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Physics > Instrumentation and Detectors

arXiv:1512.09197 (physics)
[Submitted on 31 Dec 2015]

Title:Devices for high precision x-ray beam intensity monitoring on BSRF

Authors:LI Hua-Peng, Kun Tang, Yi-Dong Zhao, Lei Zheng, Shu-Hu Liu, Xiao-Liang Zhao, Ya-Shuai Zhao
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Abstract:Synchrotron radiation with the characteristic of high brilliance, high level of polarization, high collimation, low emittance and wide tunability in energy has been used as a standard source in metrology(1, 2). For a decade, lots of calibration work have been done on 4B7A in Beijing Synchrotron Radiation Facility (BSRF) (3, 4). For the calibration process, a high-precision online monitor is indispensable. To control the uncertainty under 0.1%, we studied different sizes parallel ion chambers with rare-gas and used different collecting methods to monitor the x-ray intensity of the beamline. Two methods to collect the signal of the ion chambers: reading the current directly with electrometer or signal amplification to collect the counts were compared.
Comments: 7 pages
Subjects: Instrumentation and Detectors (physics.ins-det); Nuclear Experiment (nucl-ex)
Cite as: arXiv:1512.09197 [physics.ins-det]
  (or arXiv:1512.09197v1 [physics.ins-det] for this version)
  https://doi.org/10.48550/arXiv.1512.09197

Submission history

From: Li Hua-Peng [view email]
[v1] Thu, 31 Dec 2015 02:10:07 UTC (749 KB)
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