Cevad Selam
Articles written in Pramana – Journal of Physics
Volume 74 Issue 4 April 2010 pp 541-553 Research Articles
The investigation of $0^{+} \leftrightarro 0^{−} \beta$ decay in some spherical nuclei
Necla Cakmak Kaan Manisa Serdar Unlu Cevad Selam
The $0^{+} \leftrightarrow 0^{−}$ first-forbidden 𝛽 decay transitions have been investigated for some spherical nuclei. The theoretical framework is based on a proton–neutron quasiparticle random phase approximation (pnQRPA). The Woods–Saxon potential basis has been used in our calculations. The transition probabilities have been calculated within the 𝜉 approximation. The relativistic 𝛽 moment matrix element has been calculated both directly without any assumption and assuming that it is proportional to the non-relativistic one.
Volume 75 Issue 4 October 2010 pp 649-663 Research Articles
Gamow–Teller 1+ states in 112-124Sb isotopes
Necla Çakmak Serdar Ünlü Cevad Selam
The violated supersymmetry property of the pairing interaction between nucleons were restored using the Pyatov method [Pyatov and Salamov,
Volume 90 Issue 2 February 2018 Article ID 0015 Research Article
Dipole and Spin-Dipole Strength Distributions in $^{124,126,128,130}\rm{Te}$ Isotopes
NECLA CAKMAK SADIYE CAKMAK CEVAD SELAM SERDAR UNLU
We try to present the structure of $1^{−}$ excitations in open-shell $^{124,126,128,130}\rm{Te}$ isotopes. Electric dipole states are investigated within a translational and Galilean invariant model. Also, a theoretical description of charge conserving spin-dipole $1^{−}$ excitations is presented for the same isotopes. The energy spectra for both kinds of excitations are analysed in detail. Furthermore, a comparison of the calculated cross-sections and energies with the available experimental data is given.
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