基于GPU的达尔文检测器的光学模拟

论文标题

基于GPU的达尔文检测器的光学模拟

GPU-based optical simulation of the DARWIN detector

论文作者

Althueser, L., Antunović, B., Aprile, E., Bajpai, D., Baudis, L., Baur, D., Baxter, A. L., Bellagamba, L., Biondi, R., Biondi, Y., Bismark, A., Brown, A., Budnik, R., Chauvin, A., Colijn, A. P., Cuenca-García, J. J., D'Andrea, V., Di Gangi, P., Dierle, J., Diglio, S., Doerenkamp, M., Eitel, K., Farrell, S., Ferella, A. D., Ferrari, C., Findley, C., Fischer, H., Galloway, M., Girard, F., Glade-Beucke, R., Grandi, L., Guida, M., Hansmann-Menzemer, S., Jörg, F., Jones, L., Kavrigin, P., Krauss, L. M., von Krosigk, B., Kuger, F., Landsman, H., Lang, R. F., Li, S., Liang, S., Lindner, M., Loizeau, J., Lombardi, F., Undagoitia, T. Marrodán, Masbou, J., Masson, E., Matias-Lopes, J., Milutinovic, S., Monteiro, C. M. B., Murra, M., Ni, K., Oberlack, U., Ostrovskiy, I., Pandurovic, M., Peres, R., Qin, J., Silva, M. Rajado, García, D. Ramírez, Sanchez-Lucas, P., Santos, J. M. F. dos, Schumann, M., Selvi, M., Semeria, F., Simgen, H., Steidl, M., Tan, P. -L., Terliuk, A., Thieme, K., Trotta, R., Tunnell, C. D., Tönnies, F., Valerius, K., Vetter, S., Volta, G., Wang, W., Wittweg, C., Xing, Y.

论文摘要

了解闪烁光的传播对于最大程度地提高使用双相时间投影室技术的下一代液体氙气检测器的发现潜力至关重要。这项工作描述了使用基于GPU的光子跟踪框架Chroma实现的Darwin检测器的详细光学模拟。为了评估框架并探索最大化效率并最大程度地收集光的时间的方法，我们模拟了常规探测器设计的几种变化。提出了这些选定的研究的结果。更普遍地，我们得出的结论是，这项工作中使用的方法可以比使用常规Geant4光学模拟更快，更详细地研究替代设计，从而使其成为指导最终液体Xenon天文台开发的有吸引力的工具。

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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