"The term “preprint” most often refers to a manuscript that has gone through a peer-review process and now awaits publication in a traditional journal. A preprint accessible over the Web may also be referred to as an “e-print.”
CERN is the European Organization for Nuclear Research, located near Geneva Switzerland. CERN Document Server provides access to records of interest to people working in particle physics and related areas. It includes covers preprints, articles, books, journals, photographs, and more - including the full text of many items.
From Conseil Europen pour la Recherche Nuclaire (CERN)