A Reference Compound for 199m Hg Perturbed Angular Correlation of γ-Rays Spectroscopy

Jancsó, Attila and Correia, Joao G. and Balogh, Ria K. and Schell, Juliana and Jensen, Marianne L. and Szunyogh, Dániel and Thulstrup, Peter W. and Hemmingsen, Lars (2021) A Reference Compound for 199m Hg Perturbed Angular Correlation of γ-Rays Spectroscopy. NUCLEAR INSTRUMENTS AND METHODS IN PHYSICS RESEARCH SECTION A: ACCELERATORS, SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1002. No.-165154. ISSN 0168-9002 (print); 1872-9576 (online)

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Abstract

199mHg is a very useful probe for perturbed angular correlation of γ-rays (PAC) spectroscopy. Here we present 199mHg PAC data for a Hg2+ containing compound, Hg(Cys)2(s), giving one unique nuclear quadrupole interaction (NQI). Four separate sample preparations were carried out, and measured on analogue and digital PAC setups, leading to the following reference data: νQ = 1.458(7) GHz and η = 0.10(6). The compound may be applied as an easy-to-synthesize reference sample, providing fast control of the effective anisotropy and time calibration of PAC instruments to be used for 199mHg PAC experiments.

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