O
OA Office of Assurance (SLAC)
OAL Office of Administrative Law. (California)
OAS Office of Assessment and Support.
OASIS Organization for the Advancement of Structured Information Standards.
OBE One Boson Exchange
OBER See DOE OBER.
OBS Organization Breakdown Structure.
OCCG Operations Computing Coordinating Group.
Occupational Safety and Health Administration See OSHA.
OCFO Office of the Chief Financial Officer.
OCIO Office of the Chief Information Officer. (SLAC)
OCL Obligation Control Level.
OCRWM Office of Civilian Radioactive Waste Management.
OD Operations Directorate (SLAC).
Odd Sector Key A PPS key used to open the door of odd-numbered Sectors of the LINAC (except Sector 19).
ODE Ordinary Differential Equations
ODH Oxygen Deficiency Hazards.
ODM Oxygen Deficiency Monitor.
Odor Threshold The lowest concentration at which a substance is able to be smelled by a person with normal olfactory capability.
OE OErsted.
OE&ED Organization Effectiveness and Employee Development.
OECD Organization for Economic Cooperation and Development.
OECM Office of Engineering and Construction Management (DOE).
OES Governor's Office of Emergency Services. (California)
OFE Office of Fusion Energy.
OFE Oxygen Free Electrolytic (copper).
OFES Office of Fusion Energy Sciences.
Offs The x and y offsets for the center of a magnet in millimeters.
Off-Site Facility A hazardous waste treatment, storage, or disposal area that is located at a place away from the generating site.
OFI Opportunity For Improvement.
OGC Office of General Counsel. (SLAC)
OGE One Gluon Exchange Model.
OGLE Optical Gravitational Lensing Experiment.
OGSA Open Grid Service Architecture, from the Global Grid Forum.
OHEP Office of High-Energy Physics. (DOE)
OHMTADS Oil and Hazardous Materials Technical Assistance Data System. A computerized data retrieval system developed by the EPA.
OHP Operational Health Physics. The group charged with the task of monitoring radiation, TLDs, and preventing radiation accidents.
OIO Office of Independent Oversight.
OIP Operations Improvement Project(s).
OIPRP Office of Intellectual Property and Research Partnerships.
OJT On-the-Job Training.
OLA Operational Level Agreement.
OLC Online Learning Center. (DOE)
OLCF Oak Ridge Leadership Computing Facility (DOE)
OM Open Membranes
OMB Office of Management and Budget.
OMC Occupational Medicine Clinic.
Omega Space In probability theory, the entire field of all possibilities in a given experiment is represented by the Greek symbol Omega, and is called "Omega Space." If you are rolling a pair of dice, for example, the 11 whole numbers from two through twelve are the Omega Space.
OMVPE OrganoMetallic Vapor Phase Epitaxy.
ONC Open Network Computing Group (Sun).
One-Shot An IC used to generate a single output pulse in response to a trigger, as in "one-shot multivibrator."
ONR Office of Naval Research (U.S. Dept. of the Navy, Washington DC).
ONS Okamoto-Nolen-Schiffer.
On-Scene Coordinator See OSC.
OO Object-Oriented.
OOA Object-Oriented Analysis.
OOC Ordering Operator Calculus.
OOP Object Oriented Programming.
OOPS Out Of Plane Spectrometer. (MIT-Bates)
OOPSLA Object-Oriented Programming, Systems, Languages and Applications.
OOUI Object Oriented User Interface. OOUIs are object-oriented Graphical User Interfaces (GUIs). In an OOUI, an object may be a document that knows how to open, print, and shred itself, to be distinguished from a non-object word processor that knows how to open a document. The OS/2 Workplace '91 shell, with its templates for classes of interface objects and containers for windows holding other windows, is an OOUI.
OPA Optical Parametric Amplifier.
OPA Office of Project Assessment (SLAC).
OPA Office of Planning Assessment (NSF).
OPC Other Project Costs.
OPCPA Optical Parametric Chirped Pulse Amplification
OPE One Pion Exchange
OPEN LOOK A GUI based on X Windows and developed by AT&T. Alternative to Motif.
