Particle Mixing and Charge Asymmetric $ΛN$ Forces
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We calculate the contributions of a particular set of charge asymmetric $ΛN$ interactions to the difference of the separation energies of $^4_Λ$He and $^4_Λ$H. We use perturbation theory with four-body variational Monte Carlo wave functions calculated from a Hamiltonian with two- and three-hadron forces. We compare with the data and with an earlier calculation made by one of us which employed a two-body wave function of the $Λ$-nucleus type.
6 pages, uses sprocl style file, contributed to Mesons and Light Nuclei 98, Prague-Pruhonice, Czech Republic, August 31-Sept 4, 1998, proceedings to be published by World Scientific
6 pages, uses sprocl style file, contributed to Mesons and Light Nuclei 98, Prague-Pruhonice, Czech Republic, August 31-Sept 4, 1998, proceedings to be published by World Scientific