Paul M. Sutter is a research professor in astrophysics at SUNY Stony Brook University and the Flatiron Institute in New York City. He regularly appears on TV and podcasts, including 'Ask a Spaceman.' He is the author of two books, 'Your Place in the Universe' and 'How to Die in Space,' and is a regular contributor to Space.
Invisible dark matter makes up most of the mass in the universe, far outweighing the amount of matter we can see.
The identity of dark matter remains a mystery, as experiments designed to detect a stray, rare collision have failed to turn up anything. But these experiments have focused on targeting a specific mass range: roughly 10 to 1,000 giga-electron volts . That's in the range of the heaviest known particles, like the W boson and the top quark.
The problem is that all interactions in physics are two-way streets. The Higgs talks to both dark matter and regular matter and, in many models, mediates interactions between them. But both kinds of matter also talk back to the Higgs. These interactions appear as slight modifications to the Higgs boson's mass.
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