The raison d'être of long pulse spallation sources
The raison d'être of long pulse spallation sources
复制标题
长脉冲散裂源存在的理由
DOI：
10.1080/10238169708200095
复制
发表时间：
1997
影响因子：
1.1
通讯作者：
F. Mezei
中科院分区：
文献类型：
--
作者：
F. Mezei
摘要目前的加速器技术使我们今天可以设想，与现有最强的中子源相比，用于中子散射实验的中子源的中子通量增加了一个数量级以上，即ILL的高通量反应堆和散裂源ISIS，这两个设施在中子散射中具有互补的用途，但有很大的重叠。未来增强型电源的优化设计必须处理全球系统加速器-靶-站-中子散射仪之间的复杂关系。对这三个非常不同的成分的基本方面的分析表明，根据中子能量的不同，有两种不同的技术解决方案以最低的成本提供了最佳的性能：(A)对于热中子和超热中子，常规散裂源具有μ-S范围内的短质子脉冲(Spss)；(B)对于热中子和冷中子，长脉冲源的质子束脉冲在ms范围内(Lps)。这实际上意味着..。
Abstract Current accelerator technology allows us today to envisage neutron sources with well above an order of magnitude increased neutron flux for neutron scattering experiments compared to the most intense existing neutron sources, i.e. the high flux reactor at ILL and the spallation sources ISIS, two facilities of complementary use in neutron scattering, with a substantial overlap though. The optimal design of a future, enhanced power source has to tackle the complex relations within the global system accelerator-target-station-neutron scattering instruments. An analysis of the fundamental aspects of these three very different ingredients shows that, depending on the neutron energy, two different technical solutions offer the best performance at lowest costs: (a) conventional spallation sources with short proton pulses in the μs range (SPSS) for hot and epithermal neutrons and (b) long pulse sources with proton beam pulses in the ms range (LPSS) for thermal and cold neutrons. This actually means that ...