quark

A quark is an elementary particle. According to the standard model, there are six flavors and quarks are observed to occur only in combinations of two (mesons) or three (baryons).

30 results

Exotic atomic nucleus sheds light on the world of quarks

CERN and the Accelerator Laboratory in Jyväskylä, Finland, have teamed up to weigh in on the understanding of the effects of the weak force on quarks

News
Physics
28 November, 2023

LHCb discovers three new exotic particles

The collaboration has observed a new kind of “pentaquark” and the first-ever pair of “tetraquarks”

News
Physics
05 July, 2022

ATLAS seeks out unusual signatures of long-lived particles

Physicists at the ATLAS experiment are on the hunt for new, long-lived particles to help explain several outstanding mysteries of our Universe

News
Physics
22 March, 2022

LHCb

Experiments
Experiments

COMPASS

Experiments
Experiments

CMS sets new bounds on the mass of leptoquarks

The bounds are some of the tightest yet on the existence of third-generation leptoquarks

News
Physics
18 December, 2020

LHCb discovers first “open-charm” tetraquark

The particle, which has been called X(2900), was detected by analysing all the data LHCb has recorded so far from collisions at CERN’s Large Hadron Collider

News
Physics
21 August, 2020

LHCb discovers a new type of tetraquark at CERN

The LHCb collaboration has observed an exotic particle made up of four charm quarks for the first time

News
Physics
01 July, 2020

Neutron stars show their cores

A combination of theoretical calculations and information from astronomical observations indicates that massive neutron stars can contain cores filled with free quarks

News
Physics
02 June, 2020
Physics
News
02 June, 2020

CERN pays tribute to Murray Gell-Mann

The Nobel laureate, who coined the name “quarks”, passed away on 24 May

Obituary
At CERN
27 May, 2019
At CERN
Obituary
27 May, 2019

The hunt for leptoquarks is on

Recent results from CMS explore third-generation leptoquarks: hypothetical particles that combine the properties of leptons and quarks

News
Physics
19 September, 2018
Physics
News
19 September, 2018