Hyperfine structure and isotope shifts of the $^1P_1 \leftarrow{} ^{1}S_0$ transition in atomic zinc
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
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2023
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| _version_ | 1866909099222892544 |
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| author | Röser, David Padilla-Castillo, J. Eduardo Ohayon, Ben Thomas, Russell Truppe, Stefan Meijer, Gerard Stellmer, Simon Wright, Sid C. |
| author_facet | Röser, David Padilla-Castillo, J. Eduardo Ohayon, Ben Thomas, Russell Truppe, Stefan Meijer, Gerard Stellmer, Simon Wright, Sid C. |
| contents | We report absolute frequency, isotope shift, radiative lifetime and hyperfine structure measurements of the $^1P_1 \leftarrow{} ^{1}S_0$ (213.8 nm) transition in Zn I using a cryogenic buffer gas beam. Laser-induced fluorescence is collected with two orthogonally oriented detectors to take advantage of differences in the emission pattern of the isotopes. This enables clear distinction between isotopes whose resonances are otherwise unresolved, and a measurement of the fermion hyperfine structure parameters, $A(^{67}$Zn)$=20(2)$ MHz and $B(^{67}$Zn)$=10(5)$ MHz. We reference our frequency measurements to an ultralow expansion cavity and achieve an uncertainty at the level of 1 MHz, about 1 percent of the natural linewidth of the transition. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2309_03669 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Hyperfine structure and isotope shifts of the $^1P_1 \leftarrow{} ^{1}S_0$ transition in atomic zinc Röser, David Padilla-Castillo, J. Eduardo Ohayon, Ben Thomas, Russell Truppe, Stefan Meijer, Gerard Stellmer, Simon Wright, Sid C. Atomic Physics We report absolute frequency, isotope shift, radiative lifetime and hyperfine structure measurements of the $^1P_1 \leftarrow{} ^{1}S_0$ (213.8 nm) transition in Zn I using a cryogenic buffer gas beam. Laser-induced fluorescence is collected with two orthogonally oriented detectors to take advantage of differences in the emission pattern of the isotopes. This enables clear distinction between isotopes whose resonances are otherwise unresolved, and a measurement of the fermion hyperfine structure parameters, $A(^{67}$Zn)$=20(2)$ MHz and $B(^{67}$Zn)$=10(5)$ MHz. We reference our frequency measurements to an ultralow expansion cavity and achieve an uncertainty at the level of 1 MHz, about 1 percent of the natural linewidth of the transition. |
| title | Hyperfine structure and isotope shifts of the $^1P_1 \leftarrow{} ^{1}S_0$ transition in atomic zinc |
| topic | Atomic Physics |
| url | https://arxiv.org/abs/2309.03669 |