Deceleration and Trapping of SrF Molecules

P. Aggarwal; Y. Yin; K. Esajas; H. L. Bethlem; A. Boeschoten; A. Borschevsky; S. Hoekstra; K. Jungmann; V. R. Marshall; T. B. Meijknecht; M. C. Mooij; R. G.E. Timmermans; A. Touwen; W. Ubachs; L. Willmann

doi:10.1103/PhysRevLett.127.173201

Deceleration and Trapping of SrF Molecules

P. Aggarwal, Y. Yin, K. Esajas, H. L. Bethlem, A. Boeschoten, A. Borschevsky, S. Hoekstra, K. Jungmann, V. R. Marshall, T. B. Meijknecht, M. C. Mooij, R. G.E. Timmermans, A. Touwen, W. Ubachs, L. Willmann

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Abstract

We report on the electrostatic trapping of neutral SrF molecules. The molecules are captured from a cryogenic buffer-gas beam source into the moving traps of a 4.5-m-long traveling-wave Stark decelerator. The SrF molecules in state are brought to rest as the velocity of the moving traps is gradually reduced from to zero. The molecules are held for up to 50 ms in multiple electric traps of the decelerator. The trapped packets have a volume (FWHM) of and a velocity spread of , which corresponds to a temperature of 60(20) mK. Our result demonstrates a factor 3 increase in the molecular mass that has been Stark decelerated and trapped. Heavy molecules () offer a highly increased sensitivity to probe physics beyond the standard model. This work significantly extends the species of neutral molecules of which slow beams can be created for collision studies, precision measurement, and trapping experiments.

Original language	English
Article number	173201
Pages (from-to)	1-7
Number of pages	7
Journal	Physical review letters
Volume	127
Issue number	17
Early online date	21 Oct 2021
DOIs	https://doi.org/10.1103/PhysRevLett.127.173201
Publication status	Published - 22 Oct 2021

Bibliographical note

Funding Information:
The consortium receives program funding (EEDM-166) from the Netherlands Organisation for Scientific Research (NWO). We acknowledge support from Mike Tarbutt and Stefan Truppe in the design and construction of the cryogenic source. We thank Leo Huisman for technical assistance to the experiment.

Publisher Copyright:
© 2021 American Physical Society

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Aggarwal, P., Yin, Y., Esajas, K., Bethlem, H. L., Boeschoten, A., Borschevsky, A., Hoekstra, S., Jungmann, K., Marshall, V. R., Meijknecht, T. B., Mooij, M. C., Timmermans, R. G. E., Touwen, A., Ubachs, W., & Willmann, L. (2021). Deceleration and Trapping of SrF Molecules. Physical review letters, 127(17), 1-7. [173201]. https://doi.org/10.1103/PhysRevLett.127.173201

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abstract = "We report on the electrostatic trapping of neutral SrF molecules. The molecules are captured from a cryogenic buffer-gas beam source into the moving traps of a 4.5-m-long traveling-wave Stark decelerator. The SrF molecules in state are brought to rest as the velocity of the moving traps is gradually reduced from to zero. The molecules are held for up to 50 ms in multiple electric traps of the decelerator. The trapped packets have a volume (FWHM) of and a velocity spread of , which corresponds to a temperature of 60(20) mK. Our result demonstrates a factor 3 increase in the molecular mass that has been Stark decelerated and trapped. Heavy molecules () offer a highly increased sensitivity to probe physics beyond the standard model. This work significantly extends the species of neutral molecules of which slow beams can be created for collision studies, precision measurement, and trapping experiments.",

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note = "Funding Information: The consortium receives program funding (EEDM-166) from the Netherlands Organisation for Scientific Research (NWO). We acknowledge support from Mike Tarbutt and Stefan Truppe in the design and construction of the cryogenic source. We thank Leo Huisman for technical assistance to the experiment. Publisher Copyright: {\textcopyright} 2021 American Physical Society",

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AU - Aggarwal, P.

AU - Yin, Y.

AU - Esajas, K.

AU - Bethlem, H. L.

AU - Boeschoten, A.

AU - Borschevsky, A.

AU - Hoekstra, S.

AU - Jungmann, K.

AU - Marshall, V. R.

AU - Meijknecht, T. B.

AU - Mooij, M. C.

AU - Timmermans, R. G.E.

AU - Touwen, A.

AU - Ubachs, W.

AU - Willmann, L.

N1 - Funding Information: The consortium receives program funding (EEDM-166) from the Netherlands Organisation for Scientific Research (NWO). We acknowledge support from Mike Tarbutt and Stefan Truppe in the design and construction of the cryogenic source. We thank Leo Huisman for technical assistance to the experiment. Publisher Copyright: © 2021 American Physical Society

PY - 2021/10/22

Y1 - 2021/10/22

N2 - We report on the electrostatic trapping of neutral SrF molecules. The molecules are captured from a cryogenic buffer-gas beam source into the moving traps of a 4.5-m-long traveling-wave Stark decelerator. The SrF molecules in state are brought to rest as the velocity of the moving traps is gradually reduced from to zero. The molecules are held for up to 50 ms in multiple electric traps of the decelerator. The trapped packets have a volume (FWHM) of and a velocity spread of , which corresponds to a temperature of 60(20) mK. Our result demonstrates a factor 3 increase in the molecular mass that has been Stark decelerated and trapped. Heavy molecules () offer a highly increased sensitivity to probe physics beyond the standard model. This work significantly extends the species of neutral molecules of which slow beams can be created for collision studies, precision measurement, and trapping experiments.

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Deceleration and Trapping of SrF Molecules

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