主动相关技术的现状与发展
Active Correlation Technique: Status and Development
摘要:
近年来,在FLNR上成功地完成了用~(48)Ca离子束合成Z=112 ~ 118的超重元素的实验循环。从稀有衰变的探测和背景抑制的观点来看,这一成功是由于应用了一种新的激进技术,即主动相关方法。该方法采用搜索在一个实时模式的指针,一个可能的相关性,如反冲阿尔法关闭光束。如果在同一探测器条中探测到额外的α衰变事件,则自动延长射束关闭时间间隔
英文摘要:
During the recent years, at the FLNR a successful cycle of experiments has been accomplished on the synthesis of the superheavy elements with Z=112 to Z=118 using 48Ca ion beam. From the viewpoint of the detection of rare decays and background suppression, this success was achieved due to the application of a new radical technique, the method of active correlations. The method employs search in a real time mode for a pointer to a probable correlation like recoil alpha for switching the beam off. In the case of detection in the same detector strip an additional alpha decay event, of beam OFF time interval is prolonged automatically
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