Apr 7, 2022

This Tiny Particle Could Upend What We THINK We Know About the Universe

Posted by in category: particle physics

The W boson, one of the tiniest, most elementary particles in the known universe is causing a big ruckus in the field of particle physics.

New findings about the particle, which is fundamental to the formation of the universe, suggest its mass may be far heavier than predicted by the Standard Model of particle physics —the theoretical “rulebook” that helps us make sense of the building blocks of matter. If true, it could signal a monumental shift in our understanding of the universe.

According to the Standard Model, W bosons (together with another particle, called Z bosons) are responsible for the weak nuclear force, one of the four forces that hold together all observable matter in the universe. The other forces include gravitational force (for which there is currently no explanation in the Standard Model), electromagnetic force, and the strong nuclear force.

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