadronic bags

Author(s) -

Thomas DeGrand,

C. Rebbi

Publication year - 1978

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.17.2358

Subject(s) - physics , hadron , excited state , baryon , boson , particle physics , resonance (particle physics) , quark , spectrum (functional analysis) , energy spectrum , nuclear physics , atomic physics , quantum mechanics

We investigate the spectrum of radial excitations of the bag model. Breathing excitations of the surface of the bag couple to the radially excited states of quarks in the bag, resulting in a spectrum of states which interpolates between the energy levels of the fixed-cavity approximation. We discuss this effect in detail for a bag containing bosons. We apply our results to fermionic systems and find that the radial excitations of baryons contain an NP11(1410) Roper-resonance candidate as a natural consequence of the effects of breathing modes.

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