{"paper":{"title":"A thermodynamic model for the O\\(_2^-\\) mobility in Ne gas in broad density and temperature ranges","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"A. F: Borghesani, F. Aitken","submitted_at":"2018-12-07T14:17:55Z","abstract_excerpt":"We report new measurements of the mobility \\(\\mu\\) of O$_{2}^{-}$ ions in supercritical neon in the range $45\\,\\mathrm{K}\\le T\\le 334\\,\\mathrm{K}$ for number density $N\\ge 0.5\\,$nm$^{-3}.$ We rationalize the experimental data of all isotherms with the Stokes-Cunningham formula by computing the ion hydrodynamic radius as a function of \\(T \\) and \\(N\\) with the thermodynamic free volume model developed for the ion mobility in superfluid He. The model parameters are determined by re-analyzing published data for $T=45\\,$K for \\(N\\) up to $N\\approx 1.65N_{c} $ ($N_{c}\\approx 14.4\\,$nm$^{-3}$ is the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.03032","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}