Causes of the Diurnal Variation observed in $\gamma$-ray Spectrum using NaI (Tl) Detector

Gauri Datar, Geeta Vichare, C. Selvaraj +2

Present paper studies the $\gamma$-ray spectrum observed using NaI(Tl) scintillation detector over a year. The paper reports the presence of a distinct diurnal pattern in the total numb…