Probing low energy neutrino backgrounds with neutrino capture on beta decaying nuclei
Probing low energy neutrino backgrounds with neutrino capture on beta decaying nuclei
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DOI：
10.1088/1475-7516/2007/06/015
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发表时间：
2007-03
影响因子：
6.4
通讯作者：
A. Cocco;G. Mangano;M. Messina
中科院分区：
文献类型：
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作者：
A. Cocco;G. Mangano;M. Messina
我们研究了低能中微子与自发经历β衰变的核的相互作用，结果表明，对于某些通过允许跃迁衰变的特定核，中微子的截面与中微子速度的乘积高达10−42cm2c。没有能量阈值和横截面值的这些过程为未来的实验提供了一种前景光明但要求非常高的方法，目的是直接探测低能中微子背景，如宇宙遗迹中微子。
We study the interaction of low energy neutrinos on nuclei that spontaneously undergo beta decay showing that the product of the cross section and the neutrino velocity takes values as high as 10−42 cm2 c for some specific nuclei that decay via allowed transitions. The absence of an energy threshold and the value of the cross section single out these processes as providing a promising though very demanding approach for future experiments aimed at a direct detection of low energy neutrino backgrounds such as the cosmological relic neutrinos.