arXiv:nucl-th/0603029·v1·Nuclear Theory
Kaon-nucleon scattering lengths from kaonic deuterium experiments
Ulf-G. Meißner (University of Bonn and FZ Jülich)🇩🇪 · Udit Raha (University of Bonn)🇩🇪 · Akaki Rusetsky (University of Bonn and Tbilisi State University)🇩🇪
Abstract
The extraction of the S-wave kaon-nucleon scattering lengths a0 and a1 from a combined analysis of existing kaonic hydrogen and synthetic deuterium data has been carried out within the framework of a low-energy effective field theory. It turns out that with the present DEAR central values for the kaonic hydrogen ground-state energy and width, a solution for a0 and a1 exists only in a restricted domain of input values for the kaon-deuteron scattering length. Consequently, measuring this scattering length imposes stringent constraints on the theoretical description of the kaon-deuteron interactions at low energies.
Comments: 9 pages, 2 postscript figures