First Result from the Alpha Magnetic Spectrometer on the International Space Station by AMS Collaboration (source code)

= First Result from the Alpha Magnetic Spectrometer on the International Space Station by AMS Collaboration
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https://ams02.space/publications/201301

Phys.Rev.Lett.110,141102(2013): the original positron-fraction measurement. Experimental account: https://ams02.space/news/press-release/first-results-alpha-magnetic-spectrometer-ams-experiment