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GPU-based optical simulation of the DARWIN detector

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arxiv 2203.14354 v2 pith:AFW6SX2E submitted 2022-03-27 physics.ins-det astro-ph.IM

classification physics.ins-detastro-ph.IM
keywords detectoropticalconventionaldarwinframeworkgpu-basedlightliquid
verification ladder T0 review T1 audit T2 compute T3 formal

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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 detail than using conventional Geant4 optical simulations, making it an attractive tool to guide the development of the ultimate liquid xenon observatory.

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

  1. 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.

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