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A decadelong experiment produced the most accurate measurement yet of the mass of W bosons. These particles are responsible for the weak force, and the result is more evidence for undiscovered physics.
A decade of science and trillions of collisions show the W boson is more massive than expected. A physicist on the team explains what it means for the reigning model of particle physics.
The Collider Detector at Fermilab (CDF) collaboration, which involves 400 scientists from around the world, have measured the mass of the W boson, one of nature’s force-carrying particles.The measurement does not match the value expected based on the
The W boson, one of nature’s force-carrying particles, has been detected by the Collider Detector at Fermilab (CDF) team, which includes 400 scientists from across the world.
PARIS, April 8 — After a decade of meticulous measurements, scientists announced Thursday that a fundamental particle — the W boson — has a significantly greater mass than theorised, shaking the foundations of our understanding of how the universe works. Those foundations are grounded by the...