Isoscalar E0, E1, and E2 strength in 40Ca

Isoscalar giant resonances in 44 Ca have been studied with inelastic scattering of 240 MeV α particles at small angles including 0°. A majority of the Energy Weighted Sum Rule was identified for E0 and E2 ( ≈ 70%), and nearly half was identified for E1. The strength distributions are compared with the predictions from Hartree-Fock based Random Phase Approximation calculations with the KDE0v1 Skyrme-type interaction. The GMR energy moments for 40,44,48 Ca increase with mass, contrary to what would be expected with a negative symmetry energy, K τ .