Goldstone Boson's Valence-Quark Distribution

Details Goldstone Boson's Valence-Quark Distribution Goldstone Boson's Valence-Quark Distribution

2001-11-12

arxiv.org/abs/nucl-th/0111030v1

Nucl.Phys.Proc.Suppl.108:227-233,2002

Physics

Nuclear Physics

Nuclear Theory

7 pages, LaTeX2e, espcrc2.sty; Summary of a presentation at the 11th International Light-Cone Workshop: ``Light-cone Physics:

Scientific paper

10.1016/S0920-5632(02)01333-6

Dynamical chiral symmetry breaking (DCSB) is one of the keystones of low-energy hadronic phenomena. Dyson-Schwinger equations provide a model-independent quark-level understanding and correlate that with the behaviour of the pion's Bethe-Salpeter amplitude. This amplitude is a core element in the calculation of pion observables and combined with the dressed-quark Schwinger function required by DCSB it yields a valence-quark distribution function for the pion that behaves as (1-x)^2 for x~1, in accordance with perturbative analyses. This behaviour can be verified at contemporary experimental facilities.

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