Open Software Foundation See OSF.
Open Systems Interconnection See OSI.
OpenEI.org Open Energy Information. (DOE)
OpenGATE A collaboration to improve, validate, document and test GATE software.
OPEP One Pion Exchange Potential
OPERA Oscillation Project with Emulsion-tRacking Apparatus.
Operational Health Physics See OHP.
Operations Schedule Long-term schedule of experiments on the accelerator. It is available from The Technical Director's office in the Technical Division. Previously called Experiment Schedule. Also called the Running Schedule, or, the Schedule.
Operator A member of the SLAC Accelerator Operations Department who operates the accelerator and beam transport systems in order to deliver a beam to a team of experimenters. This function involves tuning to specifications, failure analysis, and PPS procedures.
OPEX OPerational EXcellence (SLAC)
OPI Organization of Principal Interest.
OPIM Other Potentially Infectious Materials.
OPM Office of Personnel Management.
OPOC Organizational Point Of Contact.
OPR OPeRating.
OPR Owner Project Requirement
OPS OPerationS. See Operator.
OR Oak Ridge. See also ORNL.
Oracle A relational database management system which runs on most mainframe computers and networked microcomputers. Oracle users can use databases on other platforms as if on their own. SLAC has several site licenses for Oracle.
ORAU Oak Ridge Associated Universities
Orbit The path of a beam along a transport line. Originated from storage ring terminology.
ORCID Open Researcher and Contributor ID.
Organic Chemicals A large group of chemicals in which carbon atoms are key constituents. Other key elements may include sulfur, hydrogen, oxygen, and nitrogen.
ORION A facility for advanced accelerator research based on the Next Linear Collider Test Accelerator (NLCTA) at SLAC.
ORM Other Regulated Material (from 49 CFR).
ORNL Oak Ridge National Laboratory (TN)
ORO Oak Ridge Operations Office (DOE).
ORPS Occurrence Reporting and Processing System. (DOE)
ORR Operational Readiness Review
OSA Optical Society of America.
OSC On-Scene Coordinator. The predesignated EPA, Coast Guard, or Department of Defense official who coordinates and directs Superfund removal actions or Clean Water Act oil- or hazardous-spill corrective actions.
OSC Operating Safety Committee (SLAC)
OSF Operations Support Facility (ALMA telescope - Chile).
OSF An acronym for Open Software Foundation, a consortium consisting of DEC, IBM, HP/Apollo, and other major vendors of Unix hardware. The group was formed in response to the formation of the Unix International compact. Now part of The Open Group.
OSFT Open String Field Theory.
OSG Open Science Grid.
OSHA Occupational Safety and Health Administration. The U.S. Government agency in charge of safety in the workplace. The California State equivalent is CAL/OSHA.
OSI Open Systems Interconnection. The international standard program to facilitate data communication among computers from different manufacturers. The standard defines seven layers of protocols (Physical layer, Link layer, Network layer, Transport layer, Session layer, Presentation layer and Application layer). Most of the functionality in the OSI model exists in all communication systems, although two or three OSI layers may be incorporated into one.
OSP Operational Safety Procedure (or Policy).
OSP Office of Strategic Planning. (SLAC)
OSR Operational Safety Requirement.
OSR Office of Sponsored Research. (Stanford)
OSR Open Science Repository.
OSTP Office of Science and Technology Policy.
OSU Off-Site Use.
OSWER Office of Solid Waste and Emergency Response. A subdivision of EPA.
OTA Office of Technology Assessment. (Federal)
OTIC Orient Tantalum Industry Corporation. (Ningxia, China)
OTL Office of Technology Licensing. (Stanford)
OTQM Odd Truncated Quadrupole-Phonon Model
OTR Optical Transition Radiation.
OTT Office of Technology Transitions (DOE).
OU Organizational Unit. (SLAC)
OUO Official Use Only. Designation of unclassified information that may be exempt from public release
OZI Okubo-Zweig-Iizuka
