Abstract
The systematic trend observed earlier between the ratio F(=B(E2; I+2 to I)exp/B(E2; I+2 to I)theor) and the non-axial parameter gamma by Gupta et al. (1979, 1980, 1982) may be of considerable interest to experimentalists. If one knows only gamma and B(E2; 2+ to 0+) of a deformed even nucleus, then using the systematics the absolute B(E2) values and probable mean lives of rotational levels can be predicted. Using the Davydov-Rostovsky model the Kpi =0+ vibrational band-head energy (E0+') can also be calculated, with a controversial result. The results of Gupta et al. are modified by taking the asymmetric-rotor-model-dependent intrinsic electric quadrupole moment (Q0) instead of the value determined experimentally for the sake of consistency. Probable B(E2) values of gamma-ray cascades, mean lives of rotational levels and E0+' have been predicted.