CERN Courier is essential reading for the international high-energy physics community. Highlighting the latest research and project developments from around the world, CERN Courier offers a unique ...

In which direction do quarks point? The HERMES experiment using DESY's HERA electron ring and an ingenious system to control the spin of the electron beam is poised to reveal new insights into the ...

1800 physicists from 33 countries are participating in the ATLAS experiment, the largest detector being built for CERN's LHC collider. CERN Courier asked ATLAS Spokesperson Peter Jenni how the collab ...

In lead collisions at the LHC, some of the strongest electromagnetic fields in the universe bombard the inside of the beam pipe with radioactive gold. By following the collision fragments, John Jowett ...

Subatomic physics has shaped both the conduct of war and the treatment of cancer. Joseph Rotblat, who left the Manhattan Project on moral grounds and later advanced radiotherapy, embodies this dual ...

The briefing book of the 2026 update of the European Strategy for Particle Physics was published in October. Paris Sphicas highlights key takeaways from each of its 10 themes in fundamental science ...

When targeting tumours, protons and heavy ions offer distinct advantages compared to conventional X-ray radiotherapy. PTCOG president Marco Durante describes an exciting future for the technology and ...

The ALICE collaboration recently obtained the first direct measurement of the attraction between a proton and a ρ 0 meson – a particle of particular interest due to its fleeting lifetime and close ...

Einstein’s Entanglement: Bell Inequalities, Relativity, and the Qubit, by William Stuckey, Michael Silberstein and Timothy McDevitt, Oxford University Press Quantum entanglement is the quantum ...

Uncharted territory An oxygen–oxygen collision in the CMS detector (left) and a neon–neon collision in the ATLAS detector (right). Credits: CMS; ATLAS “Early analyses have already helped characterise ...

Ultraviolet emission, infrared detection The near-infrared camera of the James Webb Space Telescope. Credit: Lockheed Martin Since the Big Bang, primordial density perturbations have continually ...

Angelica Facoetti explains five facts accelerator physicists need to know about radiobiology to work at the cutting edge of particle therapy. In 1895, mere months after Wilhelm Röntgen discovered ...