首页> 外文会议>Proceedings of the 32nd International Cosmic Ray Conference >Ross Ice Shelf Thickness, Radio-frequency Attenuation and Reflectivity: Implications for the ARIANNA UHE Neutrino Detector
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Ross Ice Shelf Thickness, Radio-frequency Attenuation and Reflectivity: Implications for the ARIANNA UHE Neutrino Detector

机译:罗斯冰架厚度,射频衰减和反射率:对ARIANNA UHE中微子探测器的影响

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The ARIANNA high energy neutrino detector is planned to be deployed on the surface of the Ross Ice Shelfto search for astrophysical neutrinos. Collisions with nuclei in the ice generate showers of particles that emit short pulsesof radiation, created by the Askaryan mechanism, in the frequency range of 100 MHz to 1 GHz. The ARIANNA site islocated about 65 miles from McMurdo Station, the main hub of US Antarctic operations, and is protected from ambientRF interference by a geologic formation known as Minna Bluff. In this work, we report preliminary results for thefrequency interval 90-180 MHz from site studies of the field attenuation length (averaged over depth), and reflection andpolarization properties of the saltwater-ice boundary.
机译:ARIANNA高能中微子探测器计划部署在Ross Ice Shelfto的表面上,以寻找天体物理中微子。冰中与原子核的碰撞会产生粒子簇,这些粒子簇会散发由Askaryan机制产生的短脉冲辐射,其频率范围为100 MHz至1 GHz。 ARIANNA站点距离美国南极行动的主要枢纽McMurdo站点约65英里,并通过称为Minna Bluff的地质构造免受环境RF干扰。在这项工作中,我们从现场衰减场长(在整个深度上取平均值)以及盐水-冰边界的反射和偏振特性的现场研究报告了90-180 MHz频率间隔的初步结果。

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