在ESS产生强冷中子束的大容量D2源
Voluminous D2 source for intense cold neutron beam production at the ESS
摘要：
ESS最近开发的平板减速器概念开辟了一种可能性，即目标上方的单个平板减速器可以服务于所有依赖高亮度的散射仪器。这将允许在目标以下引入一种根本不同的减速剂，以满足某些基础物理实验的补充需要。为了便于实验，取决于在一个相当大的束中的中子的总数，一个大体积的D2减速剂的选择，在一个大的横截面提取指南进行了讨论，并评估其中子性能。
英文摘要：
The development of the flat moderator concept at ESS recently opened up the possibility that a single flat moderator above the target could serve all the scattering instruments, that rely on high brightness. This would allow for the introduction of a fundamentally different moderator below the target for the complementary needs of certain fundamental physics experiments. To facilitate experiments depending on the total number of neutrons in a sizable beam, the option of a voluminous D2 moderator, in a large cross-section extraction guide is discussed and its neutronic performance is assessed.
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