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Creators/Authors contains: "Ostrovskiy, I."

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  1. ; ; ; ; ; ; ; ; ; ; et al ( , Journal of Instrumentation)
    Abstract Understanding propagation of scintillation light is critical for maximizing the discovery potential of next-generation liquid xenon detectors that use dual-phase time projection chamber technology. This work describes a detailed optical simulation of the DARWIN detector implemented using Chroma, a GPU-based photon tracking framework. To evaluate the framework and to explore ways of maximizing efficiency and minimizing the time of light collection, we simulate several variations of the conventional detector design. Results of these selected studies are presented. More generally, we conclude that the approach used in this work allows one to investigate alternative designs faster and in more detailmore »than using conventional Geant4 optical simulations, making it an attractive tool to guide the development of the ultimate liquid xenon observatory.« less
    Free, publicly-accessible full text available July 1, 2023
  2. ; ; ; ; ; ; ; ; ; ; et al ( , Nature)
    Free, publicly-accessible full text available February 3, 2023
  3. ; ; ; ; ; ; ; ; ; ; et al ( , Physical Review D)
    Free, publicly-accessible full text available December 1, 2022
  4. ; ; ; ; ; ; ; ; ; ; et al ( , Journal of Instrumentation)
    Abstract The EXO-200 experiment searched for neutrinoless double-beta decay of 136 Xe with a single-phase liquid xenon detector. It used an active mass of 110 kg of 80.6%-enriched liquid xenon in an ultra-low background time projection chamber with ionization and scintillation detection and readout. This paper describes the design and performance of the various support systems necessary for detector operation, including cryogenics, xenon handling, and controls. Novel features of the system were driven by the need to protect the thin-walled detector chamber containing the liquid xenon, to achieve high chemical purity of the Xe, and to maintain thermal uniformity acrossmore »the detector.« less
    Free, publicly-accessible full text available February 1, 2023
  5. ; ; ; ; ; ; ; ; ; ; et al ( , Physical Review Letters)
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  6. ; ; ; ; ; ; ; ; ; ; et al ( , Journal of Instrumentation)
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  7. ; ; ; ; ; ; ; ; ; ; et al ( , Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment)
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  8. ; ; ; ; ; ; ; ; ; ; et al ( , Physical Review C)
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  9. ; ; ; ; ; ; ; ; ; ; et al ( , Physical Review Letters)
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  10. ; ; ; ; ; ; ; ; ; ; et al ( , IEEE Transactions on Nuclear Science)
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