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用实验方法研究了国家同步辐射实验室２００ＭｅＶ电子束经钨片产生的轫致辐射的通量梯度，计算了角分布半宽度，为今后利用该轫致辐射进行缺中子核素的制备和开展光子活化分析确定了照射条件
The flux gradient of the bremsstrahlung generated by the 200 MeV electron beam from a tungsten sheet in a national synchrotron radiation laboratory was studied experimentally and the half width of the angular distribution was calculated. The preparation and development of the neutron nuclide for the future using this bremsstrahlung Photon activation analysis confirmed the irradiation conditions