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

Hearing the sound of quark–gluon plasma

The CMS collaboration has measured the speed of sound in the quark–gluon plasma more precisely than ever before, offering new insights into this extremely hot state of matter

News
Physics
16 February, 2024
Physics
News
16 February, 2024

ALICE bags about twelve billion heavy-ion collisions

The whopping number of collisions recorded by ALICE during the recent five-week heavy-ion run of the LHC is 40 times greater than the total recorded by the experiment in its previous periods of heavy-ion data taking, from 2010 to 2018

News
Experiments
01 December, 2023
Experiments
News
01 December, 2023

Charm is better than beauty at going with the flow

New ALICE measurements shed light on the dynamics of charm and beauty particles in quark–gluon plasma

News
Physics
15 December, 2023

ALICE reports new charmonia measurements in LHC Run 3

The ALICE collaboration presents its first results based on data collected with the upgraded detector in 2022, the first year of Run 3 of the LHC, at the 2023 Quark Matter conference

News
Physics
15 September, 2023

Bikash Sinha (1945 – 2023)

Obituary
Physics
21 November, 2023
Physics
Obituary
21 November, 2023

Thick-skinned: Scientists determine the thickness of neutron “skin” in lead-208 nuclei

This is the first measurement of the neutron skin of lead-208 using exchanges predominantly involving gluons and it can provide insight into the structure of nuclei and neutron stars

News
Physics
15 November, 2023

Accelerator Report: Getting lead ions ready for physics

In about a week, lead ions will be sent from the SPS into the LHC to collide in the accelerator’s four big experiments

News
Accelerators
13 September, 2023
Accelerators
News
13 September, 2023

ALICE sees the ridge in simplest collisions yet

The observation brings physicists a step closer to finding the origin of collective phenomena in small collision systems

News
Physics
31 March, 2023

Ten-year journey through quark–gluon plasma

Feature
Physics
09 November, 2022
Physics
Feature
09 November, 2022

ALICE explores the hidden charm of quark–gluon plasma

The ALICE collaboration shows that different bound states of a charm quark and its antimatter counterpart are differently modified by quark–gluon plasma, opening new avenues for studying this special state of matter and its effects

News
Physics
20 October, 2022

Mass matters when quarks cross a quark–gluon plasma

A new analysis by the ALICE collaboration confirms the expected role of quark mass in the interactions of quarks with a quark–gluon plasma

News
Physics
25 March, 2022

Recreating Big Bang matter on Earth

Our fifth story in the LHC Physics at Ten series looks at how the LHC has recreated and greatly advanced our knowledge of the state of matter that is believed to have existed shortly after the Big Bang

Feature
Physics
13 November, 2020
Physics
Feature
13 November, 2020