The charge-to-mass ratios of protons and antiprotons are identical within an uncertainty of 16 parts per trillion, placing strong constraints on possible violations of CPT symmetry.
The successful restart of Linac4 on 9 February marked the start of the final countdown to LHC Run 3.
Luciano Girardello made important contributions to quantum field theory, supersymmetry and supergravity.
The Fermilab distinguished scientist will take over from Luca Malgeri in the autumn, becoming the first woman to lead the 3000-strong collaboration.
David Saxon of the University of Glasgow was a major force in UK particle physics.
Theoretical physicist Costas Kounnas was a world leader in supersymmetry and supergravity.
Astroparticle physicist Ronald Shellard participated tirelessly in initiatives to promote Brazilian physics.
The collaboration's latest test of lepton-flavour universality with beauty baryons brings a further tool to understand the flavour anomalies.
Two roadmaps completed at the end of last year set out the detector and accelerator technologies required to achieve the ambitious goals of the 2020 update of the European strategy for particle physic...
Bernhard Spaan helped shape the field of experimental heavy-flavour physics.