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Aspects of Nucleon Compton Scattering
V. Bernard, N. Kaiser, Ulf-G. Meißner +1
We consider the spin-averaged nucleon forward Compton scattering amplitude in heavy baryon chiral perturbation theory including all terms to order . The chiral pred…
Threshold Pion Electroproduction in Chiral Perturbation Theory
V. Bernard, N. Kaiser, T. -S. H. Lee +1
Electroproduction of pions on the nucleon near the threshold is analyzed within the framework of baryon chiral perturbation theory. We give a thorough discussion of the low--energy…
Consistent Calculation of the Nucleon Electromagnetic Polarizabilities in Chiral Perturbation Theory Beyond Next-to-Leading Order
Véronique Bernard, Norbert Kaiser, Armin Schmidt +1
We calculate the nucleons' electromagnetic polarizabilities in heavy baryon chiral perturbation theory including all terms to order . The chiral prediction of the e…
Chiral Corrections to the S-Wave Pion-Nucleon Scattering Lengths
V. Bernard, N. Kaiser, Ulf-G. Meißner
We calculate the chiral corrections to Weinberg's prediction for the S--wave scattering lengths up--to--and--including order making use of heavy baryon chira…
Critical Analysis of Baryon Masses and Sigma-Terms in Heavy Baryon Chiral Perturbation Theory
Véronique Bernard, Norbert Kaiser, Ulf-G. Meißner
We present an analysis of the octet baryon masses and the and --terms in the framework of heavy baryon chiral perturbation theory. At next-to-leading order, ${\cal O}(…