weak force


Also found in: Thesaurus, Encyclopedia, Wikipedia.
Related to weak force: strong force

weak force

n.
The force that arises from the weak interaction of quarks and leptons.

weak′ force′


n.
a force between elementary particles that causes certain processes that take place with low probability, as radioactive beta-decay and collisions between neutrinos and other particles.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.weak force - (physics) an interaction between elementary particles involving neutrinos or antineutrinos that is responsible for certain kinds of radioactive decay; mediated by intermediate vector bosons
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
fundamental interaction, interaction - (physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons
References in periodicals archive ?
4] The main uncertainty in the result is the timespan for the collision: the friction that slowed the dark matter could have been a very weak force acting over about a billion years, or a relatively stronger force acting for "only" 100 million years.
Thus the weak force, like the strong force, is an electron/PV force.
Another weak force is advection, which occurs as the undertow is sucked into the larger current created by the waves.
The Ugandan President who is fond of the military also said the Al-Shabb is a weak force.
It also validates the standard model of particle physics, such as explaining why some subatomic particles have mass, and would help explain some characteristics of the weak force.
Research objectives and contents The project is to measure the mass of the W boson, the charged mediator of the weak force, and to study its couplings.
With winter approaching and supplies diminishing, McClure had but a weak force of about 100 men comprised of regular infantry, New York state militia and Canadian Volunteers soldiers under his command.
Not that Elizabeth in this production was a weak force.
The only other time this union existed, scientists believe, was seconds after the Big Bang birth of the universe, at the instant just before the electromagnetic and weak force split up and went their separate ways, to become the two distinct fundamental forces physicists know of today.
He reveals why a relatively weak force dictates the Earth's orbit around the sun - as well as the solar system's movement through the galaxy.
00pm) Professor Brian Cox explores how gravity influences events across the universe, discovering why such a relatively weak force dictates the solar system''s movement through the galaxy.
A new theory uniting the weak force with electromagnetism had called for the existence of new particles that mediate the unified "electroweak" force.