Measurement of the Ripple of Magnet Power Supply and Its Effect to the Beam Energy
Radiation detection technology and methods(2017)
Abstract
Objective: This study is aimed at measuring the ripple of magnetic power supply of BEPCII and checking its effect to beam energy. Materials and methods: A sensor made of printed circuit board coils is designed and manufactured. The sensor was inserted into a good area region of the magnetic field with the surface perpendicular to the field force lines. The change of the magnetic field would be detected according to Faraday’s law. Results: The experiment result indicates that the time-dependent ripple of the magnetic field is in the magnitude of ppm. Conclusion: Such a small effect of the time-dependent ripplecan be negligibleto beam energy.
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Key words
Laser,HPGe detector,Beam energy measurement
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