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The piNN system - recent progress
C. Hanhart
Recent progress towards an understanding of the piNN system within chiral perturbation theory is reported. The focus lies on an effective field theory calculation and its compariso…
Recent progress in eta-nucleus physics
Vadim Baru, Michael Doering, Alexander Fix +24
This is the summary of the 'International Workshop on eta--Nucleus Physics' held in Juelich, May 8--12, 2006. Each talk is represented by an extended abstract. At the same time the…
Towards an understanding of the light scalar mesons
C. Hanhart
Although studied for many years the nature of the light scalar mesons remains controversial. Here we shall present a method, applicable for s-wave states located close to a thresho…
Advances in the field-theoretic understanding of pion production in nucleon-nucleon collisions
V. Lensky, J. Haidenbauer, C. Hanhart +3
We study the production amplitude for the reaction up to next-to-leading order in chiral perturbation theory. We show that the irreducible chiral loops at this order ex…
Comment on ``Once more about the $\kk$ molecule approach to the light scalars''
Yu. S. Kalashnikova, A. E. Kudryavtsev, A. V. Nefediev +2
In this manuscript we reply to the criticisms of our paper [Eur. Phys. J. A 24, 437 (2005)] raised in a recent preprint by Achasov and Kiselev [hep-ph/0606268] and demonstrate that…
Dispersive and absorptive corrections to the pion-deuteron scattering length
V. Lensky, V. Baru, J. Haidenbauer +3
We present a parameter--free calculation of the dispersive and absorptive contributions to the pion--deuteron scattering length based on chiral perturbation theory. We show that on…