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Measurement of the Drift Velocity and Transverse Diffusion of Electrons in Liquid Xenon with the EXO-200 Detector

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arxiv 1609.04467 v2 pith:7IYDJPY5 submitted 2016-09-14 physics.ins-det hep-ex

classification physics.ins-dethep-ex
keywords driftexo-200diffusiontransversevelocityelectronsliquidmeasurement
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

The EXO-200 Collaboration is searching for neutrinoless double beta decay using a liquid xenon (LXe) time projection chamber. This measurement relies on modeling the transport of charge deposits produced by interactions in the LXe to allow discrimination between signal and background events. Here we present measurements of the transverse diffusion constant and drift velocity of electrons at drift fields between 20~V/cm and 615~V/cm using EXO-200 data. At the operating field of 380~V/cm EXO-200 measures a drift velocity of 1.705$_{-0.010}^{+0.014}$~mm/$\mu$s and a transverse diffusion coefficient of 55$\pm$4~cm$^2$/s.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Flow-dependent tagging of $^{214}$Pb decays in the LZ dark matter detector

    physics.ins-det 2025-08 conditional novelty 6.0 of 10

    Flow-dependent tagging, built from paired radon-polonium decays, identifies 63% of 214Pb beta-decay backgrounds in LZ's fiducial volume at 9.0% exposure cost.

  2. Sensitivity of nEXO to $^{136}$Xe Charged-Current Interactions: Background-free Searches for Solar Neutrinos and Fermionic Dark Matter

    nucl-ex 2025-06 conditional novelty 6.0 of 10

    A new delayed-coincidence tag from 136Cs isomers could let the nEXO detector reject backgrounds down to 10^-9 and measure CNO solar neutrinos, the 7Be neutrino energy, and sub-MeV fermionic dark matter.

  3. First constraints on the coherent elastic scattering of reactor antineutrinos off xenon nuclei

    hep-ex 2024-11 accept novelty 6.0 of 10

    The RED-100 experiment sets the first constraints on reactor antineutrino coherent scattering off xenon nuclei, with 90% C.L. upper limits 60 to 90 times the Standard Model expectation.

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