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6 papers · 2 filters
Baryon chiral perturbation theory extended beyond the low-energy region
E. Epelbaum, J. Gegelia, Ulf-G. Meißner +1
We consider an extension of the one-nucleon sector of baryon chiral perturbation theory beyond the low-energy region. The applicability of this approach for higher energies is rest…
New fixed points of the renormalisation group for two-body scattering
M. C. Birse, E. Epelbaum, J. Gegelia
We outline a separable matrix ansatz for the potentials in effective field theories of nonrelativistic two-body systems with short-range interactions. We use this ansatz to constru…
Evidence of sub-nucleonic degrees of freedom in J/ photoproduction in ultraperipheral collisions at the CERN Large Hadron Collider
E. Andrade-II, I. González, A. Deppman +1
We present calculations for the incoherent photoproduction of J/ vector mesons in ultra-peripheral heavy ion collisions (UPC) in terms of hadronic interactions. This study was c…
Binding energy of the at unphysical pion masses
V. Baru, E. Epelbaum, A. A. Filin +2
Chiral extrapolation of the binding energy is investigated using the modified Weinberg formulation of chiral effective field theory for the scattering. Give…
Towards an improved understanding of
S. Holz, J. Plenter, C. W. Xiao +5
We argue that high-quality data on the reaction will allow one to determine the doubly-virtual form factor in a model-independent way with control…
Complex-mass renormalization in hadronic EFT: applicability at two-loop order
D. Djukanovic, E. Epelbaum, J. Gegelia +2
We discuss the application of the complex-mass scheme to multi-loop diagrams in hadronic effective field theory by considering as an example a two-loop self-energy diagram. We show…