Eta-eta prime mixing in chiral perturbation theory

Date

2008

Author

Kokulu, Ahmet

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Quantum Chromodynamics (QCD) is believed to be the theory of strong interactions. At high energies, it has been successfully applied to explain the interactions in accelerators. At these energies, the method used to do the calculations is perturbation theory. But at low energies, since the strong coupling constant becomes large, perturbation theory is no longer applicable. Hence, one needs non-perturbative approaches. Some of these approaches are based on the fundamental QCD Lagrangian, such as the QCD sum rules or lattice calculations. Some others use an effective theory approach to relate experimental observables one to the other. Chiral Perturbation Theory (ChPT) is one of these approaches. In this thesis, we make a review of chiral perturbation theory and its applications to study the mixing phenomenon between the neutral pseudoscalar mesons eta and eta-prime.

Subject Keywords

Physics., Internet.

URI

http://etd.lib.metu.edu.tr/upload/3/12609808/index.pdf
https://hdl.handle.net/11511/17760

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Graduate School of Natural and Applied Sciences, Thesis