# On the $π$ and $K$ as $q ar q$ Bound States and Approximate Nambu-Goldstone Bosons - High Energy Physics - Phenomenology

On the $π$ and $K$ as $q ar q$ Bound States and Approximate Nambu-Goldstone Bosons - High Energy Physics - Phenomenology - Download this document for free, or read online. Document in PDF available to download.

Abstract: 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 $ ho$ and between $K$ and$K^*$, meson wavefunctions, charge radii, and the $K-\pi$ wavefunction overlap.

Author: ** Shmuel Nussinov, Robert Shrock**

Source: https://arxiv.org/