Finite Amplitude Method for Charge-Changing Transitions in Axially-Deformed Nuclei

We describe and apply a version of the finite amplitude method for obtaining the charge-changing nuclear response in the quasiparticle random phase approximation. The method is suitable for calculating strength functions and beta-decay rates, both allowed and forbidden, in axially-deformed open-shell nuclei. We demonstrate the speed and versatility of the code through a preliminary examination of the effects of tensor terms in Skyrme functionals on beta decay in a set of spherical and deformed open-shell nuclei. Like the isoscalar pairing interaction, the tensor terms systematically increase allowed beta-decay rates. This finding generalizes previous work in semimagic nuclei and points to the need for a comprehensive study of time-odd terms in nuclear density functionals.Comment: 11 pages, 8 figures, submitted to Physical Review

Measurement of (222)Rn concentration in drinking water in Sakarya, Turkey

PMID = 2377195

Systematic investigation of the low-lying dipole excitations in even-even

Magnetic and electric dipole excitations in the energy interval 2.0-4.0MeV are studied for the even-even 124-136Ba isotopes within the rotational, translational and Galilean invariant Quasiparticle Random Phase Approximation (QRPA). The calculations show that low-lying magnetic and electric dipole states have mainly $\Delta K=1$ character. Systematical analysis of the summed excitation strengths of the scissors mode as a function of deformation parameters or the mass number A was also done. It is shown that in the even-even 124-136Ba isotopes, the dependence of the total B(M1) transition on $\delta_{2}^{2}$ is nearly linear for the well-deformed isotopes. The agreement between the calculated excitation energies as well as the summed B(M1) values of the scissors mode and the available experimental data is quite good. In addition, we predicted E1 dipole excitations for the even-even 124-136Ba isotopes which have not been observed experimentally, yet

SOIL GAS RADON MEASUREMENT AROUND FAULT LINES ON THE WESTERN SECTION OF THE NORTH ANATOLIAN FAULT ZONE IN TURKEY

PMID = 2690317