%0 Journal Article
%T Investigation of gamma-ray fingerprint identifing mechanism for the types of radiation sources<br>类型γ射线能谱指纹的识别机理
%A Liu Su-Ping
%A Wu Huai-Long
%A Gu Dang-Chang
%A Gong Jian
%A Hao Fan-Hua
%A Hu Guang-Chun
%A <br>刘素萍
%A 伍怀龙
%A 古当长
%A 龚建
%A 郝樊华
%A 胡广春
%J 物理学报
%D 2002
%I 
%X Radiation fingerprints sometimes can be used to label and identify the radiation resources. For instance, in a future nuclear reduction treaty that requires verification of irreversible dismantling of reduced nuclear warheads, the radiation fingerprints of nuclear warheads are expected to play a key role in labeling and identifying the reduced warheads. It would promote the development of nuclear warheads deep cuts verification technologies if we start right now some investigations on the issues related to the radiation fingerprints. This paper is dedicated to the investigation of gamma ray fingerprint identifying mechanism for the types of radiation resources. The purpose of the identifying mechanism investigation is to find a credible way to tell whether any two gamma ray spectral fingerprints that are under comparison are radiated from the same resource. We created the spectrum pattern comparison (SPC) to study the comparability of the two radiation fingerprints. Guided by the principle of SPC, we programmed a software dedicated to identify the types of radiation resources. The efficiency of the software was tested by a series of experiments with some laboratory gamma ray resources. The experiments were designed to look into the relations between comparability and radioactive statistics, and the relations between comparability and some measurement conditions such as real time, resource activity and background etc. Two main results can be drawn from the investigation: 1) it is quite feasible to use the concept of spectral comparability to answer the question whether any two gamma ray fingerprints are identity or not; 2) the identifying mechanism can only identify the types of radiation resources, and cannot identify the individuals with the same type and small differences.
%K gamma
%K ray spectral fingerprints
%K radiation fingerprints
%K identifying mechanism
%K verification technology<br>γ射线能谱指纹
%K 辐射指纹
%K 识别机理
%K 核查技术
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=C304D1B26CBA543C&yid=C3ACC247184A22C1&vid=987EDA49D8A7A635&iid=708DD6B15D2464E8&sid=D0661C157963C52D&eid=C7B12F806433804F&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=6