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Hyperon elastic electromagnetic form factors in the space-like momentum region
Helios Sanchis-Alepuz, Christian S. Fischer
We present a calculation of the electric and magnetic form factors of ground-state octet and decuplet baryons including strange quarks. We work with a combination of Dyson-Schwinge…
Light mesons in QCD and unquenching effects from the 3PI effective action
Richard Williams, Christian S. Fischer, Walter Heupel
We investigate the impact of unquenching effects on QCD Green's functions, in the form of quark-loop contributions to both the gluon propagator and three-gluon vertex, in a three-l…
Issues and Opportunities in Exotic Hadrons
R. A. Briceno, T. D. Cohen, S. Coito +22
The last few years have been witness to a proliferation of new results concerning heavy exotic hadrons. Experimentally, many new signals have been discovered that could be pointing…
Baryon effects on the location of QCD's critical end point
Gernot Eichmann, Christian S. Fischer, Christian A. Welzbacher
The location of the critical end point of QCD has been determined in previous studies of and dynamical quark flavors using a (truncated) set of Dyson-Schwinge…
The light scalar mesons as tetraquarks
Gernot Eichmann, Christian S. Fischer, Walter Heupel
We present a numerical solution of the four-quark Bethe-Salpeter equation for ground-state scalar tetraquarks with J^PC = 0^++. We find that the four-body equation dynamically gene…
Tetraquarks from the Bethe-Salpeter equation
Gernot Eichmann, Christian S. Fischer, Walter Heupel
We present a numerical solution of the four-quark Bethe-Salpeter equation for a scalar tetraquark. We find that the four-body equation dynamically generates pseudoscalar poles in t…