Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/17547
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Type: | Journal article |
Title: | Neutral pion decay in dense Skyrmion matter |
Author: | Kalloniatis, Alexander Constantine Park, Byung-Yoon |
Citation: | Physical Review D, 2005; 71(3):034010 |
Publisher: | American Physical Society |
Issue Date: | 2005 |
ISSN: | 1550-7998 |
School/Discipline: | Centre for the Sub-Atomic Structure of Matter School of Chemistry and Physics : Physics and Mathematical Physics |
Statement of Responsibility: | Alexander C. Kalloniatis, and Byung-Yoon Park |
Abstract: | We study the density dependence of the decay π0→γγ using the Skyrme Lagrangian to describe simultaneously both the matter background and mesonic fluctuations. The classical ground state configuration has different chiral properties depending on the Skyrmion density, which is reflected in the physical properties of pion fluctuating on top of the classical background. This leads to large suppression at high density of both photo-production from the neutral pion and the reverse process. The effective charges of π± are also discussed in the same framework. |
Rights: | ©2005 American Physical Society |
DOI: | 10.1103/PhysRevD.71.034010 |
Appears in Collections: | Special Research Centre for the Subatomic Structure of Matter publications |
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