On the $π$ and $K$ as $q \bar q$ Bound States and Approximate Nambu-Goldstone Bosons

Details On the $π$ and $K$ as $q \bar q$ Bound States and Approximate Nambu-Goldstone Bosons On the $π$ and $K$ as $q \bar q$ Bound States and Approximate Nambu-Goldstone Bosons

2008-11-20

arxiv.org/abs/0811.3404v1

Phys.Rev.D79:016005,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, latex

Scientific paper

10.1103/PhysRevD.79.016005

We reconsider the two different facets of $\pi$ and $K$ mesons as $q \bar q$
bound states and approximate Nambu-Goldstone bosons. We address several topics,
including masses, mass splittings between $\pi$ and $\rho$ and between $K$ and
$K^*$, meson wavefunctions, charge radii, and the $K-\pi$ wavefunction overlap.

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