antihelium

American  

[an-tee-hee-lee-uhm, an-tahy-] / ˌæn tiˈhi li əm, ˌæn taɪ- /

noun

Physics.

1. the antimatter counterpart to helium.

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antihelium Scientific  

/ ăn′tē-hē′lē-əm,ăn′tī- /

1. The antimatter that corresponds to helium.

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Example Sentences

Any way you slice it, known natural processes would struggle to produce enough antihelium for any of it to end up in our space-based detectors.

From Scientific American

“It’s a very challenging analysis because, for every one antihelium event, there are 100 million regular helium events,” says Ilias Cholis, an astrophysicist at Oakland University, who also worked on Poulin’s study.

From Scientific American

Samuel Ting, a Nobel laureate physicist at the Massachusetts Institute of Technology, heads the AMS team and first publicly presented the two latest possible antihelium detections—the antihelium-4 candidates—in 2018.

From Scientific American

But the easiest of all those hard methods would be to cook up the antihelium inside antistars—which, of course, do not seem to exist.

From Scientific American

The mystery lies in those pesky possible detections of antihelium made by the AMS, which remain unexplained.

From Scientific American