Testing the time-invariance of fundamental constants using microwave spectroscopy on cold diatomic radicals

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Abstract

The recently demonstrated methods to cool and manipulate neutral molecules offer new possibilities for precision tests of fundamental physics theories. We here discuss the possibility of testing the time-invariance of fundamental constants using near degeneracies between rotational levels in the fine structure ladders of molecular radicals. We show that such a degeneracy occurs between the J = 6, Ω = 1 and the J = 8, Ω = 0 levels of the various natural isotopomers of carbon monoxide in its a
Original languageEnglish
Pages (from-to)25-36
JournalFaraday Discussions
Volume142
DOIs
Publication statusPublished - 2009

Bibliographical note

Times Cited: 2 Cold and Ultracold Molecules Conference 2009 APR 15-17, 2009 Durham Univ, Durham, ENGLAND

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