A SLAC Pub number is assigned to any paper produced by a SLAC author or user doing research at SLAC. These papers include those submitted to a conference or journal, presented at a lecture, or included as part of a workshop.
A SLAC Report number is assigned to any thesis, manual, or formal conference/workshop proceedings.
SLAC Technical Note
A SLAC TN number is assigned to any informal, in-house technical document not submitted to a journal or conference.
SLAC Working Paper
A SLAC WP number is assigned to an informal collection of meeting notes, working papers, transparencies, or handouts from presentations associated with a workshop, symposium, or another meeting of comparable scope.