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b-delayed proton spectroscopy is a very useful tool to determine the properties of exotic nuclei,such as their existences,masses,half-lives and level structures of the exotic nuclei. Specially,by measuring the very low energy protons,one can better understand the rapid proton(rp)nucleosynthesis process. However,there is always large β-ray piles up at energies below 1 MeV in the β-delayed proton spectra and one usually encounters proton spectra riding on orders of magnitude the higher β-ray background. Therefore, it is imperative to develop a low energy proton telescope to separate the low energy protons from the intense β-decay background.The low detection limit of the telescope is determined by
b-delayed proton spectroscopy is a very useful tool to determine the properties of exotic nuclei, such as their existences, masses, half-lives and level structures of the exotic nuclei. Specially, by measuring the very low energy protons, one can better understand However, there is always large β-ray piles up at energies below 1 MeV in β-delayed proton spectra and one usually encounters proton spectra riding on orders of magnitude the higher β-ray background. Therefore, it is imperative to develop a low energy proton telescope to separate the low energy protons from the intense β-decay background. The low detection limit of the telescope is determined by