Pion and Kaon Dynamics at Higher Orders in Chiral Perturbation Theory

Detta är en avhandling från Department of Theoretical Physics

Författare: Pierre Dhonte; Lunds Universitet.; Lund University.; [2004]

Nyckelord: NATURVETENSKAP; NATURAL SCIENCES; quantum mechanics relativity classical mechanics scattering form factors Mathematical and general theoretical physics pseudo-scalar mesons strong interactions chiral perturbation theory gravitation statistical physics thermodynamics Matematisk och allmän teoretisk fysik klassisk mekanik kvantmekanik relativitet gravitation statistisk fysik termodynamik;

Sammanfattning: Higher orders calculations of processes involving the pion and kaon pseudo-scalar mesons are presented in the framework of three flavour Chiral Perturbation Theory. The purpose is two-fold. First determining the low energy constants of ChPT that are necessary for higher accuracy predictions. Secondly, testing the validity of the chiral expansion in the strange quark mass, with emphasis on the values of two constants of the next-to-leading order Lagrangian, which could depart from those originally fixed by the OZI rule.

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