European Space Agency

Acronym doesn't need spelling out for the CERN Courier

European Southern Observatory

Acronym doesn't need spelling out for the CERN Courier

European Spallation Source

must be preceded by a comma

European Coordination for Accelerator Research & Development project

See collision or event?.

no italics or hyphen

Use capitals for the names of experiments (ATLAS, ALICE, NA62, CLOUD, etc.), except for LHCb, LHCh and n_TOF. AEGIS, AEgIS and AEḡIS are all acceptable spellings used by the collaboration.​

Because CERN experiments can involve thousands of people working across laboratories and countries, there is considerable overlap between the concept of an experiment, research team or collaboration. IS and AEGIS are all acceptable spellings, although the first is the experiment's official name.

Be careful how you use these terms – think how inclusive the term needs to be.

use italics

Femtobarn (fb^-1 = inverse femtobarm)

A unit of area, equal to 10⁻⁴³ square metres. See barn and inverse femtobarn.

"Femto" means a factor of 10^-15, a thousandth of a millionth of a millionth. So a femtobarn is a barn (10^-28 square metres) multiplied by 10^-15, which equals 10^-43 square metres.

When writing pages for the general public, always give an approximate number of collisions as well as the figure in inverse femtobarns.

A subatomic particle, such as a nucleon, which has half-integral spin and follows a statistical description given by Fermi and Dirac.

use hyphen

Not fireman

See gender neutrality

One "s"

Don't use them. 

Except in press releases, where the following footnote should be inserted, linked to the first mention (and only the first mention) of the word "CERN" in the main text.

Note: This version came into force on 8 January 2018. It should be updated if and when any new nations join CERN as Member States.

English:

precede