Testing the time-invariance of fundamental constants using cold, and not so cold, molecules

Hendrick L. Bethlem

doi:10.1364/LS.2010.LThH2

Frontiers in Optics 2010/Laser Science XXVI
OSA Technical Digest (CD) (Optica Publishing Group, 2010),
paper LThH2
•https://doi.org/10.1364/LS.2010.LThH2

Testing the time-invariance of fundamental constants using cold, and not so cold, molecules

Hendrick L. Bethlem

Laser Science 2010

Rochester, New York United States
24–28 October 2010
ISBN:

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Frontiers in Ultracold Molecules III (LThH)

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H. L. Bethlem, "Testing the time-invariance of fundamental constants using cold, and not so cold, molecules," in Frontiers in Optics 2010/Laser Science XXVI, OSA Technical Digest (CD) (Optica Publishing Group, 2010), paper LThH2.

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Abstract

I will discuss the status of two experiments ultimately aimed at testing the time-invariance of the proton-to-electron mass using a thermal beam of CO molecules and using cold ammonia molecules in a fountain.

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