Multiple Coulomb excitation of a ⁷⁶Ge beam

A multiple Coulomb excitation experiment on a ⁷⁶Ge beam was performed using a ^natPb target. The relative excitation probabilities were measured as a function of the projectile scattering-angle. 15 E2 matrix elements, including diagonal ones, for seven low-lying states were determined using the least-squares search code GOSIA. The expectation values of centroid for the magnitude of the intrinsic frame E2 properties ⟨Q²⟩ show that the ground state is weakly deformed, while the shape of the 0₂⁺ level is almost spherical. The 2₂⁺ state is found to be a band head of the γ vibrational band and the 4₂⁺ state is a member of this band.