Collaborative Research: Askaryan Radio Array Ultra-high Energy Neutrino Detector

合作研究：Askaryan射电阵列超高能中微子探测器

• 批准号: 1359535
• 负责人: Amy Connolly
• 金额: $ 2.5万
• 依托单位: Ohio State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2013
• 资助国家: 美国
• 起止时间: 2013-09-15 至 2014-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1359535&HistoricalAwards=false
• 关键词: Collaborative; Research; Askaryan; Radio; Array

At high energies ( 10 PeV), neutrinos can be most efficiently detected in dense, radio frequency (RF) transparent media via the Askaryan effect. The abundant cold ice covering the geographic South Pole, with its exceptional RF clarity, has been host to several pioneering efforts to develop this approach. Within the last years, a two-phased experiment ? the Askaryan Radio Array (ARA), designed to ultimately accumulate hundreds of high-energy GZK neutrinos - has been initiated at the South Pole Station, combining the drilling and logistics experience of the IceCube project, as well as the in-situ RF experience of the RICE experiment and the sub-nanosecond-scale data acquisition of the long-duration balloon project ANITA. The goal of ARA's Phase 1 (2010?2013) was to make deployment of a few testbed-type stations that used equipment designed and built under the NSF-funded MRI award. The next phase is to continue observations with these testbed stations to accumulate knowledge about RF properties of the upper layers of the ice sheet at South Pole and develop reliable hardware and software for deployable in-ice stations in the future. Recently-deployed three testbed stations are currently operational collecting data. Although the deployment of three testbed stations was generally successful, a number of problems were found in the full, 37-stations array deployment plans. This award is to provide bridge funds to keep the deployed testbed stations operational for another 12 months, while the project team reworks their proposal devising a staged approach for the full array deployment.

在高能量（10 PEV）下，可以通过Askaryan效应在致密的射频（RF）透明培养基中最有效地检测中微子。覆盖地理南极的大量冷冰以其出色的RF清晰度，一直在开发这种方法的几项开创性努力中。在过去的几年中，一个两步的实验？ Askaryan无线电阵列（ARA）旨在最终积累数百种高能量的GZK Neutminos-在South Pole站启动，结合了Icecube项目的钻井和物流经验，以及稻米实验的现场RF体验，稻米实验的实验性经验，以及该长期算法的长期数据批准的项目批量批准项目。 ARA第1阶段（2010年2013年）的目标是部署一些测试台式电台，这些电台使用了根据NSF资助的MRI奖设计和建造的设备。下一阶段是继续使用这些测试台站进行观察，以积累有关南极冰盖上层的RF属性的知识，并在将来开发可靠的硬件和软件，以用于可部署的ICE In-In-In-In-Inter Station。最近被部署的三个测试台站目前正在运行收集数据。尽管部署了三个测试台站的部署通常是成功的，但在完整的37个站阵列部署计划中发现了许多问题。 该奖项旨在提供桥梁资金，以使部署的测试台电台再运行12个月，而项目团队则将其提案重新制作，为整个阵列部署设计了分阶段的方法。