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https://hdl.handle.net/2440/87271
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Type: | Conference paper |
Title: | QCD symmetries in η- and η′-mesic nuclei |
Other Titles: | QCD symmetries in eta- and eta '-mesic nuclei |
Author: | Bass, S. Thomas, A. |
Citation: | Acta Physica Polonica, Series B: Elementary Particle Physics, Nuclear Physics, Statistical Physics, Theory of Relativity, Field Theory, 2014, vol.45, iss.3, pp.627-638 |
Publisher: | Institute of Physics Jagiellonian University |
Issue Date: | 2014 |
ISSN: | 0587-4254 1509-5770 |
Conference Name: | 2nd International Symposium on Mesic Nuclei (22 Sep 2013 - 25 Sep 2013 : Krakow, POLAND) |
Statement of Responsibility: | Steven D. Bass, Anthony W. Thomas |
Abstract: | We discuss the role of QCD symmetries and confinement in understanding η- and η′-mesic nuclei. η and η′ bound states in nuclei are sensitive to the flavour-singlet component in the meson. The bigger the singlet component, the more attraction and the greater the binding. Recent results on the η′ mass in nuclei from the CBELSA/TAPS Collaboration are very similar to the prediction of the Quark Meson Coupling model. In the model, η–η′ mixing induces a factor of two enhancement of the η-nucleon scattering length aηN relative to the prediction with a pure octet η with real part about 0.8 fm. |
Rights: | Copyright status unknown |
DOI: | 10.5506/APhysPolB.45.627 |
Published version: | http://dx.doi.org/10.5506/aphyspolb.45.627 |
Appears in Collections: | Aurora harvest 7 Chemistry and Physics publications |
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