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




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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/



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