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 ...

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 ...

Structural integrity The new Super Proton Synchrotron internal beam dump being installed inside its shielding in October 2020. Credit: J Ordan/CERN-PHOTO-202010-134-24 Imagine standing in the LHC ...

Brand new ALICE 3 is built around a high-resolution tracker with a specialised vertex detector within the beam pipe, housed in a superconducting solenoidal magnet and complemented by several detectors ...

Subscribe CERN Courier is distributed to member-state governments, institutes and laboratories affiliated with CERN, and to their personnel. It is published six times a year. The views expressed are ...

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 ...

Disentanglement A Jackson Pollock- inspired artwork makes one want to discover whether the pattern is random, created by a computer, or contains evidence of something new. Credit: iStock/susaro The ...

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 ...

The BSM-2025 Conference, organized by the UK-based journal Progress in High Energy Physics (PHEP), in collaboration with Sabancı Üniversitesi, follows the successful precedents of BSM-2023 and ...

The SPS control room in 1977. Ted Wilson and Rae Stiening are at the desk, with its touch screens; Bent Stumpe and George Shering stand behind. “The proton synchrotron currently being built by CERN ...

Misfits Massive neutrinos are not part of the Standard Model. Credit: Symmetry After all these years, neutrinos remain extraordinary – and somewhat deceptive. The experimental success of the ...

The past seven decades have seen remarkable cultural and technological changes. And CERN has been no passive observer. From modelling European cooperation in the aftermath of World War II to ...