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Dark-matter search from the space station continues to tease

Ting says he has used some 8 million particle events to map the excess across an energy spectrum from 0.5 gigaelectronvolts to 350 gigaelectronvolts, and that he plans to report it in a paper to be sent to a high energy physics journal in a couple of weeks. He does not yet have sufficient data to report the entire energy range that AMS is sensitive to, up to 1 tera-electron volt, in a statistically meaningful way. Ting had reporters hanging on his every word as he appeared at one point to hint that spectrum might drop off at some energy in a way that could be consistent with a theory of dark matter. But then he added in response to direct questions that he might also have no signal. 

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