Abstract
Monazite minerals obtained from beach sands of South India were examined for the presence of superheavy elements with photon-induced x-ray fluorescence method. The accumulated data of a number of runs each of several days duration do not show any convincing peaks above the background at the expected locations for superheavy elements which are above the present sensitivity of detection of about 10 ppm by weight for element 126. However, some intriguing features pertaining to structures in the x-ray spectra around 27 keV were observed, which are of interest for further investigations.
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Kapoor, S.S., Ramamurthy, V.S., Lal, M. et al. Search for superheavy elements in monazite from beach sands of South India. Pramana - J Phys 9, 515–521 (1977). https://doi.org/10.1007/BF02846257
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DOI: https://doi.org/10.1007/BF02846257