Pulsar kicks from neutrino oscillations

Pulsar kicks from neutrino oscillations
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DOI:
10.1103/physrevd.59.061302
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发表时间:
1998-11
期刊:
影响因子:
5
通讯作者:
A. Kusenko
A. Kusenko
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
A. Kusenko

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核心坍缩超新星中的中微子振荡可能是观测到的超新星快速运动的原因。根据目前中微子质量的限制,脉冲星反冲需要一个质量为2-20 keV的无菌中微子和一个与活性中微子的少量混合。同样的粒子也可以是宇宙学上的暗物质。如果X射线望远镜能从残余无菌中微子的衰变中探测到1-10 keV的光子线,就可以证实它的存在。此外,在附近的超新星事件中,人们可能能够检测到脉冲星被中微子加速的重力波。
Neutrino oscillations in a core-collapse supernova may be responsible for the observed rapid motions of pulsars. Given the present bounds on the neutrino masses, the pulsar kicks require a sterile neutrino with mass 2-20 keV and a small mixing with active neutrinos. The same particle can be the cosmological dark matter. Its existence can be confirmed the by the X-ray telescopes if they detect a 1-10 keV photon line from the decays of the relic sterile neutrinos. In addition, one may be able to detect gravity waves from a pulsar being accelerated by neutrinos in the event of a nearby supernova.