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WIMP

WIMP

4 9.9
A particle with large mass that hardly interacts with normal matter and may be part of dark matter
  • noun
  • /wɪmp/
  • Specialized
translation icon : WIMP
  • Earth, too, could be pooling WIMPs in its core.
  • WIMPs particles
  • WIMPs interacting
  • WIMP search

Machos and Wimps are candidates for the dark matter, and those stand for weakly interacting massive particles.

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Examples

  • Several underground experiments, designed originally to learn whether protons decay, are already on the lookout for this WIMP-related signal.

    Academic text (1993)
  • And there are other ways that dark-matter particles, particularly the WIMPs, might give themselves away.

    Academic text (1993)
  • There could be other explanations of WIMP dark matter, of course.

    Blog text (21)
  • A single two-pound crystal might experience anywhere from one to one thousand WIMP interactions each day, depending on the nature of the WIMP.

    Academic text (1993)
  • I think the chance of having supersymmetry without WIMP-based dark matter is close to zero.

    Blog text (21)
  • I don't think WIMPs will make up all of the dark matter, though.

    Blog text (21)
  • The three-pronged WIMP search is deemed to be essential for discovery and elucidation.

    Academic text (2012)
  • WIMPs are presumed to be their own antiparticles and therefore capable of mutual annihilation.

    Academic text (2012)
  • WIMPs: These particles pop up in equations when theorists try to unify nature's various forces.

    Academic text (1993)
  • Scientists believe that a WIMP could account for much of the universe's missing mass.

Synonyms

9.9

A heavy particle that hardly interacts with normal matter and may make up dark matter in space

is the short abbreviated form used instead of the full technical name

Surface Forms

WIMP singular
WIMPs plural

Etymology

The word WIMP comes from the first letters of the words weakly, interacting, massive, particle. A helpful image is a shy, 'heavy' particle that hardly touches ordinary matter, which explains why WIMPs are hard to detect and are thought to make up dark matter.