The grand explanation physicists use to describe how the universe works may have some major new flaws to patch, after a fundamental particle was found to have more mass than scientists thought.
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The physicists at the U.S. government’s Fermi National Accelerator Lab crashed particles together over ten years and measured the mass of 4 million W bosons.
These subatomic particles are responsible for a fundamental force, and they exist for only a fraction of a second before they decay into other particles.
The difference in mass from what the prevailing theory of the universe predicts is too big to be a rounding error or anything that could be easily explained away, according to the study.
If confirmed by other experiments, it would present one of the biggest problems yet with the standard model of particle physics.
W Bosons
In particle physics, the W and Z bosons are vector bosons that are together known as the weak bosons or more generally as the intermediate vector bosons.
These elementary particles mediate the weak interaction.
The standard model says a W boson should measure 8,03,57,000 electron volts, plus or minus six. The recent study found it slightly more than that.
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