Level structure and lifetimes of low excitation states in ⁵⁴Cr

Abstract

The lifetimes and lifetime limits of 14 states in 54Cr up to an excitation energy of 4043 keV have been determined by means of the Doppler-shift attenuation method using the 51V(α, pγ) reaction. A limited-basis shell-model calculation without use of adjustable parameters has been made of the level spectroscopy and the transition matrix elements for depopulation of these states. These theoretical and experimental findings are compared in detail ; the predicted energy level spectrum is found to be in reasonable accord with experiment, while our calculated and measured level lifetimes are in good agreement with each other. Show more