quadrupole splitting

in Mössbauer spectroscopy
https://doi.org/10.1351/goldbook.Q04972
The measured Doppler velocity difference between the two peaks seen in quadrupole split spectra from @N04257@ such as 57Fe and 119Sn.
Source:
PAC, 1976, 45, 211. (Nomenclature and Conventions for Reporting Mössbauer Spectroscopic Data) on page 214 [Terms] [Paper]
Citation: 'quadrupole splitting' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.Q04972 RIS BibTex EndNote
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Last revised: February 24, 2014