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invariant mass

American  
[in-vair-ee-uhnt mas] / ɪnˈvɛər i ənt ˈmæs /

noun

  1. Physics. rest mass.

invariant mass Scientific  
/ ĭn-vâr′ē-ənt /

  1. See rest mass

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The branching fractions are then obtained by a fit to the dimuon invariant mass, , of all categories simultaneously.

From Nature • May 12, 2015

If the Higgs had “exotic” spin-parity rather than the standard model characteristics, the observed invariant mass would be higher.

From Science Magazine • Apr. 7, 2015

From the energies and momenta of the Higgs and its partner, researchers then calculated a quantity called the invariant mass for the pair.

From Science Magazine • Apr. 7, 2015

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.