Abstract
Study of exotic hadrons, which cannot be interpreted as ordinary three-quark baryons or quark-antiquark mesons, would offer us a good opportunity to investigate low-energy quark dyanmics. The pentaquark \(\varTheta ^+\) has a strangeness quantum number \(S=+1\) with its minimal quark configuration of \(uudd\bar{s}\). The distinct features of the \(\varTheta ^+\) are a light mass of about 1540 MeV and a narrow width of a few MeV or less.
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References
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Moritsu, M. (2016). Conclusion. In: Search for the Pentaquark Θ+ via the π−p → K−X Reaction at J-PARC. Springer Theses. Springer, Singapore. https://doi.org/10.1007/978-981-10-0012-6_6
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DOI: https://doi.org/10.1007/978-981-10-0012-6_6
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