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Dipolar and scalar He3Xe129 frequency shifts in stemless cells

Author(s): Limes, ME; Dural, N; Romalis, MV; Foley, EL; Kornack, TW; et al

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Abstract: We study nuclear spin frequency shifts in a 3He−129Xe comagnetometer caused by spin polarization of 3He. 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 3He magnetization in the regime of fast spin diffusion. Using this control, we observe a scalar 3He−129Xe collisional frequency shift characterized by an enhancement factor κHeXe = −0.011 ± 0.001, which is in excellent agreement with theoretical calculations.
Electronic Publication Date: 11-Jul-2019
Citation: Limes, ME, Dural, N, Romalis, MV, Foley, EL, Kornack, TW, Nelson, A, Grisham, LR, Vaara, J. (Dipolar and scalar <mml:math xmlns:mml=""><mml:mrow><mml:mmultiscripts><mml:mi>He</mml:mi><mml:mprescripts /><mml:none /><mml:mn>3</mml:mn></mml:mmultiscripts><mml:mtext>−</mml:mtext><mml:mmultiscripts><mml:mi>Xe</mml:mi><mml:mprescripts /><mml:none /><mml:mn>129</mml:mn></mml:mmultiscripts></mml:mrow></mml:math> frequency shifts in stemless cells. Physical Review A, 100 (1), 10.1103/physreva.100.010501
DOI: doi:10.1103/physreva.100.010501
ISSN: 2469-9926
EISSN: 2469-9934
Language: en
Type of Material: Journal Article
Journal/Proceeding Title: Physical Review A
Version: Author's manuscript

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