On the π and K as qq̄ bound states and approximate Nambu-Goldstone bosons

Shmuel Nussinov, Robert Shrock

Research output: Contribution to journalArticlepeer-review

Abstract

We reconsider the two different facets of π and K mesons as qq̄ bound states and approximate Nambu-Goldstone bosons. We address several topics, including masses, mass splittings between π and ρ and between K and K*, meson wave functions, charge radii, and the K-π wave function overlap.

Original languageEnglish
Article number016005
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume79
Issue number1
DOIs
StatePublished - 5 Jan 2009

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