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Updated: Jun 25, 2026

Sediment Core Extrusion Method at Millimeter Resolution Using a Calibrated, Threaded-rod
Published on: August 17, 2016
Cosmogenic radionuclides in metals as indicator for sea level exposure history
1Laboratori Nazionali del Gran Sasso, INFN, S. S. 17/bis km 18+910, I-67010 Assergi (AQ), Italy.
Abstract:
Copper and stainless steel used in neutrino related experiments have been screened for primordial and cosmogenic isotopes with highly sensitive germanium gamma spectroscopy. Aliquots of these materials have been exposed to cosmic rays at the LNGS site. The obtained production rates (saturation activities) are checked against experimental and theoretical literature values. The data is used to evaluate the cosmic ray exposure histories of the originally measured samples. Two stainless steel samples offer the possibility to compare the obtained exposure ages with a time scale based on the disequilibrium in the thorium decay chain.
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