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LHC experiments see first evidence of a rare Higgs boson decay

The ATLAS and CMS collaborations have joined forces to establish the first evidence of the rare decay of the Higgs boson into a Z boson and a photon

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Physics
26 May, 2023

ISOLDE takes a solid tick forward towards a nuclear clock

The observation at CERN’s nuclear physics facility of a long-sought decay of the thorium-229 nucleus in a solid-state system is a key step towards a clock that could outclass today’s most precise atomic clocks

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Physics
24 May, 2023

Where does the Higgs boson come from?

The observed mass of the Higgs boson is, from the theoretical point of view, unnaturally small. This conundrum is forcing physicists to explore exotic explanations.

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Physics
30 March, 2023
Physics
News
30 March, 2023

New LHC experiments enter uncharted territory

The first observation of collider neutrinos at the LHC paves the way for exploring new physics scenarios

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Physics
22 March, 2023

Celebrating the International Day of Women and Girls in Science

On 11 February 2023, we acknowledge the valuable contributions of women and girls to science, technology, engineering and mathematics

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At CERN
10 February, 2023

W boson turns 40

Forty years ago today, physicists at CERN announced to the world that they had discovered the electrically charged carrier of the weak force, one of nature’s four fundamental forces

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Physics
25 January, 2023
Physics
News
25 January, 2023

ATLAS delivers most precise luminosity measurement at the LHC

Precise knowledge of luminosity is crucial for both searches for new phenomena and precision measurements of known Standard Model processes

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Physics
24 January, 2023

Relive 2022 at CERN

Highlights of the year at CERN, from the record-breaking start of LHC Run 3 to great particle physics results and much more

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Knowledge sharing
21 December, 2022
Knowledge sharing
News
21 December, 2022

LHCb brings leptons into line

Simultaneous measurements of rare B-meson decays using the full LHC Run 1 and 2 data samples agree with the predictions of the Standard Model, superseding previous results that had indicated intriguing departures from the 50-year old theory

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Physics
20 December, 2022
Physics
News
20 December, 2022

CMS completes the release of its entire Run 1 proton-proton data

CMS has now released the complete set of proton-proton data taken from LHC Run 1, including the original findings used in the Higgs boson discovery

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Knowledge sharing
14 December, 2022
Knowledge sharing
News
14 December, 2022