Read article 'First oxygen and neon collisions at the LHC'
First oxygen and neon collisions at the LHC
Between 29 June and 9 July 2025, LHC physicists pushed the study of the quark–gluon plasma into new territory.
Read article 'First oxygen and neon collisions at the LHC'
Read article 'ALICE observes ρ–proton attraction'
ALICE observes ρ–proton attraction
The ALICE collaboration achieved the first direct measurement of the ρ⁰–proton interaction in high-multiplicity pp collisions.
Read article 'Memories of quarkonia'
Memories of quarkonia
As the story of quarkonia draws to a close, John Ellis shares personal recollections of five decades of discoveries and debates about the simplest composite objects in QCD.
Read article 'ATLAS confirms top–antitop excess'
ATLAS confirms top–antitop excess
The ATLAS collaboration has confirmed the threshold excess in top–antitop production first reported by CMS, consistent with the formation of toponium.
Read article 'Charming energy–energy correlators'
Charming energy–energy correlators
The ALICE collaboration has measured energy–energy correlators of charm-quark jets for the first time, observing the expected suppression at small angles.
Read article 'Ultra-peripheral physics in the ultraperiphery'
Ultra-peripheral physics in the ultraperiphery
In June 2025, physicists met at Saariselkä, Finland, to discuss recent progress in the field of ultra-peripheral collisions.
Read article 'A new probe of radial flow'
A new probe of radial flow
The ATLAS and ALICE collaborations have announced the first results of a new way to measure the “radial flow” of quark–gluon plasma.
Read article 'STAR hunts QCD critical point'
STAR hunts QCD critical point
The STAR collaboration at BNL has narrowed the search for a long-sought-after “critical point” in the still largely conjectural phase diagram of QCD.
Read article 'Hadrons in Porto Alegre'
Hadrons in Porto Alegre
The 16th International Workshop on Hadron Physics welcomed 135 physicists to the Federal University of Rio Grande do Sul in Porto Alegre, Brazil.
Read article 'Clean di-pions reveal vector mesons'
Clean di-pions reveal vector mesons
LHCb has isolated a precisely measured, high-statistics sample of di-pions.
