W boson

The W boson carries the weak force. It changes the character of particles of matter—allowing the Sun to burn and new elements to form.

20 results

Symposium: Celebrating electroweak milestones | 31 October

CERN Science Gateway will host its first scientific event to celebrate 50 years since Gargamelle discovered neutral currents and 40 years since UA1 and UA2 discovered the W and Z bosons

Announcement
Physics
10 October, 2023
Physics
Announcement
10 October, 2023

Celebrating electroweak milestones at the Science Gateway – save the date!

On 31 October 2023, we mark the 50th anniversary of the observation of neutral currents and the 40th anniversary of the discovery of the W and the Z bosons with a symposium in the new Science Gateway auditorium

Announcement
At CERN
06 July, 2023
At CERN
Announcement
06 July, 2023

Improved ATLAS result weighs in on W boson

An improved ATLAS measurement of the W boson mass is in line with the Standard Model of particle physics

Press release
Physics
23 March, 2023
Physics
Press release
23 March, 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

News
Physics
25 January, 2023
Physics
News
25 January, 2023

ATLAS measures joint polarisation of carriers of the weak force

Joint-polarisation measurements of the W and Z bosons provide new opportunities to look for physics beyond the Standard Model

News
Physics
14 July, 2022

Higgs10: Three-quarters of the way there

The direct discovery of the W and Z bosons at the SppS in 1983 provided solid experimental support for the existence of the Higgs boson

Feature
Physics
25 May, 2022
Physics
Feature
25 May, 2022

ATLAS reports first observation of WWW production

The ATLAS collaboration announces the first observation of WWW production: the simultaneous creation of three massive W bosons in high-energy LHC collisions

News
Physics
26 July, 2021

Rare phenomenon observed by ATLAS features the LHC as a high-energy photon collider

The ATLAS experiment reports the observation of photon collisions producing weak-force carriers and provides further insights into their interactions

News
Physics
05 August, 2020

Higgs results take centre stage at annual Moriond conference

ATLAS and CMS present new measurements of the properties of the Higgs boson

News
Physics
19 March, 2018

First high-precision LHC measurement of W boson mass

In a paper published today in the European Physical Journal C, the ATLAS Collaboration reports the first high-precision measurement of W boson mass

News
Experiments
12 February, 2018
Experiments
News
12 February, 2018

How strange is the proton?

ATLAS measurements show proton has more strange quarks than previously thought

News
Experiments
16 February, 2017
Experiments
News
16 February, 2017