[paper] Infrared extrapolations of quadrupole moments and transitions

Infrared extrapolations of quadrupole moments and transitions

D. Odell et al.

doi: 10.1103/PhysRevC.93.044331

We study the convergence of bound-state quadrupole moments in finite harmonic oscillator spaces. We derive an expression for the infrared extrapolation for the quadrupole moment of a nucleus and benchmark our results using different model interactions for the deuteron. We find good agreement between the analytically derived and numerically obtained convergence behavior. We also derive an extrapolation formula for electric quadrupole transitions and find good agreement with the numerical calculation of a simple system.

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