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Nucleon form factors: From the space-like to the time-like region
Ulf-G. Meißner
I discuss how dispersion relations can be used to analyse the nucleon electromagnetic form factors, with particular emphasis on the constraints from unitarity and pQCD. Results for…
Aspects of chiral pion-nucleon physics
V. Bernard, N. Kaiser, Ulf-G. Meißner
The next-to-leading order chiral pion-nucleon Lagrangian contains seven finite low-energy constants. Two can be fixed from the nucleon anomalous magnetic moments and another one fr…
The role of massive states in chiral perturbation theory
Ulf-G. Meißner
I review some basic facts about the chiral limit of QCD. This allows to formulate an effective field theory below the chiral symmetry breaking scale, chiral perturbation theory (CH…
Renormalization of the three flavor Lagrangian in heavy baryon chiral perturbation theory
G. Müller, Ulf-G. Meißner
The complete renormalization of the generating functional for Green functions of quark currents between one--baryon states in three flavor heavy baryon chiral perturbation theory i…
Threshold kaon photo- and electroproduction in SU(3) baryon chiral perturbation theory
Sven Steininger, Ulf-G. Meißner
We calculate the processes in three flavor heavy baryon chiral perturbation theory to one loop. Some low--energy constants are fixed from single b…
Nucleon electroweak form factors: Analysis of their spectral functions
V. Bernard, N. Kaiser, Ulf-G. Meißner
We investigate the imaginary parts of the nucleon electromagnetic and axial form factors close to threshold in the framework of heavy baryon chiral perturbation theory. For the iso…