萨德伯里中微子观测站$^8$ B太阳中微子通量高频变化的观测
Searches for High Frequency Variations in the $^8$B Solar Neutrino Flux at the Sudbury Neutrino Observatory
摘要：
我们已经进行了三次搜索的太阳中微子通量测量的萨德伯里中微子天文台（SNO），太阳$g$模式振荡的可能性，可能会影响太阳$^8$ B中微子的生产或传播的动机。第一次搜索在1/天至144/天的频率范围内寻找任何显著峰值，对振幅为12%或更大的正弦信号具有灵敏度。第二次搜索集中在SoHO卫星上的实验声称存在$g$模式信号的区域，并且对幅度为10%或更大的信号敏感。第三次搜索在整个频带上寻找额外的功率。在三次检索中均未检测到统计学显著性信号。
英文摘要：
We have performed three searches for high-frequency signals in the solar neutrino flux measured by the Sudbury Neutrino Observatory (SNO), motivated by the possibility that solar $g$-mode oscillations could affect the production or propagation of solar $^8$B neutrinos. The first search looked for any significant peak in the frequency range 1/day to 144/day, with a sensitivity to sinusoidal signals with amplitudes of 12% or greater. The second search focused on regions in which $g$-mode signals have been claimed by experiments aboard the SoHO satellite, and was sensitive to signals with amplitudes of 10% or greater. The third search looked for extra power across the entire frequency band. No statistically significant signal was detected in any of the three searches.
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