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- W2009363519 abstract "The boundary-condition model of the two-nucleon interaction due to Feshbach and Lomon is used without an external potential tail to determine the ground-state properties of the three-nucleon system for the purpose of studying the off-energy-shell properties of the two-body $T$ matrix. Calculations are performed using an average singlet-triplet $s$-wave interaction giving a completely symmetric triton wave function. The $T$ matrix is separable and depends on three energy-independent parameters char22{} the boundary radius ${r}_{0}$ and the boundary condition $f$ at ${r}_{0}+ensuremath{epsilon}$ which are determined from the two-nucleon phase shifts, and the boundary condition $b$ at ${r}_{0}ensuremath{-}ensuremath{epsilon}$ which is specifically an off-shell parameter that does not appear in the on-shell $T$ matrix. With $f=0.11$ and ${r}_{0}=0.95$ F, the Faddeev equations are solved for the triton energy eigenvalues and spectator functions for several values of $b$. It is found that the binding energy varies from 3.9 to 19.4 MeV for $b$ between 0.5 and 0.6, with a value of 8.5 MeV at $r=0.537$. The average kinetic energy and charge form factor are determined as a function of $b$, and qualitative agreement of the charge radius with experiment is obtained for $b=0.5ensuremath{-}0.6$. The charge form factor, compared with experiment, does not drop off rapidly enough with ${q}^{2}$, indicating the presence of relatively too much large $q$ component in the spectator functions. The changes to be expected from the inclusion of tensor coupling in the boundary parameters are discussed." @default.
- W2009363519 created "2016-06-24" @default.
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- W2009363519 date "1971-03-01" @default.
- W2009363519 modified "2023-09-24" @default.
- W2009363519 title "Off-Energy-Shell Effects in the Triton with the Boundary-Condition Interaction" @default.
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- W2009363519 doi "https://doi.org/10.1103/physrevc.3.1118" @default.
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