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arXiv 1102.3206astro-ph.HE
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伽马射线暴超高能中微子注量的第一极限

The First Limits on the Ultra-high Energy Neutrino Fluence from Gamma-ray Bursts

A. G. Vieregg, K. Palladino, P. Allison, B. M. Baughman, J. J. Beatty, K. Belov, D. Z. Besson, S. Bevan, W. R. Binns, C. Chen, P. Chen, J. M. Clem, A. Connolly,… 展开作者

A. G. Vieregg, K. Palladino, P. Allison, B. M. Baughman, J. J. Beatty, K. Belov, D. Z. Besson, S. Bevan, W. R. Binns, C. Chen, P. Chen, J. M. Clem, A. Connolly, M. Detrixhe, D. De Marco, P. F. Dowkontt, M. DuVernois, P. W. Gorham, E. W. Grashorn, B. Hill, S. Hoover, M. Huang, M. H. Israel, A. Javaid, K. M. Liewer, S. Matsuno, B. C. Mercurio, C. Miki, M. Mottram, J. Nam, R. J. Nichol, A. Romero-Wolf, L. Ruckman, D. Saltzberg, D. Seckel, G. S. Varner, Y. Wang

摘要:

我们根据ANITA第二次飞行的数据,对来自伽马射线暴(GRB)的能量大于10^9 GeV的超高能(UHE)中微子注量设定了第一个限制。在ANITA-Ⅱ 31天的飞行中,Swift或Fermi记录了26个伽玛暴。其中,我们分析了12个伽玛暴发生在安静的时期,当有效载荷远离人类活动。在盲分析中,我们观察到0个事件的总背景的0.0044事件的组合提示窗口中的所有12个低背景突发。我们还观察到0事件,从其余14个爆发。我们将GRB 090107 A在10^8到10^12 GeV之间的E^-4瞬发中微子注量限制在2.5 × 10^17 GeV^3/cm^2,置信度为90%。这是第一个报道的10^9 GeV以上GRB的UHE中微子注量极限,也是10^8 GeV以上的最强极限。

英文摘要:

We set the first limits on the ultra-high energy (UHE) neutrino fluence at energies greater than 10^9 GeV from gamma-ray bursts (GRBs) based on data from the second flight of the ANtarctic Impulsive Transient Antenna (ANITA). During the 31 day flight of ANITA-II, 26 GRBs were recorded by Swift or Fermi. Of these, we analyzed the 12 GRBs which occurred during quiet periods when the payload was away from anthropogenic activity. In a blind analysis, we observe 0 events on a total background of 0.0044 events in the combined prompt window for all 12 low-background bursts. We also observe 0 events from the remaining 14 bursts. We place a 90% confidence level limit on the E^-4 prompt neutrino fluence of 2.5x10^17 GeV^3/cm^2 between 10^8 and 10^12 GeV from GRB090107A. This is the first reported limit on the UHE neutrino fluence from GRBs above 10^9 GeV, and the strongest limit above 10^8 GeV.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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