What’s in a name? Reflecting their mystery, the first exotic states were named X, Y and Z. Later on, the proliferation of exotic states required an extension of the particle naming scheme. Manifestly ...

Link to the future Tests at CERN of a full-scale 120 kA MgB 2 -based superconducting link “Demo 3”, colloquially known as the “python”, for the High-Luminosity LHC. Credit: CERN The era of ...

Gargantua A variant of the black-hole accretion disk seen in the film Interstellar. Credit: DNEG/Warner Bros. Entertainment Inc./CQG 32 065001 Oliver James is chief scientist of the world’s biggest ...

In the May 1966 issue of CERN Courier, A J Herz (Nuclear Physics Division) and W O Lock (Personnel Division) described the development of nuclear-emulsion detectors, highlighting a CERN experiment ...

Testing CP symmetry The three neutrino mass eigenstates mix to make electron, muon and tau neutrinos according to the Pontecorvo– Maki–Nakagawa–Sakata (PMNS) matrix, which describes three rotations ...

LHC physics Effective field theory enables a deeper understanding of complex physics processes at the LHC, such as the above production of Higgs bosons in ATLAS. Credit: ATLAS-CONF-2022-032 ...

How did winning a Special Breakthrough Prize last year compare with the Nobel Prize? Deep mind Steven Weinberg is director of the theory research group, University of Texas at Austin. Credit: M ...

Twenty-five years ago experiments at DESY provided the first evidence for a very special kind of particle collision: an electron- positron annihilation process with three “coplanar jets”, i.e. three ...

Strange pentaquark Molecular (top) and compact (bottom) interpretations of the P ccs (4338) pentaquark discovered by the LHCb collaboration in 2022. Credit: D Dominguez Breakthroughs are like London ...

Clocking gravity Artist’s interpretation of an array of pulsars (spinning neutron stars that emit radio waves) being affected by a gravitational wave produced by a supermassive black-hole binary in a ...

In the summer of 1968, while a visitor in CERN’s theory division, Gabriele Veneziano wrote a paper titled “Construction of a crossing-symmetric, Regge behaved amplitude for linearly-rising ...

Ten years have passed since the first high-energy proton–proton collisions took place at the Large Hadron Collider (LHC). Almost 20 more are foreseen for the completion of the full LHC programme. The ...