Journal
PHYSICAL REVIEW A
Volume 100, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.100.010501
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Funding
- DARPA (Defense Advanced Research Project Agency) [FA8650-13-1-7326]
- NSF [1404325]
- Academy of Finland
- Direct For Mathematical & Physical Scien
- Division Of Physics [1404325] Funding Source: National Science Foundation
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We study nuclear spin frequency shifts in a He-3-Xe-129 comagnetometer caused by spin polarization of He-3. 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 He-3 magnetization in the regime of fast spin diffusion. Using this control, we observe a scalar He-3-Xe-129 collisional frequency shift characterized by an enhancement factor kappa(HeXe) = -0.011 +/- 0.001, which is in excellent agreement with theoretical calculations.
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