Mushtaq Abed Al-Jubbori

Alpha particles energy estimation from track diameter development in a CR-39 detector

The slight nonlinearity in temporal development of tracks diameter in CR-39 nuclear track detectors is examined with the aim of attempting to find if such nonlinearity can be directly related to the charged particle energy. Narrowly spaced etching time-diameter experimental data for alpha particles at five energy values and for one additional energy value etched at five different temperatures are obtained. Initial results show good indication that measuring such time-diameter relationship can form a useful energy estimation tool. Good consistency with other independent published results is obtained.

A parameterization of the chemistry-normality dependence of bulk etch rate in a CR-39 detector

An empirical relationship describing the bulk etch rate is formulated. The equation involves two free fitting parameters, which reproduce the bulk etch rate for CR-39 by alpha particles at different normalities of the etching solution. The values of the fitting parameters were obtained from the experimental data. This relationship is used to predict the bulk etch rate at different normalities.

Deformation properties of the even–even rare-earth Er–Os isotopes for N = 100

The energies of the ground, β and γ bands as well as the associated B(E2) values have been calculated using interacting boson model (IBM). We have developed a new method called “new empirical equat...