Lea, S N; Burt, E A*; Prestage, J D*; Taghavi, S*; Tjoelker, R L* (2008) A dual-isotope mercury ion clock to search for variation in fundamental constants. In: 7th Symposium on Frequency Standards and Metrology, 5-11 October 2008, Pacific Grove, California, USA.
Full text not available from this repository.Abstract
In this paper we describe a new clock based on 201Hg+. All previous mercury ion clocks have been based on 199Hg+. We have recently completed construction of the 201Hg+ clock and will describe modifications to the design of our existing 199Hg+ clocks to accommodate the new isotope. We will also describe initial spectroscopic measurements of the hyperfine manifold, and possible future experiments. One experiment could place a limit on variations in the strong interaction fundamental constant ratio mq/LQCD.
Item Type: | Conference or Workshop Item (UNSPECIFIED) |
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Keywords: | microwave, ion, frequency standard, time variation, fundamental constants, alphadot |
Subjects: | Time and Frequency Time and Frequency > Microwave Frequency Standards |
Last Modified: | 02 Feb 2018 13:15 |
URI: | http://eprintspublications.npl.co.uk/id/eprint/4459 |
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