Instrumentation study demonstrates a 128-channel multi-layer Faraday cup for carbon beam monitoring, indicating potential for rapid range and energy verification in particle therapy.
Because of determining the depth of Bragg Peak, range and energy of carbon beam are very important parameters in therapy. In order to measure those parameters rapidly, we design a multi-layer Faraday cup (MLFC). Simulation of proton beam and carbon beam are given in this paper. A prototype has 128 channels have been developed. Each consists of a 40 um copper foil and 600 um FR4 plate. A 128 channels electronics was used to measurement the deposited ions in each copper foil.
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Tang et al. (2021) studied this question.
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