Constraints on the diffuse high-energy neutrino flux from the third flight of ANITA

Constraints on the diffuse high-energy neutrino flux from the third flight of ANITA
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ANITA 第三次飞行对扩散高能中微子通量的约束

DOI:
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发表时间:
2018
期刊:
影响因子:
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通讯作者:
S. Wissel
S. Wissel
中科院分区:
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文献类型:
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作者:
P. Gorham;P. Allison;O. Banerjee;L. Batten;J. Beatty;K. Bechtol;K. Belov;D. Besson;W. Binns;V. Bugaev;P. Cao;C. ;C. Chen;P. Chen;J. Clem;A. Connolly;L. Cremonesi;B. Dailey;C. Deaconu;P. Dowkontt;B. Fox;J. Gordon;C. Hast;B. Hill;S. Hsu;J. J. Huang;K. Hughes;R. Hupe;M. Israel;K. Liewer;T. Liu;A. Ludwig;L. Macchiarulo;S. Matsuno;C. Miki;K. Mulrey;J. Nam;C. Naudet;R. Nichol;A. Novikov;E. Oberla;S. Prohira;B. Rauch;J. Roberts;A. Romero;B. Rotter;J. Russell;D. Saltzberg;D. Seckel;H. Schoorlemmer;J. Shiao;S. Stafford;J. Stockham;M. Stockham;B. Strutt;M. Sutherland;G. Varner;A. Vieregg;S. H. Wang;S. Wissel

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南极脉冲瞬态天线(ANITA)是美国宇航局的一个长期气球有效载荷,用于搜索极地冰中超高能量中微子相互作用产生的无线电发射。ANITA的第三次飞行(ANITA- iii)于2014年12月发射,完成了22天的飞行。我们提出了三个盲分析的结果,寻找中微子起源的阿斯卡良射电发射。在最敏感的分析中,我们发现一个信号候选事件的预期先验背景为0.7^{+0.5}_{-0.3}$。虽然与背景估计一致,但候选事件仍然与中微子假设相容,即使经过额外的事后审查。
The Antarctic Impulsive Transient Antenna (ANITA), a NASA long-duration balloon payload, searches for radio emission from interactions of ultra-high-energy neutrinos in polar ice. The third flight of ANITA (ANITA-III) was launched in December 2014 and completed a 22-day flight. We present the results of three blind analyses searching for Askaryan radio emission of neutrino origin. In the most sensitive of the analyses, we find one signal candidate event on an expected a priori background of $0.7^{+0.5}_{-0.3}$. Though consistent with the background estimate, the candidate event remains compatible with a neutrino hypothesis even after additional a posteriori scrutiny.
使用 Martin-Stirling-Thorne-Watt 部分子分布函数计算高能中微子-核子截面和不确定性以及对未来实验的影响
DOI: 10.1103/physrevd.83.113009
发表时间: 2011
期刊: Physical Review D
影响因子: 5
作者:
Connolly A
通讯作者: Connolly A