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Pseudoscalar meson radial excitations

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Oct 2004Embargo end date: 01 Jan 2004 English Publisher:American Physical Society (APS)Journal:Physical Review C, volume 70 (issn: 0556-2813, eissn: 1089-490X,

Authors: Craig D. Roberts; Craig D. Roberts; A. Höll; Andreas Krassnigg;

doi: 10.1103/physrevc.70.042203 , 10.48550/arxiv.nucl-th/0406030

arXiv: http://arxiv.org/abs/nucl-th/0406030

Pseudoscalar meson radial excitations

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Abstract

Goldstone modes are the only pseudoscalar mesons to possess a nonzero leptonic decay constant in the chiral limit when chiral symmetry is dynamically broken. The decay constants of their radial excitations vanish. These features and aspects of their impact on the meson spectrum are illustrated using a manifestly covariant and symmetry preserving model of the kernels in the gap and Bethe-Salpeter equations.

5 pages, 3 figures

Related Organizations

Argonne National Laboratory
United States
Argonne National Laboratory - Physics Division
Argonne National Laboratory
University of Rostock
Germany
Kent State University, East Liverpool
United States

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Keywords

Nuclear Theory (nucl-th), High Energy Physics - Phenomenology, High Energy Physics - Lattice, High Energy Physics - Phenomenology (hep-ph), Nuclear Theory, High Energy Physics - Lattice (hep-lat), FOS: Physical sciences, Nuclear Experiment (nucl-ex), Nuclear Experiment

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