10 research outputs found

    两种结构GaN基太阳盲紫外探测器

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    分别在金属有机化学汽相沉积(MOCVD)生长的i-Al0.33Ga0.67N/AlN/n-GaN和p-Al0.45Ga0.55N/i—Al0.45Ga0.55N/n+-Al0.65Ga0.35N的异质结构上,成功研制了太阳盲区的肖特基型和PIN型紫外探测器。研究结果表明,Au与i—Al0.33Ga0.67N形成了较好的肖特基结,响应波长从250—290nm,峰值(286nm)响应率约为0.08A/W;PIN型紫外探测器的响应波长从230~275nm,峰值(246nm)响应率约为0.02A/W

    Literaturverzeichnis und Anhang

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    Measurement of integrated luminosity of data collected at 3.773 GeV by BESIII from 2021 to 2024*

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    Determination of the number of ψ(3686) events taken at BESIII

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    The number of ψ(3686) events collected by the BESIII detector during the 2021 run period is determined to be (2259.3±11.1)×106 by counting inclusive ψ(3686) hadronic events. The uncertainty is systematic and the statistical uncertainty is negligible. Meanwhile, the numbers of ψ(3686) events collected during the 2009 and 2012 run periods are updated to be (107.7±0.6)×106 and (345.4±2.6)×106, respectively. Both numbers are consistent with the previous measurements within one standard deviation. The total number of ψ(3686) events in the three data samples is (2712.4±14.3)×10^

    Amplitude analysis of the decays D0π+ππ+πD^0\rightarrow\pi^+\pi^-\pi^+\pi^- and D0π+ππ0π0D^0\rightarrow\pi^+\pi^-\pi^0\pi0

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