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Dedicated supernova detection by a network of neutral current spherical TPC detectors

机译:通过中性电流球形TPC探测器网络进行的超新星探测

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摘要

Supernova neutrinos can easily be detected by a spherical gaseous TPC detector measuring very low energy nuclear recoils. The expected rates are quite large for a neutron-rich target since the neutrino-nucleus neutral current interaction yields a coherent contribution of all neutrons. As a matter of fact, for a typical supernova at 10 kpc, about 1000 events are expected using a spherical detector of radius 4 m with Xe gas at a pressure of 10 atm. A worldwide network of several such simple, stable, and low-cost supernova detectors with a running time of a few centuries is quite feasible.
机译:球形气态TPC检测器可以很容易地检测出超新星中微子,该检测器测量的是低能核后坐力。对于中子富集的目标来说,预期的速率非常大,因为中微子-核中性电流相互作用会产生所有中子的连贯贡献。实际上,对于10 kpc的典型超新星来说,使用半径为4 m的球形探测器和氙气在10 atm的压力下,预计会发生约1000个事件。由几个这样的简单,稳定且低成本的超新星探测器组成的全球网络,运行时间长达几个世纪,是十分可行的。

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