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Production of ultracold NH molecules by sympathetic cooling with Mg

Wallis, AOG; Hutson, JM; (2009) Production of ultracold NH molecules by sympathetic cooling with Mg. Physical Review Letters , 103 (18) , Article 183201. 10.1103/PhysRevLett.103.183201. Green open access

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Abstract

We carry out calculations on $M$-changing collisions of NH ($^3\Sigma^-$) molecules in magnetically trappable states using a recently calculated potential energy surface. We show that elastic collision rates are much faster than inelastic rates for a wide range of fields at temperatures up to 10 mK and that the ratio increases for lower temperatures and magnetic fields. If NH molecules can be cooled to temperatures approaching 10 mK and brought into contact with laser-cooled Mg then there is a good prospect that sympathetic cooling can be achieved.

Type: Article
Title: Production of ultracold NH molecules by sympathetic cooling with Mg
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.103.183201
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.103.183201
Language: English
Additional information: © 2009 The American Physical Society
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/1375707
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