论文标题
高能中微子诱导的级联反射来自耀斑无线电Blazar TXS 0506+056，Baikal-GVD在2021年观察到
High-energy neutrino-induced cascade from the direction of the flaring radio blazar TXS 0506+056 observed by Baikal-GVD in 2021
论文作者
论文摘要
明确证明了高能天体中微子的存在，但它们的消息来源仍然难以捉摸。 IceCube报道了290-TEV中微子与TXS 0506+056的伽马射线耀斑的关联，这是一种活跃的银河核，带有紧凑的无线电射流指向我们。后来，显示出统计显着性高的Icecube中微子事件与Icecube中微子事件有关。这些关联与独立实验的数据保持不确认。在这里，我们报告了一个罕见的中微子事件的检测，其估计能量为2021年4月的新贝加尔·吉尔卡尔·吉尔塔顿体积检测器（Baikal-GVD）的TXS 0506+056的估计能量为224+-75 TEV。此事件是该事件的最高级别级别，该事件是由Baikal-GVD Netrino TellirINo Tellirino Tellirone tellion a a aimention ternietion a a a ai NeTrime ternique a a aimentrino tellion ai they sellion aiment tewilderion a aim necore。结果支持以前的建议，即通常是无线电，尤其是TXS 0506+056，是高能中微子的来源，并打开了中微子天文学的级联通道。
The existence of high-energy astrophysical neutrinos has been unambiguously demonstrated, but their sources remain elusive. IceCube reported an association of a 290-TeV neutrino with a gamma-ray flare of TXS 0506+056, an active galactic nucleus with a compact radio jet pointing to us. Later, radio-bright blazars were shown to be associated with IceCube neutrino events with high statistical significance. These associations remained unconfirmed with the data of independent experiments. Here we report on the detection of a rare neutrino event with the estimated energy of 224+-75 TeV from the direction of TXS 0506+056 by the new Baikal Gigaton Volume Detector (Baikal-GVD) in April 2021. This event is the highest-energy cascade detected so far by the Baikal-GVD neutrino telescope from a direction below horizon. The result supports previous suggestions that radio blazars in general, and TXS 0506+056 in particular, are the sources of high-energy neutrinos, and opens up the cascade channel for the neutrino astronomy.
