Spin Density in a Polarised Liquid Xenon Target Compared with Solid-State Polarised Media
Year: 2026
Type: article
Abstract: This paper examines what polarised spin density a liquid xenon target actually delivers once isotopic abundance and achievable polarisation are included, set against solid polarised media. The system considered is liquid xenon at 3 grams per cubic centimetre with xenon-129 enrichment and thirty percent polarisation, and the observable is isotopic, polarisation-corrected spin density and the comparison with solids. Evaluating the ordinary behaviour of the system and the spin-torsion contribution under explicit assumptions about polarisation and uniformity, and inverting the comparison at the stated laboratory precision, gives a quantitative bound rather than a qualitative assertion of smallness. The computed record is: total_density_per_m3 = 1.379e+28; xe129_density_per_m3 = 3.641e+27; polarised_spin_density_per_m3 = 1.092e+27; solid_reference_per_m3 = 3.000e+28; ratio_to_solid = 0.03641. The torsion-related contribution is far below the level that would alter the ordinary behaviour of the system at current precision, and the value that would have produced a visible residual is stated so that future improvements can be assessed against it directly. No new measurement is reported. This study is simulated and computed from stated assumptions, not measured.
Author: Aldred, William Alexander
Language: English
Subfield: Atomic and Molecular Physics, and Optics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7225816863
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