INVESTIGATION OF SIX GEOLOGICAL SAMPLES FROM WADY SITRA EASTERN DESERT - EGYPT USING K0 NEUTRON ACTIVATION METHOD

K0 - neutron activation analysis (k0-naa) is applied to investigate six geological samples collected from wady sitra at eastern desert of egypt during the survey of gold presence in this area. the samples together with a group of standard (mo, fe, sb and w) are irradiated for 3 hours in one of the inner irradiation site of the second egyptian training and research reactor (et-rr-2) operating at power of 19 mw. mo, fe and sb are used to measure the neutron spectrum parameters α(epithermal non-ideality factor) and f (the thermal to epithermal flux ratio) while w is used to test the obtained results. the α and f parameters are measured using the so-called bare triple monitor method and the obtained results was found to be f = 17.5 ± 0.35 and α = 0.03 ± 0.002. a fortran computer program is designed and used to calculate the values of q0(α) for the analyzed elements. the concentration values of 25 elements in the present rock samples have been presented.