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Gamma-ray bursts (GRBs) are short and most intense bursts of gamma-rays thatcome from random direction in space. Their origin are still unknown and theyoriginate likely from cosmological distances, probably after birth of a newblack hole or death of a giant star. In this work, Geant simulations of adetector array whose aim is to identify gamma-ray directions in space wereperformed and a method for this identification was developed. The arrayconsists of three quadratic NaI(Tl) scintillators which are facing differentdirections and the method is based on the difference of the counts registeredin these three detectors. By using the method the gamma-ray directions areobtained with 10o accuracy. This form of the array which can scan threedimensions in space is crucial to pinpoint origin of the GRBs. The array wouldalso be applicable in various fields where identifications of the gamma-raydirections are necessary.

A method for determination of gamma-ray direction in space