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Radiative lifetime of the A 2Π1/2 state in RaF with relevance to laser cooling

Fuente: arXiv

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Auteurs principaux:	Athanasakis-Kaklamanakis, M., Wilkins, S. G., Lassègues, P., Lalanne, L., Reilly, J. R., Ahmad, O., Au, M., Bai, S. W., Berbalk, J., Bernerd, C., Borschevsky, A., Breier, A. A., Chrysalidis, K., Cocolios, T. E., de Groote, R. P., Fajardo-Zambrano, C. M., Flanagan, K. T., Franchoo, S., Ruiz, R. F. Garcia, Hanstorp, D., Heinke, R., Imgram, P., Koszorús, A., Kyuberis, A. A., Lim, J., Liu, Y. C., Lynch, K. M., McGlone, A., Mei, W. C., Neyens, G., Nies, L., Oleynichenko, A. V., Raggio, A., Rothe, S., Skripnikov, L. V., Smets, E., Borne, B. van den, Warbinek, J., Wessolek, J., Yang, X. F., Collaboration, the ISOLDE
Format:	Preprint
Publié:	2024
Sujets:	Atomic Physics Nuclear Experiment
Accès en ligne:	Acceder al recurso
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_version_	1866929375834800128
author	Athanasakis-Kaklamanakis, M. Wilkins, S. G. Lassègues, P. Lalanne, L. Reilly, J. R. Ahmad, O. Au, M. Bai, S. W. Berbalk, J. Bernerd, C. Borschevsky, A. Breier, A. A. Chrysalidis, K. Cocolios, T. E. de Groote, R. P. Fajardo-Zambrano, C. M. Flanagan, K. T. Franchoo, S. Ruiz, R. F. Garcia Hanstorp, D. Heinke, R. Imgram, P. Koszorús, A. Kyuberis, A. A. Lim, J. Liu, Y. C. Lynch, K. M. McGlone, A. Mei, W. C. Neyens, G. Nies, L. Oleynichenko, A. V. Raggio, A. Rothe, S. Skripnikov, L. V. Smets, E. Borne, B. van den Warbinek, J. Wessolek, J. Yang, X. F. Collaboration, the ISOLDE
author_facet	Athanasakis-Kaklamanakis, M. Wilkins, S. G. Lassègues, P. Lalanne, L. Reilly, J. R. Ahmad, O. Au, M. Bai, S. W. Berbalk, J. Bernerd, C. Borschevsky, A. Breier, A. A. Chrysalidis, K. Cocolios, T. E. de Groote, R. P. Fajardo-Zambrano, C. M. Flanagan, K. T. Franchoo, S. Ruiz, R. F. Garcia Hanstorp, D. Heinke, R. Imgram, P. Koszorús, A. Kyuberis, A. A. Lim, J. Liu, Y. C. Lynch, K. M. McGlone, A. Mei, W. C. Neyens, G. Nies, L. Oleynichenko, A. V. Raggio, A. Rothe, S. Skripnikov, L. V. Smets, E. Borne, B. van den Warbinek, J. Wessolek, J. Yang, X. F. Collaboration, the ISOLDE
contents	The radiative lifetime of the $A$ $^2 Π_{1/2}$ (v=0) state in radium monofluoride (RaF) is measured to be 35(1) ns. The lifetime of this state and the related decay rate $Γ= 2.86(8) \times 10^7$ $s^{-1}$ are of relevance to the laser cooling of RaF via the optically closed $A$ $^2 Π_{1/2} \leftarrow X$ $^2Σ_{1/2}$ transition, which makes the molecule a promising probe to search for new physics. RaF is found to have a comparable photon-scattering rate to homoelectronic laser-coolable molecules. Thanks to its highly diagonal Franck-Condon matrix, it is expected to scatter an order of magnitude more photons than other molecules when using just 3 cooling lasers, before it decays to a dark state. The lifetime measurement in RaF is benchmarked by measuring the lifetime of the $8P_{3/2}$ state in Fr to be 83(3) ns, in agreement with literature.
format	Preprint
id	arxiv_https___arxiv_org_abs_2403_09336
institution	arXiv
publishDate	2024
record_format	arxiv
spellingShingle	Radiative lifetime of the A 2Π1/2 state in RaF with relevance to laser cooling Athanasakis-Kaklamanakis, M. Wilkins, S. G. Lassègues, P. Lalanne, L. Reilly, J. R. Ahmad, O. Au, M. Bai, S. W. Berbalk, J. Bernerd, C. Borschevsky, A. Breier, A. A. Chrysalidis, K. Cocolios, T. E. de Groote, R. P. Fajardo-Zambrano, C. M. Flanagan, K. T. Franchoo, S. Ruiz, R. F. Garcia Hanstorp, D. Heinke, R. Imgram, P. Koszorús, A. Kyuberis, A. A. Lim, J. Liu, Y. C. Lynch, K. M. McGlone, A. Mei, W. C. Neyens, G. Nies, L. Oleynichenko, A. V. Raggio, A. Rothe, S. Skripnikov, L. V. Smets, E. Borne, B. van den Warbinek, J. Wessolek, J. Yang, X. F. Collaboration, the ISOLDE Atomic Physics Nuclear Experiment The radiative lifetime of the $A$ $^2 Π_{1/2}$ (v=0) state in radium monofluoride (RaF) is measured to be 35(1) ns. The lifetime of this state and the related decay rate $Γ= 2.86(8) \times 10^7$ $s^{-1}$ are of relevance to the laser cooling of RaF via the optically closed $A$ $^2 Π_{1/2} \leftarrow X$ $^2Σ_{1/2}$ transition, which makes the molecule a promising probe to search for new physics. RaF is found to have a comparable photon-scattering rate to homoelectronic laser-coolable molecules. Thanks to its highly diagonal Franck-Condon matrix, it is expected to scatter an order of magnitude more photons than other molecules when using just 3 cooling lasers, before it decays to a dark state. The lifetime measurement in RaF is benchmarked by measuring the lifetime of the $8P_{3/2}$ state in Fr to be 83(3) ns, in agreement with literature.
title	Radiative lifetime of the A 2Π1/2 state in RaF with relevance to laser cooling
topic	Atomic Physics Nuclear Experiment
url	https://arxiv.org/abs/2403.09336