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An Optimal Energy Estimator to Reduce Correlated Noise for the EXO-200 Light Readout

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arxiv 1605.06552 v2 pith:IIZODN64 submitted 2016-05-20 physics.ins-det hep-exnucl-ex

classification physics.ins-dethep-exnucl-ex
keywords energynoisecorrelateddetectorexo-200leftoptimalresolution
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

The energy resolution of the EXO-200 detector is limited by electronics noise in the measurement of the scintillation response. Here we present a new technique to extract optimal scintillation energy measurements for signals split across multiple channels in the presence of correlated noise. The implementation of these techniques improves the energy resolution of the detector at the neutrinoless double beta decay Q-value from $\left[1.9641\pm 0.0039\right]\%$ to $\left[1.5820\pm 0.0044\right]\%$.

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

  1. Measurement of the scintillation and ionization response of liquid xenon at MeV energies in the EXO-200 experiment

    physics.ins-det 2019-08 accept novelty 7.0 of 10

    EXO-200 measured the absolute ionization and scintillation yields of liquid xenon at 1.1-2.6 MeV, finding a W-value of 11.5 eV and a recombination-independent energy scale about 15% below the NEST simulation prediction.

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