January 2026 - March 2026

Doubly charmed baryon doublet completed with upgraded LHCb

The image on the left presents an artist’s impression of this exotic particle, while the diagram on the right shows a kind of “family tree” of the proton, illustrating how heavier relatives emerge when its quarks are replaced by strange (s), charm…

ATLAS scales up AI for jet physics and reveals flavour-tagging scaling laws

High Energy Physics (HEP) and Machine Learning (ML/AI) are uniquely aligned: The data recorded by particle physics experiments are so rich, heterogeneous and complicated that scientists crucially depend on advanced pattern recognition in order to…

Opportunities in CERN’s Experimental Physics (EP) Department

New opportunities are currently open in the EP Department. You are invited to consult the latest vacancies: HERE.

PUMA - Antiprotons as a precision probe for the tail of nuclear density

Understanding the nuclear structure of atomic nuclei away from the valley of stability remains one of the central challenges of nuclear physics and astrophysics. In particular, the dilute outer regions of neutron-rich nuclei can exhibit phenomena…

A word from the EP Department Head - Spring 2026

Dear Colleagues, It is my pleasure to share the first 2026 edition of the EP newsletter with you, in my new role as EP Department Head. CERN’s new management took office in January, with a revised structure of Sectors and Departments. In EP…

Neutrino Oscillations and Beyond: A Conversation with Takaaki Kajita

2015 physics laureate Takaaki Kajita is affiliated with Super-Kamiokande (pictured right) and received the Nobel Prize for his neutrino oscillations research which proves that neutrinos have mass. Few discoveries in modern particle physics have…

Chris Quigg: Grace in All Simplicity and the Unfinished Business of the Standard Model

Panos Charitos: More than half a century has passed since the “November Revolution” — the 1974 discovery of the J/ψ that reshaped particle physics. In your recent keynote, you revisited that moment. Why is it so vital to remember 1974 today? Chris…

Riccardo Barbieri: On naturalness, supersymmetry and the unfinished story of the Standard Model

Riccardo Barbieri has spent more than five decades at the forefront of theoretical particle physics, contributing to key developments in quantum field theory, electroweak precision physics and the exploration of physics beyond the Standard Model. A…

From top quarks to Higgs bosons: LHCb’s expanding jet programme

Over the past decade, LHCb has steadily evolved from a detector primarily associated with heavy-flavour physics into a broader forward spectrometer able to address an increasingly diverse set of questions in Standard Model and beyond-the-Standard-…

Moving antimatter beyond the lab

For decades, antimatter experiments have been bound to a single place: the laboratory in which the particles are produced and trapped. At CERN’s Antimatter Factory, antiprotons are routinely produced, decelerated and confined in Penning traps,…

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