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Nuclear matter properties with nucleon-nucleon forces up to fifth order in the chiral expansion
Jinniu Hu, Ying Zhang, Evgeny Epelbaum +2
The properties of nuclear matter are studied using state-of-the-art nucleon-nucleon forces up to fifth order in chiral effective field theory. The equations of state of symmetric n…
Effects of states and bottom meson loops on transitions
Yun-Hua Chen, Martin Cleven, Johanna T. Daub +5
We study the dipion transitions . In particular, we consider the effects of the two intermediate bottomoniumlike exotic states $Z_b(10610)…
Subtraction of power counting breaking terms in chiral perturbation theory: spinless matter fields
Meng-Lin Du, Feng-Kun Guo, Ulf-G. Meißner
When matter fields are included in chiral perturbation theory, the nonvanishing mass in the chiral limit introduces a new energy scale so that the loop diagrams including such matt…
Nuclear axial current operators to fourth order in chiral effective field theory
H. Krebs, E. Epelbaum, U. -G. Meißner
We present the complete derivation of the nuclear axial charge and current operators as well as the pseudoscalar operators to fourth order in the chiral expansion relative to the d…
Aspects of the low-energy constants in the chiral Lagrangian for charmed mesons
Meng-Lin Du, Feng-Kun Guo, Ulf-G. Meißner +1
We investigate the numerical values of the low-energy constants in the chiral effective Lagrangian for the interactions between the charmed mesons and the lightest pseudoscalar mes…
Universal dimer-dimer scattering in lattice effective field theory
Serdar Elhatisari, Kris Katterjohn, Dean Lee +2
We consider two-component fermions with short-range interactions and large scattering length. This system has universal properties that are realized in several different fields of…