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远离β稳定线核素(也称奇异核)的探索是核物理研究非常重要的前沿领域,它对于发现新核素、新的核衰变模式以及深化对核内相互作用的理解都有十分重要的意义。本文描述了一种光电脉冲束流调制器和实验中的电子学系统。在这种束流调制器主要用于控制加速器束流和探测器系统。利用该调制器,通过β延迟质子发射,首次观测了在40Ca(32S,3n)反应中产生的Tz=-3/2,A=4n+1奇异核69Kr。
The exploration away from β-stable line nuclides (also known as singular nuclei) is a very important frontier field in nuclear physics research. It is very important for discovering new nuclides, new nuclear decay patterns and deepening understanding of nuclear interactions significance. This paper describes an optoelectronic pulsed beam modulator and an experimental electronics system. The beam modulator is used primarily to control the accelerator beam and detector system. With this modulator, the Tz = -3 / 2 and A = 4n + 1 singular nuclei 69Kr generated in the 40Ca (32S, 3n) reaction were first observed by β-delayed proton emission.