A timing detector with pulsed high-voltage power supply for mass measurements at CSRe
- Zhang, W.
- Tu X.L., X.
- Wang, M.
- Zhang, Y.
- Xu, H.
- Litvinov, Y.
- Blaum, K.
- Chen, X.
- Hu, Z.
- Huang, W.
- Ma, X.
- Mao, R.
- Mei, B.
- Shuai, P.
- Sun, B.
- Yamaguchi, T.
- Xia, J.
- Xiao, G.
- Xu, X.
- Yan, X.
- Yang, J.
- Yuan, Y.
- Zhou, X.
- Zhao, H.
- Zhao, T.
DOIAbstract
Accuracy of nuclear mass measurements in storage rings depends critically on the accuracy with which the revolution times of stored ions can be obtained. In such experiments, micro-channel plates (MCP) are used as timing detectors. Due to large phase space of injected secondary beams, a large number of ions cannot be stored in the ring and is lost within the first few revolutions. However, these ions interact with the detector and can saturate the MCP and thus deteriorate its performance. In order to eliminate such effects, a fast, pulsed high-voltage power supply (PHVPS) has been employed which keeps the detector switched-off during the first few revolutions. The new detector setup was taken into operation at the Experimental Cooler-Storag...
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