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Scintillation efficiency and ionization yield of liquid xenon for mono-energetic nuclear recoils down to 4 keV

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arxiv 0909.1063 v4 pith:EAVNIIUJ submitted 2009-09-05 physics.ins-det astro-ph.IMhep-ex

Scintillation efficiency and ionization yield of liquid xenon for mono-energetic nuclear recoils down to 4 keV

classification physics.ins-det astro-ph.IMhep-ex
keywords energyefficiencyscintillationdownfieldfindingionizationleff
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Liquid Xenon (LXe) is an excellent material for experiments designed to detect dark matter in the form of Weakly Interacting Massive Particles (WIMPs). A low energy detection threshold is essential for a sensitive WIMP search. The understanding of the relative scintillation efficiency (Leff) and ionization yield of low energy nuclear recoils in LXe is limited for energies below 10 keV. In this paper, we present new measurements that extend the energy down to 4 keV, finding that Leff decreases with decreasing energy. We also measure the quenching of scintillation efficiency due to the electric field in LXe, finding no significant field dependence.

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

  1. Low-Energy Nuclear Recoil Calibration of XENONnT with a $^{88}$YBe Photoneutron Source

    physics.ins-det 2024-12 unverdicted novelty 5.0

    XENONnT extracted nuclear recoil light and charge yields in liquid xenon from 0.3 to 5 keV_NR using 474 events from a ⁸⁸YBe source after subtracting 55 background events.