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中微子探测器

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维基百科,自由的百科全书

微中子探测器是观测微中子的实验设备。 由于微中子只参与弱交互作用,一般探测器需要建造得够大,以接收到足够数量的微中子讯号。 微中子探测器一般会选择建造在地底深处,以屏蔽宇宙射线以及其它背景辐射。[1]微中子天文学目前仍未成熟,现今已确认来自地球以外的讯号来源只有太阳和超新星SN 1987A。然而未来微中子观测站将“为天文学家提供透析宇宙的展新视野”。[2]

微中子的探测方法有许多种。

微中子观测站

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参见

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参考资料

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  1. ^ KENNETH CHANG. Tiny, Plentiful and Really Hard to Catch. The New York Times. April 26, 2005 [2011-06-16]. In 1987, astronomers counted 19 neutrinos from an explosion of a star in the nearby Large Magellanic Cloud, 19 out of the billion trillion trillion trillion trillion neutrinos that flew from the supernova. 
  2. ^ Ian Sample. The hunt for neutrinos in the Antarctic. The Guardian. 23 January 2011 [2011-06-16]. (原始内容存档于2011-01-27). The $272m (£170m) IceCube instrument is not your typical telescope. Instead of collecting light from the stars, planets or other celestial objects, IceCube looks for ghostly particles called neutrinos that hurtle across space with high-energy cosmic rays. If all goes to plan, the observatory will reveal where these mysterious rays come from, and how they get to be so energetic. But that is just the start. Neutrino observatories such as IceCube will ultimately give astronomers fresh eyes with which to study the universe.