Collaborative Research: WoU-MMA: Ultrahigh Energy Neutrinos with the Radio Neutrino Observatory in Greenland

合作研究：WoU-MMA：与格陵兰岛射电中微子观测站的超高能中微子

• 批准号: 2310125
• 负责人: Brian Clark
• 金额: $ 14.8万
• 依托单位: University of Maryland, College Park
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2023
• 资助国家: 美国
• 起止时间: 2023-09-01 至 2025-08-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2310125&HistoricalAwards=false
• 关键词: Collaborative; Research; WoU; MMA; Ultrahigh

Ultra-high-energy neutrinos are unique astrophysical messengers as they interact only weakly with intervening matter and can therefore be used to probe high energy sources and extreme conditions throughout the universe, and to test physics at energies beyond the standard models. With support from this award, the PIs will expand the currently operating Radio Neutrino Observatory in Greenland (RNO-G) to enable observations of the highest-energy neutrinos. When combined with observations from other messengers like photons, cosmic rays, and gravitational waves, observations of neutrinos made with RNO-G can further advance our understanding of the most powerful cosmic ray accelerators and explosive events in the universe. This award will engage people from a broad range of backgrounds in multi-messenger astrophysics through this research and through dedicated student workshops and activities. This award addresses the priority areas of NSF's "Windows on the Universe" Big Idea. RNO-G’s design is optimized to search for the radio flash generated by neutrino interactions in polar ice using modular stations that act as their own independent experiments. With the large footprint of the full array, RNO-G will have an unprecedented sensitivity and will be the first ultra-high energy neutrino observatory with a view of the Northern sky. This two-year program will continue to build the RNO-G array beyond the seven stations currently installed and operating in Greenland. The supported groups will improve the drill reliability and efficiency to more rapidly install stations in the ice. They will construct and install the instrumentation and commission the stations. They will study radio wave propagation in ice, crucial for accurate modeling of the instrument. They will operate the RNO-G stations in science data-taking mode and study the performance of the instrument.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

超高能量神经元是独特的天体物理使者，因为它们仅与中间物质相互作用弱，因此可以用于探测整个宇宙中的高能源和极端条件，并在标准模型以外的能量上测试物理学。在该奖项的支持下，PI将扩大格陵兰岛（RNO-G）目前运行的无线电中微子天文台，以实现对最高能量神经元的观察。当与其他使者（例如照片，宇宙射线和引力波）的观察结果结合在一起时，对用RNO-G制成的神经元的观察可以进一步促进我们对宇宙中最强大的宇宙射线加速器和爆炸性事件的理解。该奖项将通过这项研究以及专门的学生讲习班和活动来吸引来自多门传播天体物理学的各种背景的人们。该奖项介绍了NSF“宇宙中的Windows”的优先领域。 RNO-G的设计经过优化，以搜索使用模块化站在极地冰中神经元相互作用产生的无线电闪光，这些站点充当其自身的独立实验。随着完整阵列的大占地面积，RNO-G将具有前所未有的灵敏度，并且将成为第一个超高的能量神经元观察，并可以欣赏到北方天空的景色。这项为期两年的计划将继续建立RNO-G阵列，超过目前在格陵兰岛安装和运营的七个电台。受支持的小组将提高钻探的可靠性和效率，以更快地在冰上安装站点。他们将构建和安装仪器，并委托电台。他们将研究冰中的无线电波传播，对于仪器的准确建模至关重要。他们将在科学数据研究模式下操作RNO-G站，并研究仪器的性能。该奖项反映了NSF的法定任务，并通过使用基金会的知识分子优点和更广泛的影响审查标准来评估被认为是宝贵的支持。