Restoration of the Signals from Multi-hit Three-Layer Delay-Line Anode Position-Sensitive Detector

CAO Shi-Ping; MA Xin-Wen

Chinese Physics C> 2007, Vol. 31> Issue(3) : 278-282

Restoration of the Signals from Multi-hit Three-Layer Delay-Line Anode Position-Sensitive Detector

CAO Shi-Ping ,
MA Xin-Wen ^,

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China3 Max-Planck-Institut fur Kernphysik Saupfercheckweg, 1-69117 Heidelberg, Germany

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Multi-hit 3-layer delay-line anode (Hexanode) has an increased ability to detect multi-hit events in a collision experiment. Coupled with a pair of micro-channel plates, it can provide position information of the particles even if the particles arrive at the same time or within small time dwell. But it suffers from some ambiguous outputs and signal losses due to timing order and triggering thresholds etc. We have developed a signal reconstruction program to correct those events. After the program correction, the dead time only exists when 2 particles arrive at the same time and the same position within a much smaller range. With the combination of Hexanode and the program, the experimental efficiencies will be greatly improved in near threshold double ionization on He collisions.

References

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CAO Shi-Ping and MA Xin-Wen. Restoration of the Signals from Multi-hit Three-Layer Delay-Line Anode Position-Sensitive Detector[J]. Chinese Physics C, 2007, 31(3): 278-282.

CAO Shi-Ping and MA Xin-Wen. Restoration of the Signals from Multi-hit Three-Layer Delay-Line Anode Position-Sensitive Detector[J]. Chinese Physics C, 2007, 31(3): 278-282. shu

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Received: 2006-05-11
Revised: 2006-07-10

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Restoration of the Signals from Multi-hit Three-Layer Delay-Line Anode Position-Sensitive Detector

Corresponding author: MA Xin-Wen,

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China3 Max-Planck-Institut fur Kernphysik Saupfercheckweg, 1-69117 Heidelberg, Germany

Received Date: 2006-05-11

Accepted Date: 2006-07-10

Available Online: 2007-03-05

Abstract: Multi-hit 3-layer delay-line anode (Hexanode) has an increased ability to detect multi-hit events in a collision experiment. Coupled with a pair of micro-channel plates, it can provide position information of the particles even if the particles arrive at the same time or within small time dwell. But it suffers from some ambiguous outputs and signal losses due to timing order and triggering thresholds etc. We have developed a signal reconstruction program to correct those events. After the program correction, the dead time only exists when 2 particles arrive at the same time and the same position within a much smaller range. With the combination of Hexanode and the program, the experimental efficiencies will be greatly improved in near threshold double ionization on He collisions.

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Restoration of the Signals from Multi-hit Three-Layer Delay-Line Anode Position-Sensitive Detector

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