The CMS experiment at CERN is the latest to weigh in on the mass of the W boson—an elementary particle that, along with the Z ...

Understanding its mass is crucial for mapping the interplay of particles and forces, including the strength of the Higgs ...

Physicists on the CMS experiment announce the most elaborate mass measurement of a particle that has captivated the physics ...

Compact Muon Solenoid Experiment at Large Hadron Collider, CERNW boson candidate event with a reconstructed muon (red line) ...

A long-awaited calculation of the W boson’s mass agrees with theory, contradicting a previous anomaly that had raised the ...

Matthew McCullough argues that beyond-the-Standard Model physics may be most strongly expressed in the Higgs self-coupling.

Geared for discovery more so than delicacy, the LHC is defying expectations by rivalling lepton colliders for precision.

A central aim of the ATLAS Higgs physics program is to measure, with increasing precision, the strength of interactions of ...

Swiss astronomer Fritz Zwicky observed that the velocities of galaxies in the Coma Cluster were too high to be maintained ...

CERN’s calculation of the W boson’s mass agrees with theory, contradicting a previous anomaly that had raised the possibility ...

Scientists at CERN have measured quantum entanglement in quarks at record energy levels.