Bonn 2010 – wissenschaftliches Programm
Bereiche | Tage | Auswahl | Suche | Downloads | Hilfe
HK: Fachverband Physik der Hadronen und Kerne
HK 20: Struktur und Dynamik von Kernen IV
HK 20.2: Vortrag
Dienstag, 16. März 2010, 14:30–14:45, HG VII
Coulomb effects in pionless effective field theory — •Sebastian König1,2 and Hans-Werner Hammer1,2 — 1Helmholtz-Institut für Strahlen- und Kernphysik (Theorie), Universität Bonn — 2Bethe Center for Theoretical Physics, Universität Bonn
At very low energies, nuclear interactions can be considered purely short-ranged and even pion exchanges can be integrated out. The resulting pionless effective field theory has been successfully applied to the low-energy neutron-deuteron system. Moreover, it has been shown that Coulomb effects can be included to describe proton-deuteron scattering in the quartet channel using the same methods. We show how to improve the numerical convergence in the p-d system at very low-momenta. Furthermore, we present the extension to the doublet channel, where the Triton and He-3 bound states show up.