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NMK and ΛΛK amplitudes in chiral perturbation theory

✍ Scribed by M.J. Savage; R.P. Springer


Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
266 KB
Volume
639
Category
Article
ISSN
0375-9474

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✦ Synopsis


We explore the S-wave and P-wave amplitudes for NNK and AAK interactions using chiral perturbation theory to 0(m, logm,). In contrast to the large corrections found in P-wave amplitudes in the nonleptonic decay of octet baryons, the NNK amplitudes receive only small corrections to their tree-level values. The uncertainty in the AAK amplitudes is found to be large.


📜 SIMILAR VOLUMES


Quenched and unquenched chiral perturbat
✍ P.H. Damgaard 📂 Article 📅 2004 🏛 Elsevier Science 🌐 English ⚖ 627 KB

The chiral limit of finite-volume &CD is the e-regime of the theory. We discuss how this regime can be used for determining low-energy observables of QCD by means of comparisons between lattice simulations and quenched and unquenched chiral perturbation theory. The quenched theory suffers in the e-r