相位II SIMPLE暗物质搜索信号的仪器、采集和分析
Instrumentation, acquisition and analysis of the Phase II SIMPLE dark matter search signals
摘要：
我描述了新的仪器的简单暗物质搜索实验，并在第二阶段的项目测量的第一阶段，它的使用在识别，验证和拒绝非WIMP背景。除了固有的声学背景的歧视，通过分析信号参数的α和中子引起的事件之间的歧视提供了证据。第二阶段测量的第一阶段结果的分析产生14个事件与周围的中子场，符合MCNP模拟，其中包括所有材料的放射性分析和全面的测量屏蔽。
英文摘要：
I describe the new instrumentation for the SIMPLE dark matter search experiment, and its use in identifying, validating and rejecting non-WIMP backgrounds in the first stage of the Phase II project measurements. Beyond intrinsic acoustic background discrimination, evidence is provided for discrimination between α- and neutron-induced events via analysis of the signal parameters. Analysis of the first stage result of the Phase II measurements yields 14 events associated with the ambient neutron field, consistent with MCNP simulations which include all materials radio-assays and full measurement shielding.
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