{"paper":{"title":"Measurements of the ion fraction and mobility of alpha and beta decay products in liquid xenon using EXO-200","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"nucl-ex","authors_text":"A. Burenkov, A. Craycraft, A. Der Mesrobian-Kabakian, A. Dolgolenko, A. Johnson, A. Karelin, A. Kuchenkov, A. Odian, A. Piepke, A. Pocar, A. Robinson, A. Schubert, A. Waite, B. Cleveland, B. Mong, C. Chambers, C.G. Davis, C. Hall, C. Licciardi, C.Y. Prescott, D. Beck, D. Fudenberg, D.J. Auty, D. Moore, D. Sinclair, D.S. Leonard, E. Smith, G.F. Cao, G. Gratta, I. Ostrovskiy, J.B. Albert, J. Davis, J.D. Wright, J. Farine, J.J. Russell, J. Ling, J.-L. Vuilleumier, J. Walton, J. Wood, K. Graham, K. O'Sullivan, K.S. Kumar, K. Twelker, L.J. Kaufman, L.J. Wen, L. Yang, M. Breidenbach, M. Coon, M. Danilov, M. Dunford, M.G. Marino, M. Hughes, M.J. Dolinski, M.J. Jewell, M. Tarka, M. Weber, O.Ya. Zeldovich, P.C. Rowson, P. Fierlinger, P.S. Barbeau, R. DeVoe, R. Gornea, R. Killick, R. MacLellan, R. Nelson, R. Tsang, S. Delaquis, S.J. Daugherty, S. Johnston, S. Kravitz, T. Brunner, T. Daniels, T. Didberidze, T. Koffas, T.N. Johnson, T. Tolba, T. Walton, U. Wichoski, V. Belov, V. Stekhanov, W. Fairbank Jr., W. Feldmeier, X.S. Jiang, Y.H. Lin, Y.-R. Yen","submitted_at":"2015-06-01T01:02:43Z","abstract_excerpt":"Alpha decays in the EXO-200 detector are used to measure the fraction of charged $^{218}\\mathrm{Po}$ and $^{214}\\mathrm{Bi}$ daughters created from alpha and beta decays, respectively. $^{222}\\mathrm{Rn}$ alpha decays in liquid xenon (LXe) are found to produce $^{218}\\mathrm{Po}^{+}$ ions $50.3 \\pm 3.0\\%$ of the time, while the remainder of the $^{218}\\mathrm{Po}$ atoms are neutral. The fraction of $^{214}\\mathrm{Bi}^{+}$ from $^{214}\\mathrm{Pb}$ beta decays in LXe is found to be $76.4 \\pm 5.7\\%$, inferred from the relative rates of $^{218}\\mathrm{Po}$ and $^{214}\\mathrm{Po}$ alpha decays in t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.00317","kind":"arxiv","version":2},"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"}