Backgrounders

On the Higgs boson

Factsheet - CERN and the Higgs boson

Factsheet for journalists about CERN and the Higgs boson. Created for the announcement of a Nobel prize for Higgs and Englert in 2013

Higgs update 4 July

CERN observes new fundamental particle – what comes next?

Higgs boson - Higgs limit FAQ for EPS-HEP 2011

Extracts from a paper by the CERN Scientific Policy Committee on the scientific significance of the possible exclusion regions of the Higgs

Important terms in Higgs research

Use our glossary of important terms from particle physics and statistics to inform your articles on the Higgs boson

The Higgs boson: Evolution or revolution?

Discovering the Higgs particle at the LHC would be a triumph, but showing that it doesn’t exist could be just as exciting

The Higgs boson

The Standard Model cannot explain why particles have mass. The Higgs may be the answer, and CERN physicists are looking for it

Other topics in physics

Compositeness

The unprecedented energy of proton collisions at the LHC could be what scientists need to find a new world of subatomic particles

Dark matter

Dark matter makes up more than 80% of all the matter in the universe, but it can only be detected by its gravitational effects

Extra dimensions

Of the four forces that govern the way particles interact, gravity is the weakest. Could the weakness be due to as-yet-undetected dimensions?

First result from the AMS experiment

The Alpha Magnetic Spectrometer (AMS) Collaboration announces the publication of its first physics result in Physical Review Letters

Fourth-generation particles

Experiments at the Large Hadron Collider could reveal additional types of subatomic particles that make up our universe

Heavy-ion collisions, the quark-gluon plasma, and quantum chromodynamics

CERN physicists collide heavy ions to free quarks from their bonds - recreating conditions that existed in the universe just after the big bang

Matter/antimatter asymmetry

The big bang should have created equal amounts of matter and antimatter in the early universe. So why is there so much more matter than antimatter today?

Supersymmetry

Supersymmetry predicts a partner particle for each of the particles in the Standard Model

The safety of the LHC

The LHC Safety Assessment Group reaffirms that LHC collisions present no danger and that there are no reasons for concern

The top quark

The heaviest subatomic particle ever observed - first seen at Fermilab in 1995 - remains a topic of intensive research today

W prime and Z prime

Finding hypothetical particles called W' or Z' could give us clues as to how the fundamental forces relate to one another

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