Dipolar and scalar He 3 - Xe 129 frequency shifts in stemless cells

M. E. Limes, N. Dural, M. V. Romalis, E. L. Foley, T. W. Kornack, A. Nelson, L. R. Grisham, J. Vaara

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Abstract

We study nuclear spin frequency shifts in a He3-Xe129 comagnetometer caused by spin polarization of He3. We use stemless cylindrical cells to systematically vary the cell geometry and separately measure the cell shape-dependent and shape-independent frequency shifts. We find that a certain aspect ratio for a cylindrical cell cancels the dipolar effects of He3 magnetization in the regime of fast spin diffusion. Using this control, we observe a scalar He3-Xe129 collisional frequency shift characterized by an enhancement factor κHeXe=-0.011±0.001, which is in excellent agreement with theoretical calculations.

Original languageEnglish (US)
Article number010501
JournalPhysical Review A
Volume100
Issue number1
DOIs
StatePublished - Jul 11 2019

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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    Limes, M. E., Dural, N., Romalis, M. V., Foley, E. L., Kornack, T. W., Nelson, A., Grisham, L. R., & Vaara, J. (2019). Dipolar and scalar He 3 - Xe 129 frequency shifts in stemless cells. Physical Review A, 100(1), [010501]. https://doi.org/10.1103/PhysRevA.100.010501