Yazar "Manisa, K." seçeneğine göre listele

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    RADON IN SPRING WATER IN THE REGION OF SEYDISEHIR OF KONYA PROVINCE, TURKEY
    (OXFORD UNIV PRESS, 2017) Erdoğan, M.; Manisa, K.; Zedef, Veysel
    Water samples for radon-gas analyses were collected from springs in and around the town of SeydiAYehir. Radon concentration in the spring water has been measured using the AlphaGUARD PQ 2000PRO radon detector. Radon activity results varied from 1.85 to 99.27 Bq l(-1). The radon level at the measurement points could have been controlled by local geological conditions (i.e. faults) and human activities. We also calculated annual effective doses resulting from the consumption of these water samples.
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    Risk analysis and annual effective dose due to terrestrial and cosmic radiation in the region of Niğde Province (Turkey)
    (RAD Association, 2019) Erdoğan, M.; Manisa, K.; Bircan, H.; Çevik, İ.; Bingöldağ, N.; Bıyık, R.; Zedef, Veysel
    The radiation exposure for people and all living things is inevitable. Most of these exposures are due to natural sources. Terrestrial and cosmic radiation sources are the most important contribution to these exposures which originated from the fractionation of U-238, Th-232, gamma radiation of K-40 and high-energy cosmic particles incident on the earth’s atmosphere. The main contribution to these exposures comes from terrestrial sources. Terrestrial radionuclides are found in various concentrations in the crust of the earth depending on geological conditions of the region. They also cause exposure risks externally due to their gamma-ray emissions. This study assesses the terrestrial and cosmic radiation dose rates from the naturally occurring radionuclides in the region of Niğde province of Turkey. The measurements were performed on the surface soil using NaI(Tl) scintillation type gamma-ray detector. The external annual effective doses and cancer risk for people living in the region are also calculated from such terrestrial and cosmic gamma radiation dose rates for each individual. © 2019 RAD Association. All rights reserved.
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    SKYRME INTERACTION WITH VMC CALCULATIONS OF NUCLEAR MATTER
    (EDITURA ACAD ROMANE, 2015) Manisa, K.; Erdogan, M.; Bostan, S.
    The parameters of effective Skyrme interaction are determined by using Variational Monte Carlo (VMC) calculations that accurately reproduce the properties of symmetric and asymmetric nuclear matter. The realistic Urbana V-14 nucleon nucleon interaction potential of Lagaris and Pandharipande was used in the VMC calculations with addition of a phenomenological density-dependent term to simulate many-body interactions. A new Skyrme parameter set SKaan5 is found to consistently reproduce the characteristics of the nuclear matter obtained from VMC calculations. The properties of symmetric and asymmetric nuclear matter are calculated by the new Skyrme parameter set. It is shown that the new Skyrme parameter set SKaan5 satisfy the properties of symmetric nuclear matter, such the binding energy, saturation density and incompressibility. Also, the results obtained by using the new Skyrme parameter set are in good agreement with those obtained by other different Skyrme parameter sets in the literature.