Spin assignment, hyperfine structure, and isotope shift measurements of optical transitions in dysprosium I

B White; N C M Bulstrode; D H Forest; C Honeyball; B Evans; L Butt

doi:10.1088/1361-6455/adacbe

Spin assignment, hyperfine structure, and isotope shift measurements of optical transitions in dysprosium I

B White^*, N C M Bulstrode^*, D H Forest, C Honeyball, B Evans, L Butt

^*Corresponding author for this work

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Abstract

High resolution crossed beam laser spectroscopy has been performed on dysprosium I to measure the hyperfine structure and isotope shifts in six optical transitions. Excited states accessed by transitions at: 296.4600, 299.6833, and 301.4279 nm have been found to have different J values to those given in the literature. Field and mass factors for each transition have been extracted using the King plot method and Seltzer moments have been iterated upon to produce an order of magnitude improvement in precision.

Original language	English
Article number	035001
Number of pages	14
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Volume	58
Issue number	3
Early online date	31 Jan 2025
DOIs	https://doi.org/10.1088/1361-6455/adacbe
Publication status	Published - 14 Feb 2025

Keywords

isotope shift
Seltzer moment
spin assignment
dysprosium
optical transition
hyperfine structure

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title = "Spin assignment, hyperfine structure, and isotope shift measurements of optical transitions in dysprosium I",

abstract = "High resolution crossed beam laser spectroscopy has been performed on dysprosium I to measure the hyperfine structure and isotope shifts in six optical transitions. Excited states accessed by transitions at: 296.4600, 299.6833, and 301.4279 nm have been found to have different J values to those given in the literature. Field and mass factors for each transition have been extracted using the King plot method and Seltzer moments have been iterated upon to produce an order of magnitude improvement in precision.",

keywords = "isotope shift, Seltzer moment, spin assignment, dysprosium, optical transition, hyperfine structure",

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T1 - Spin assignment, hyperfine structure, and isotope shift measurements of optical transitions in dysprosium I

AU - White, B

AU - Bulstrode, N C M

AU - Forest, D H

AU - Honeyball, C

AU - Evans, B

AU - Butt, L

PY - 2025/2/14

Y1 - 2025/2/14

N2 - High resolution crossed beam laser spectroscopy has been performed on dysprosium I to measure the hyperfine structure and isotope shifts in six optical transitions. Excited states accessed by transitions at: 296.4600, 299.6833, and 301.4279 nm have been found to have different J values to those given in the literature. Field and mass factors for each transition have been extracted using the King plot method and Seltzer moments have been iterated upon to produce an order of magnitude improvement in precision.

AB - High resolution crossed beam laser spectroscopy has been performed on dysprosium I to measure the hyperfine structure and isotope shifts in six optical transitions. Excited states accessed by transitions at: 296.4600, 299.6833, and 301.4279 nm have been found to have different J values to those given in the literature. Field and mass factors for each transition have been extracted using the King plot method and Seltzer moments have been iterated upon to produce an order of magnitude improvement in precision.

KW - isotope shift

KW - Seltzer moment

KW - spin assignment

KW - dysprosium

KW - optical transition

KW - hyperfine structure

U2 - 10.1088/1361-6455/adacbe

DO - 10.1088/1361-6455/adacbe

M3 - Article

SN - 0953-4075

VL - 58

JO - Journal of Physics B: Atomic, Molecular and Optical Physics

JF - Journal of Physics B: Atomic, Molecular and Optical Physics

IS - 3

M1 - 035001

ER -

Spin assignment, hyperfine structure, and isotope shift measurements of optical transitions in dysprosium I

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