Lepton

Top-quark pair production has been observed in lead-lead collisions at CERN's Large Hadron Collider (LHC) with the ATLAS detector, marking the first observation of this process in interactions between atomic nuclei.

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One of the great mysteries in all the Universe is the question of what, exactly, makes it all up? The science of experimental particle physics revealed an incredible part of that story, discovering…

Physicists from the ATLAS Collaboration at CERN's Large Hadron Collider (LHC) have released the most sensitive search for di-Higgs production and self-coupling yet.

Ask Ethan: How did matter come to exist in our Universe?. You can only create or destroy matter by creating or destroying equal amounts of antimatter. So how did we become a matter-rich Universe?.

Physicists from the LHCb Collaboration at CERN's Large Hadron Collider (LHC) have reported the first observation of the decay of the Bc+ meson into a J/ψ charm-anticharm quark bound state and a pair of pions, π+π0.

Aurélien Barrau reviews the recent disappointing results from the Large Hadron Collider. Without any sign of new physics, without any confirmation of popular theories such as supersymmetry, the field needs to be fundamentally reconsidered.

If you've found yourself befuddled by extraordinary scientific-sounding claims, you're not alone. But this centuries-old lesson can help.

Collider experiments have set new direct limits on the existence of hypothetical heavy neutrinos, helping to constrain how ordinary neutrinos get their mass.

If you're a massless particle, you must always move at light speed. If you have mass, you must go slower. So why aren't any neutrinos slow?

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The Large Hadron Collider is once again delivering proton collisions to experiments, this time at an unprecedented energy of 13.6 TeV, marking the start of the accelerator's third run of data taking for physics. A burst of applause erupted in the CERN Control Center on July 5, 2022, at 4.47 p.m. CE

A new period of data taking begins on Tuesday, 5 July for the experiments at the world's most powerful particle accelerator, the Large Hadron Collider (LHC), after more than three years of upgrade and maintenance work. Beams have already been circulating in CERN's accelerator complex since April, with the LHC machine and its injectors being recommissioned to operate with new higher-intensity beams and increased…

Miranda Devine discusses being vindicated by a New York Times report on Hunter Biden's lapton on 'Tucker Carlson Tonight.'

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The one reason that physicists won't give up on supersymmetry. Almost 100 years ago, an asymmetric pathology led Dirac to postulate the positron. A similar pathology could lead us to supersymmetry..

Quantum electrodynamics (QED) atoms are composed of unstructured and point-like lepton pairs bound together by the electromagnetic force.

Last week, at the annual Rencontres de Moriond conference, the CMS collaboration presented a measurement of the effective leptonic electroweak mixing angle. The result is the most precise measurement performed at a hadron collider to date and is in good agreement with the prediction from the Standard Model.

According to physicists from the CMS Collaboration at CERN's Large Hadron Collider (LHC), it is the first time that this process has been seen in proton-proton collisions.