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ALICE finds first ever evidence of the antimatter partner of hyperhelium-4
ALICE finds first ever evidence of the antimatter partner of hyperhelium-4Illustration of the production of antihyperhelium-4 (a bound state of two antiprotons, an antineutron and an antilambda) in...
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A tale of two Higgs: CMS searches for the production of Higgs boson pairs
A tale of two Higgs: CMS searches for the production of Higgs boson pairsEvent display of a candidate event for Higgs boson pair production. (Image: CERN)Since the CMS and ATLAS experiments announced...
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CERN70: Preparing for the future
CERN70: Preparing for the future12 December 2024 · Voir en françaisPart 23, the final part of the CERN70 feature series. Find out more: cern70.cernGian Giudice is Head of CERN’s Theoretical Physics...
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LHCb sheds light on two pieces of the matter–antimatter puzzle
LHCb sheds light on two pieces of the matter–antimatter puzzleThe LHCb detector seen in 2018 during its opening (Image: CERN)In the Big Bang, matter and antimatter should have been created in equal...
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The measurement of a lifetime
The measurement of a lifetimeDisplay of a candidate neutral beauty meson decaying into an excited neutral kaon and a J/ψ meson. The J/ψ meson decays into a pair of muons (red lines) and the excited...
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Clocking nature’s heaviest elementary particle
Clocking nature’s heaviest elementary particleThe CMS detector (Image: CERN)In the first study of its kind at the Large Hadron Collider (LHC), the CMS collaboration has tested whether top quarks adhere...
View ArticleThe other 99%
The other 99%Atoms are made up of protons and neutrons orbited by electrons, which are thousands of times lighter. But that’s not the whole story. Protons and neutrons are themselves composed of trios...
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European Strategy for Particle Physics: Open Symposium in Venice
European Strategy for Particle Physics: Open Symposium in Venice Registration is now open for the Open Symposium on the 2026 update of the European Strategy for Particle Physics.The Symposium is a...
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Observing triplets of weak bosons
Observing triplets of weak bosonsA three-vector-boson event recorded by ATLAS, with one W boson decaying to an electron and a neutrino, one W boson decaying to a muon and a neutrino, and a Z boson...
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A bestiary of exotic hadrons
A bestiary of exotic hadronsA simplified visualisation of the 23 exotic hadrons discovered so far at the LHC. Each particle contains at least one charm quark and a mixture of up, down and strange...
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