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LHC Team Achieves Precise Measurement of Z Boson's Mass

6/9/2025

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Summary

Story summary

In a groundbreaking achievement, researchers at the Large Hadron Collider have precisely measured the Z boson's mass at 91,184.2 MeV. By analyzing data from 2016, the LHCb team examined 174,000 Z bosons decaying into muon pairs, paving the way for deeper insights into the Z boson and other fundamental particles.

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Story summary

In a groundbreaking achievement, researchers at the Large Hadron Collider have precisely measured the Z boson's mass at 91,184.2 MeV. By analyzing data from 2016, the LHCb team examined 174,000 Z bosons decaying into muon pairs, paving the way for deeper insights into the Z boson and other fundamental particles.