Signs in isotope shifts: a perennial headache
Michel Godefroid, J\"orgen Ekman, Per J\"onsson
TL;DR
This paper clarifies the signs of various contributions to isotope shifts in atomic lines, resolving discrepancies between different computational methods and improving understanding of isotope shift calculations.
Contribution
It provides a detailed analysis of isotope shift signs, addressing inconsistencies between RIS calculations and other expressions, enhancing accuracy in atomic physics computations.
Findings
Clarification of sign conventions in isotope shift contributions
Resolution of discrepancies between RIS and other methods
Improved understanding of electronic parameter calculations
Abstract
Signs of the different contributions to the isotope shift of an atomic line are discussed in details to clarify some confusing differences between the electronic parameters calculated with RIS (Naz\'e et al. Comput. Phys. Commun. 184 (2013) 2187 ; Ekman et al. Comput. Phys. Commun. 235 (2019) 433) and those appearing in other commonly used expressions.
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Taxonomy
TopicsAtomic and Subatomic Physics Research · Radioactive Decay and Measurement Techniques · Mass Spectrometry Techniques and Applications