quark-gluon plasma

A mixture of weakly bound quarks and gluons, which are free to move on their own in what’s called a quark-gluon plasma.

31 results

CMS sees evidence of top quarks in collisions between heavy nuclei

The result opens the path to study in a new and unique way the extreme state of matter that is thought to have existed shortly after the Big Bang

News
Physics
09 October, 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

Bottomonium particles don’t go with the flow

The first measurement, by the ALICE collaboration, of an elliptic-shaped flow for bottomonium particles could help shed light on the early universe

News
Physics
16 July, 2019

LHC experiments share highlights for 2018

ALICE, ATLAS, CMS and LHCb presented their key physics results at an end-of-year series of talks

News
Physics
14 December, 2018
Physics
News
14 December, 2018

Time for lead collisions in the LHC

The first collisions of lead nuclei mark the start of the latest LHC heavy-ion run

News
Accelerators
09 November, 2018
Accelerators
News
09 November, 2018

A bumper crop of LHC results at Quark Matter 2018

The main LHC collaborations present a wealth of new results at this year’s Quark Matter conference

News
Physics
18 May, 2018

Neutron stars cast light on quark matter

The first observation of a neutron-star merger by the LIGO and Virgo collaborations has allowed researchers to improve the theory of quark matter

News
Physics
07 June, 2018

New ALICE results show novel phenomena in proton collisions

Published in Nature Physics ALICE reports proton collisions sometimes present similar patterns to those observed in the collisions of heavy nuclei

News
Experiments
05 May, 2017

Quark Matter 2017: understanding the early universe

The LHC experiment collaborations presented their latest results at the Quark Matter conference on how matter behaved in the universe's first moments

News
Experiments
10 February, 2017
Experiments
News
10 February, 2017

Lead ion and proton: Close encounters of the third kind

For the third time ever the LHC today began colliding beams of protons with lead ions to probe the early universe from which matter emerged

News
Physics
10 November, 2016

CERN experiments present results at Quark Matter 2015

There were presentations from ALICE, CMS, ATLAS and LHCb at the international conference on ultrarelativistic heavy-ion collisions this week

News
Experiments
02 October, 2015
Experiments
News
02 October, 2015

Quenching jets in hot dense matter from lead-ion collisions

The ATLAS measurement compared data of 2.76 TeV lead-ion collisions taken in 2011 with proton-proton data from a dedicated run of the LHC in 2013

News
Physics
18 November, 2014