SPECIAL ISSUE — Chiral Symmetry in Hadrons and Nuclei; Guest Editors: Li-Sheng Geng, Jie Meng, Qiang Zhao and Bing-Song ZouNo Access
Compositeness of hadron resonances in chiral dynamics
https://doi.org/10.1142/S0218301314610035Cited by:1 (Source: Crossref)
Abstract
Recent experimental observations of many unconventional hadronic states stimulate an interest in the structure of hadrons. While various internal configurations have been proposed, it is a subtle problem to identify the structure of hadron resonances in a model independent manner. Here we discuss the composite/elementary nature of hadrons using the field renormalization constant Z. In particular, we show that the magnitude of the effective range parameter re is related to the structure of s-wave near-threshold resonances.
Based on a plenary talk presented at the Seventh International Symposium on Chiral Symmetry in Hadrons and Nuclei, Beijing, China, 27–30 October 2013.
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