The Preliminary Results from the Charge Particle Detector at the "Back-n" White Neutron Source

At the end of 2017, the CSNS (China Spallation Neutron Source) started the running with the neutron beam. The white neutron source "Back-n" as the extended program of the CSNS had its first results from several experiments. The Light Charged Particle detectors array (LPDA) in this report is one of the experimental systems, including an elaborate vacuum chamber and some vary purpose detectors. During the developing and testing, this system gives excellent performance. Preliminary results from the Light Charged Particle detectors array (LPDA) show a good particle resolution with
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Li target. The more interested target will be implemented in future.