Haiyan Du

Calibration of a Micromegas-based gaseous time projection chamber using cosmic ray muons

Wenming Zhang, Y. Liu, Haiyan Du, Kecen Han et autres

Abstract We report the calibration of a gaseous Time Projection Chamber based on Micromegas charge readout modules with cosmic ray muons, utilizing their penetrating power and relatively uniform energy deposition per unit length. Muon events were selected through track reconstruction to characterize …

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Calibration of a Micromegas-based Gaseous Time Projection Chamber Using Cosmic Ray Muons

Wenming Zhang, Y. Liu, Haiyan Du, Kecen Han et autres

We report the calibration of a gaseous Time Projection Chamber based on Micromegas charge readout modules with cosmic ray muons, utilizing their penetrating power and relatively uniform energy deposition per unit length. Muon events were selected through track reconstruction to characterize detector …

Automatic Aspects Calculation Using a Three-Stage Deep Learning Model in Patients with Acute Ischemic Stroke

Jianyong Wei, Kai Shang, Xiaoer Wei, Yueqi Zhu et autres

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A gaseous time projection chamber with Micromegas readout for low-radioactive material screening

Haiyan Du, Chengbo Du, Kecen Han, Shengming He et autres

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Screener3D: a gaseous time projection chamber for ultra-low radioactive material screening

Haiyan Du, Chengbo Du, Karl Ludwig Giboni, Kecen Han et autres

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Establishment of ISO 4037‐1 X‐ray narrow‐spectrum series

Deliang Zhang, Wanchang Lai, Jinjie Wu, Haiyan Du et autres

In order to calibrate radiation protection instruments and determine radiation dose, it is critical to establish an X‐ray narrow‐spectrum series recommended by the standard ISO 4037‐1 which is published by the International Standardisation Organisation (ISO). By experiment, the qualities of filtered X …

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Simulation and measurement of spectra of reference filtered X radiation

Deliang Zhang, Wu Jinjie, Siming Guo, Wanchang Lai et autres

The energy spectrum is one of the most effective methods to characterise the quality of reference filtered X radiations. To obtain the energy resolution, the authors choose seven sealed standard radioactive sources to carry out energy calibration for high‐purity germanium detector whose …

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Establishment of 350–450 kV wide spectrum and high air‐kerma rate X‐ray radiation mass

Bo Wang, Wu Jinjie, Haiyan Du, Siming Guo et autres

In recent years, the measurement of X‐rays has attracted much attention. Especially in the aspects of environmental monitoring, radiation protection, and radiation therapy, to obtain more accurate measurement values, it is necessary to set up a corresponding reference device to trace the …

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Monte–Carlo simulation of wall correction factor of graphite cavity ionisation chamber

Bo Wang, Wu Jinjie, Haiyan Du, Siming Guo et autres

The purpose of this article is to discuss the method of determining the wall correction factor of graphite cavity ionisation chamber. The method is the ‘equal effect wall thickness’ simulation and direct calculation of the wall correction factor of the std10cm 3 …

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Topological background discrimination in the PandaX-III neutrinoless double beta decay experiment

J. Galán, Xun Chen, Haiyan Du, Chang-Bo Fu et autres

Abstract The PandaX-III experiment plans to search for neutrinoless double beta decay (0 νββ ) of 136 Xe in the China JinPing underground Laboratory (CJPL). The experiment will use a high pressure gaseous time projection chamber (TPC) to register both the energy …

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