W boson particle mass discovery

This is a news story, published by Space, that relates primarily to Fermilab news.

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Bosons decay

Space

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The W boson caused a particle mystery — but scientists have cracked the case

Summary

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73% Informative

The mass of the W boson particle has been found by the Large Hadron Collider to be exactly what the Standard Model of particle physics predicts it to be.

This contradicts earlier results from Fermilab that hinted at a different mass and, therefore, the potential for new physics.

The discovery further cements the Standard model as our best depiction of the particle world.

Mass mass of the W boson is 80 times the mass of a proton.

Mass mass is consistent with theory of supersymmetry, a type of particle called a WIMP .

Mass measurement is more precise than previously thought to be possible.

Masses could be used to better understand electroweak theory or to judge strength of the Higgs field.

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