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以γN→πN′反应为例说明了极化实验的类型、自旋观测量同独立幅度的关系、实验上如何得到自旋观测量及实现完全测量等.也介绍了极化固体靶的原理和结构、靶材料的选取原则和适合遍举测量的4π型谱仪及其国际状况等.光致反应中的极化实验和遍举测量将是使用SLEGS从事核物理实验的重要手段.
Taking γN → πN ’reaction as an example, the types of polarization experiment, the relationship between the spin observation and the independent amplitude, how to get the spin observation and achieve the full measurement experimentally, etc. Structure, selection principle of target material and 4π type spectrometer suitable for all-around measurement and its international situation, etc. The polarization experiment and the ubiquitous measurement in photoreaction will be an important means to carry out nuclear physics experiment with SLEGS.