Compositeness of Hadron Resonances and Quasi-Bound States
classification
✦ hep-ph
nucl-th
keywords
statescompositenessquasi-boundresonancesappearingboundcompositedetermined
read the original abstract
We discuss the composite nature of hadrons appearing near the s-wave two-hadron threshold. Generalizing the Weinberg's weak-binding relation for stable bound states, we show that the compositeness of near-threshold resonances and quasi-bound states can be determined by observable quantities.
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