Yazar "Ganioglu, E." seçeneğine göre listele

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    gamma-ray spectroscopy of Ta-163
    (AMER PHYSICAL SOC, 2009) Sandzelius, M.; Cederwall, B.; Ganioglu, E.; Thomson, J.; Andgren, K.; Bianco, L.; Johnson, A.
    Excited states in Ta-163 have been identified for the first time using the Cd-106(Ni-60,3p) fusion evaporation reaction. gamma rays were detected using the JUROGAM gamma-ray spectrometer and recoil discrimination was achieved using the recoil ion transport unit (RITU) gas-filled separator in conjunction with the GREAT spectrometer situated at the focal plane of the RITU. The yrast states are assigned to a strongly coupled rotational band based on a pi h(11/2) configuration. This structure exhibits large signature splitting at low spins that disappears after the paired band crossing because of the alignment of a pair of i(13/2) neutrons. This effect is ascribed to triaxial shape changes induced by the core-polarizing properties of the deformation-aligned h(11/2) proton and the rotation-aligned i(13/2) neutrons. Two additional strongly coupled band structures have been established and are discussed in terms of octupole-vibrational and two-quasiparticle excitations built on the yrast structure. The experimental results are compared with predictions from cranked-shell-model and total-Routhian-surface calculations.
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    Öğe
    Study of fission fragments produced by N-14+U-235 reaction
    (SPRINGER, 2006) Yalcinkaya, M.; Ganioglu, E.; Erduran, M. N.; Akkus, B.; Bostan, M.; Guerdal, G.; Beetge, R.
    This work was performed to understand the structure of neutron-rich fission fragments around the 130 mass region. A thin U-235 target was bombarded by a N-14 beam with 10 MeV/A from the Separated Sector Cyclotron at the iThemba Laboratory for Accelerator Based Sciences, Cape Town, South Africa. The main goal was to detect and identify fission fragments and to obtain their mass distribution by using solar cell detectors in the AFRODITE (African Omnipurpose Detector for Innovative Techniques and Experiments) spectrometer. The X-rays emitted from fission fragments were detected by LEP (Low Energy Photon) detectors and gamma-rays emitted from excited states of the fission fragments were detected by CLOVER detectors in the spectrometer.