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Direct measurement of the γHe / γXe ratio at ultralow magnetic field
Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany.
Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany.
Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany.
Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany.
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2016 (English)In: 8TH SYMPOSIUM ON FREQUENCY STANDARDS AND METROLOGY 2015 / [ed] Riehle, F., IOP Publishing Ltd , 2016, Vol. 723, p. 1-7, article id 012045Conference paper, Published paper (Refereed)
Abstract [en]

A co-located 3He and 129Xe nuclear spin free precession measurement at sub-μT magnetic field was carried out in a magnetically shielded environment. The uncorrected quotient of the gyromagnetic ratios between neutral 3He and 129Xe atoms is determined to be 2.754 082 81(07), accounting for only statistical error. Our measurement shows that this ratio has a stability of 1.4×10-5/ √τ, demonstrating the ability to reach the current precision limit of the quotient in a 10000 s of averaging time τ. This precision is enough for the next-generation EDM search in neutral 129Xe atoms based on a similar comagnetometer scheme.

Place, publisher, year, edition, pages
IOP Publishing Ltd , 2016. Vol. 723, p. 1-7, article id 012045
Series
Journal of Physics Conference Series
National Category
Probability Theory and Statistics
Identifiers
URN: urn:nbn:se:oru:diva-76716ISI: 000387774800045Scopus ID: 2-s2.0-84979223425OAI: oai:DiVA.org:oru-76716DiVA, id: diva2:1354145
Conference
8th Symposium on Frequency Standards and Metrology 2015, Potsdam, Germany, 12-16 October, 2015
Available from: 2019-09-24 Created: 2019-09-24 Last updated: 2019-10-01Bibliographically approved

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