Author: CMS Collaboration

  • CMS physicist Joel Butler receives the Panofsky Prize

    CMS physicist Joel Butler receives the Panofsky Prize

    Joel Butler, former CMS Spokesperson (2016-18), has been awarded with the APS 2026 Panofsky Prize in Experimental Particle Physics.

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  • CMS at Higgs 2025

    CMS at Higgs 2025

    The CMS experiment announces new results for the Higgs 2025 conference.

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  • CMS observes rare top quark interaction with a W and a Z boson

    CMS observes rare top quark interaction with a W and a Z boson

    Using data collected from 2016 to 2023 and cutting-edge machine learning, CMS observes for the first time the creation of a top quark together with a W and a Z boson – a process so rare it occurs only once in a trillion proton-proton collisions!

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  • Using physics-based machine learning to hunt dark matter

    Using physics-based machine learning to hunt dark matter

    In the first search of its kind at a particle collider, the CMS experiment looks for partially visible sprays of particles (jets), containing leptons and dark matter using physics-informed machine learning.

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  • Clash of the titans: top quark meets lead ions

    Clash of the titans: top quark meets lead ions

    Five years after the first evidence that heavy metal hits the top quark, CMS now observes the clash of two titans with higher precision at unprecedented energy.

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  • Double the Higgs, double the mystery! The hunt for a new, heavy particle decaying to a pair of Higgs bosons

    Double the Higgs, double the mystery! The hunt for a new, heavy particle decaying to a pair of Higgs bosons

    CMS scientists are on the hunt for a new, heavy particle that decays into a pair of Higgs bosons.

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  • How CMS records all 40 million events per second

    How CMS records all 40 million events per second

    The CMS experiment is utilising a novel technique called L1 Scouting, which allows it to record data from all collisions, without any selection, but in a reduced format.

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  • Collective motion in tiny systems: oxygen and neon collisions as a window into nuclear structure

    Collective motion in tiny systems: oxygen and neon collisions as a window into nuclear structure

    CMS observes collective motion of particles in light-ion collisions, providing robust evidence of how initial nuclear geometry maps to final-state flow.

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  • LHC’s first oxygen-oxygen and neon-neon collisions – CMS spots an interesting pattern

    LHC’s first oxygen-oxygen and neon-neon collisions – CMS spots an interesting pattern

    The CMS experiment has analyzed the first-ever neon-neon collisions, looking for signs of quark-gluon plasma.

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  • LHC’s first oxygen collisions – CMS spots signs of small-scale quark-gluon plasma

    LHC’s first oxygen collisions – CMS spots signs of small-scale quark-gluon plasma

    CMS scientists study the first-ever oxygen-oxygen collisions at the LHC, and observe signs of quarks and gluons losing energy when they travel through quark-gluon plasma – a state that existed just after the Big Bang.

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