Yazar "Çelik, Ahmet" için FEF, Fizik Bölümü Koleksiyonu listeleme
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Assessment of radiological levels at schools in trabzon, turkey
Çevik, Uğur; Çelik, Ahmet; Çelik, Neslihan; Özkalaycı, Fatih; Akbulut, Songül (Sage Publications, 2013)In this study, a survey on environmental radioactivity in 16 high schools located in north eastern region of Turkey (the black sea region, province of Trabzon) was carried out. Indoor air radon (222Rn) concentrations were ... -
Radiation shielding properties of mortars with minerals and ores additives
Baltaş, Hasan; Şirin, Murat; Çelik, Ahmet; Ustabaş, İlker; El-Khayatt, Ahmed Mahmoud (Elsevier Sci Ltd, 2019)Incorporation of mineral and ores as fine aggregate additives was investigated for its effect on the neutron and gamma-ray shielding properties of cement mortar. Five mortar mixtures have been prepared with different ... -
Vacancy transfer probabilities from K to L shell for low atomic number elements at 5.96 keV
Ertuğral, Birol; Baltaş, Hasan; Çelik, Ahmet; Kobya, Yaşar (Polish Academy of Sciences, 2010)Vacancy transfer probabilities from K to L shell were measured using I K?/IK? intensity ratios for six elements in the atomic region 16 ? Z ? 22. The K X-rays from the targets excited by 5.96 keV (1.85 GBq 55Fe filtered ...