%0 Journal Article
%A Kalmahalli Guruswamy, Chaitra
%A Meißner, Ulf-G.
%A Seng, Chien-Yeah
%T Contraction diagram analysis in pion-kaon scattering
%J Nuclear physics  / B
%V 957
%@ 0550-3213
%C Amsterdam
%I North-Holland Publ. Co.
%M FZJ-2021-00163
%P 115091 -
%D 2020
%X We study the contributions from the connected and disconnected contraction diagrams to the pion-kaon scattering amplitude within the framework of SU partially-quenched chiral perturbation theory. Combining this with a finite-volume analysis, we demonstrate that a lattice calculation of the easier computable connected correlation functions is able to provide valuable information of the noisier disconnected correlation functions, and may serve as a theory guidance for the future refinement of the corresponding lattice techniques.
%F PUB:(DE-HGF)16
%9 Journal Article
%U <Go to ISI:>//WOS:000554900600017
%R 10.1016/j.nuclphysb.2020.115091
%U https://juser.fz-juelich.de/record/889258