Development of a transmittance monitor for high-intensity photon beams
Development of a transmittance monitor for high-intensity photon beams
复制标题
高强度光子束透射率监测仪的开发
DOI:
10.1016/j.nima.2018.06.025
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发表时间:
2018
期刊:
影响因子:
--
通讯作者:
Y. Matsumura et al.
中科院分区:
文献类型:
--
作者:
H. Yamashiro;K. Kawagoe;T. Suehara;T. Yoshioka;K. Fujii and A. Miyamoto;Y. Matsumura et al.
A transmittance monitor has been developed for the second tagged-photon beamline at the Research Center for Electron Photon Science, Tohoku University, Japan. In this beamline, an internal radiator is employed to produce the bremsstrahlung photon beam out of circulating electrons in a synchrotron. The transmittance, which is defined as the probability of finding a photon coming to the target position when an electron is detected with a photon-tagging counter, should be determined to deduce cross sections for photo-induced reactions. The developed monitor consists of a telescope of thin plastic scintillators with a positron and electron converter, and a dedicated circuit implemented in a field-programmable gate array chip. The transmittance can be measured with this monitor for high-intensity photon beams corresponding to 20 MHz tagging signals. The measured transmittance is found to be constant with respect to the photon intensity for each photon-tagging channel.
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DOI:
--
发表时间:
2017
期刊:
影响因子:
--
作者:
I. Nagasawa;T. Ishikawa;H. Hamano;T. Hotta;K. Mizutani;K. Nanbu;K. Takahashi;Y. Tsuchikawa;T. Ishikawa
通讯作者:
T. Ishikawa
影响因子:
3.1
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10.1016/j.nima.2012.08.085
发表时间:
2012-12
影响因子:
1.4
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通讯作者:
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DOI:
10.1088/1742-6596/425/0/001001
发表时间:
2013
期刊:
Journal of Physics: Conference Series
影响因子:
--
作者:
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通讯作者:
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DOI:
--
发表时间:
2010
期刊:
Nucl. Instr. Meth.
影响因子:
--
作者:
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通讯作者:
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