Kaonic Hydrogen and Deuterium in Hamiltonian Effective Field Theory
Zhan-Wei Liu,
Jia-Jun Wu,
Derek B. Leinweber
et al.
Abstract:The anti-kaon nucleon scattering lengths resulting from a Hamiltonian effective field theory analysis of experimental data and lattice QCD studies are presented. The same Hamiltonian is then used to compute the scattering length for the K − d system, taking careful account of the effects of recoil on the energy at which the KN T-matrices are evaluated. These results are then used to estimate the shift and width of the 1S levels of anti-kaonic hydrogen and deuterium. The K − p result is in excellent agreement w… Show more
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