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Magnetic trapping of cold methyl radicals

Liu, Y.; Vashishta, M.; Djuricanin, P.; Zhou, S.; Zhong, W.; Mittertreiner, T.; Carty, D.; Momose, T.

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Authors

Y. Liu

M. Vashishta

P. Djuricanin

S. Zhou

W. Zhong

T. Mittertreiner

T. Momose



Abstract

We have demonstrated that a supersonic beam of methyl radicals (CH3) in the ground rotational state of both para and ortho species has been slowed down to standstill with a magnetic molecular decelerator, and successfully captured spatially in an anti-Helmholtz magnetic trap for > 1 s. The trapped CH3 radicals have a mean translational temperature of about 200 mK with an estimated density of > 5.0×107 cm−3 . The methyl radical is an ideal system for the study of cold molecules not only because of its high reactivities at low temperatures, but also because further cooling below 1 mK is plausible via sympathetic cooling with ultracold atoms. The demonstrated trapping capability of methyl radicals opens up various possibilities for realizing ultracold ensembles of molecules towards Bose-Einstein condensation of polyatomic molecules and investigations of reactions governed by quantum statistics.

Citation

Liu, Y., Vashishta, M., Djuricanin, P., Zhou, S., Zhong, W., Mittertreiner, T., …Momose, T. (2017). Magnetic trapping of cold methyl radicals. Physical Review Letters, 118(9), Article 093201. https://doi.org/10.1103/physrevlett.118.093201

Journal Article Type Article
Acceptance Date Feb 27, 2017
Online Publication Date Feb 27, 2017
Publication Date Mar 3, 2017
Deposit Date Feb 28, 2017
Publicly Available Date Feb 28, 2017
Journal Physical Review Letters
Print ISSN 0031-9007
Electronic ISSN 1079-7114
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 118
Issue 9
Article Number 093201
DOI https://doi.org/10.1103/physrevlett.118.093201

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Copyright Statement
Reprinted with permission from the American Physical Society: Physical Review Letters 118, 093201 © (2017) by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.








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