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Isotope shift measurement of the 423-nm transition in neutral Ca

arXiv

Authors: David Röser, Lukas Möller, Hans Keßler, Simon Stellmer

Year

2024

Paper ID

66698

Status

Preprint

Abstract Read

~2 min

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Abstract

We report on saturated absorption spectroscopy measurements of the \(4s²\) ¹S₀→(4s4p) ¹P₁ transition for the four most abundant even-mass isotopes in calcium. By referencing the laser locked to an ultralow expansion cavity and carefully investigating systematic errors, isotope shifts are determined with a precision below 100 kHz, improving previously reported values by a factor of about five. A King plot analysis employing literature values of the 729-nm transition in Ca ions shows excellent linearity. The field and mass shift parameters are determined from King plots with other transitions.

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We report on saturated absorption spectroscopy measurements of the (4s^2^1)S0 -> (4s4p) ^1P1 transition for the four most abundant even-mass isotopes in calcium.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2406.06806 [2] arXiv https://arxiv.org/abs/2406.06806 [3] Publisher https://arxiv.org/abs/2406.06806

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