Status of chiral perturbation theory

Abstract

The status of chiral perturbation theory in the meson sector is reviewed. The main emphasis is on recent developments in pion pion scattering, in semileptonic decays and in nonleptonic kaon decays. A few other selected topics are also discussed.

Contribution to 8th Conference on Quark Confinement and the Hadron Spectrum, Mainz, Sept. 2008, 10 pages

References in corpus (28)

• Roy equation analysis of pi pi scattering
• Measurement of the neutron lifetime using a gravitational trap and a low-temperature Fomblin coating
• Elastic $\pi \pi$ scattering to two loops
• Dispersive analysis of the decay eta -> 3 pi
• $\eta \to 3\pi$ at Two Loops In Chiral Perturbation Theory
• Cusps in K --> 3 pi decays
• Virtual photons in SU(2) chiral perturbation theory and electromagnetic corrections to $\pi \pi$ scattering
• High statistics measurement of Ke4 decay properties
• Determination of the a0-a2 pion scattering length from K->pi+ pi0 pi0 decay
• pi/K -> e nu branching ratios to O(e^2 p^4) in Chiral Perturbation Theory
• Form Factors in the radiative pion decay
• Pion-pion scattering and the K->3pi decay amplitudes
• Pion-pion scattering at low energy
• Kl3 semileptonic form factor from 2+1 flavour lattice QCD
• New Precise Measurement of the Pion Weak Form Factors in the Pi+ -> e+ nu gamma Decay
• Radiative corrections in K --> 3 pi decays
• Isospin breaking in Kl4 decays
• Integrating out strange quarks in ChPT
• Final Results from the KTeV Experiment on the Decay KL -> pi0 gamma gamma
• On the Radiative Pion Decay
• Observation of the Decay K^+ --> pi^+ gamma gamma
• K -> 3 pi Final State Interactions at NLO in CHPT and Cabibbo's Proposal to Measure a_0-a_2
• K_S\rightarrow γγ, K_L\rightarrowπ^0γγ$ and Unitarity
• pi pi scattering
• Semileptonic Kaon Decays
• ChPT Progress on Non-Leptonic and Radiative Kaon Decays
• Dispersive representation of K -> 3 pi amplitudes and cusps
• Theoretical progress on the V_us determination from tau decays