Bates: Not an acronym. The Massachusetts Institute of Technology Bates Linear Accelerator Center.

BINP: Budker Institute of Nuclear Physics in Novosibirsk, Russia.

BNL: The Department of Energy's Brookhaven National Laboratory in Upton, Long Island.

CERN: Originally "Conseil Européen pour la Recherche Nucléaire," now the European Laboratory for Particle Physics, in Geneva, Switzerland.

DESY: Deutsches Elektronen-SYnchrotron laboratory,  the German center for particle physics and synchrotron radiation research in Hamburg

ESRF: The European Synchrotron Radiation Facility in Grenoble, France.

FNAL: The Department of Energy's Fermi National Accelerator Laboratory in Batavia, Illinois.

FZK: Forschungszentrum Karlsruhe, a nonprofit basic science research center in Karlsruhe, Germany.

GSI: Gesellschaft für Schwerionen-forschung, a heavy-ion research center in Darmstadt, Germany.

JINR: The Joint Institute for Nuclear Research in Dubna, Russia.

JLAB: The Department of Energy’s Thomas Jefferson Newport National Accelerator Facility, or Jefferson Lab, in Newport News, Va. Formerly CEBAF (Continuous Electron Beam Accelerator Facility).

KEK: Koo Energy Ken. The High Energy Research Accelerator Organization in Tsukuba, Japan.

LAL:The Laboratoire de L’Accelerateur Lineaire at the University of Paris-Sud in Orsay, France.

LANL: The Department of Energy’s Los Alamos National Laboratory in Los Alamos, N.M.

LEPP: Laboratory for Elementary-Particle Physics at Cornell University in Ithaca, New York. Formerly the Laboratory for Nuclear Studies (LNS).

LLNL: The Department of Energy’s Lawrence Livermore National Laboratory in Livermore, Calif.

LNF: Laboratori Nazionali di Frascati, near Rome, Italy.

LNGS: Laboratori Nazionali del Gran Sasso, in L’Aquila, Italy. Usually referred to as “Gran Sasso.”

LNL: Laboratori Nazionali di Leganaro, in northern Italy.

LNS: Laboratori Nazionali del Sud, in southern Italy.

NUSL: The National Underground Science Laboratory in the Homestake Mine, S.D.

ORNL: The Department of Energy’s Oak Ridge National Laboratory in Oak Ridge, Tenn.

PSI: Paul Scherrer Institut, a research facility in northern Switzerland.

SLAC: The Department of Energy's Stanford Linear Accelerator Center in Palo Alto, California.

SSRL: SLAC Synchrotron Radiation Laboratory.

TRIUMF: TRI-University Meson Facility. (Although now there are eight universities involved, TRIUMF started with three.) Located at the University of British Columbia in Canada.

WIPP: The Department of Energy’s Waste Isolation Pilot Plant, a nuclear waste center in New Mexico also being used as an underground laboratory.

AGS: The Alternating Gradient Synchrotron at Brookhaven.

ATLAS: The Argonne Tandem Linear Accelerator, a heavy-ion accelerator at Argonne.

AWA: The Argonne Wakefield Accelerator, working on accelerator R&D.

B Factory: SLAC's new electron-positron collider, built to produce B mesons, beginning in 1999.

BEPC: Beijing Electron Positron Colider

CESR: The Cornell Electron Storage Ring. A high-luminosity electron-positron collider at the Wilson Synchrotron Laboratory, Cornell University.

CLIC: CERN's proposed Compact LInear Collider.

DAFNE: (Sometimes DAPHNE) Double Annular Factory for Nice Experiments. 1.0 GeV high luminosity phi factory at LNF in Italy.

EPA: CERN's Electron Positron Accumulator.

ISAC: TRIUMF’s Isotope Separator and Accelerator for astrophysics study.

ILC: A proposed electron-positron collider, the ILC will stretch approximately 35 kilometers in length. Consisting of two linear accelerators that face each other, the ILC will hurl some 10 billion electrons and their anti-particles, positrons, toward each other at nearly the speed of light. The current baseline design calls for a 500 billion-electron-volt (GeV) machine and allows for an upgrade to a 50-kilometre, 1 trillion-electron-volt (TeV) machine during the second stage of the project. The ILC will be designed, funded, managed, and operated as a fully international scientific project.

KEK B-Factory: An electron-positron collider to study CP violation in the B meson, at KEK.

LANSCE: Los Alamos Neutron Science CEnter (formerly LAMPF, the Los Alamos Meson Physics Facility).

LEAR: Low Energy Antiproton Ring at CERN (closed for physics in 1996).

LEIR: Low Energy Ion Ring. (LEAR is now being converted into LEIR, a machine to store ions for the LHC at CERN.)

PEP: SLAC's Positron Electron Project, now the site of the B Factory.

PEP-II: The official name for the SLAC B Factory.

PS: CERN's Proton Synchrotron.

RHIC: Brookhaven's Relativistic Heavy Ion Collider began operation in 2000. RHIC collides beams of gold ions to study what the universe looked like in the first few moments after its creation.

SBLC: S-Band Linear Collider. Possible future linear collider, under study at DESY.

SLC: SLAC Linear electron-positron Collider.

SPEAR: The Stanford Positron Electron Accelerating Ring, completed in 1965. Now being used as a synchrotron light source for SSRL.

SPS: CERN's Super Proton Synchrotron.

ALICE: A Large Ion Collider Experiment, destined for the LHC at CERN.

AMANDA: Antarctic Muon and Neutrino Detector Array. International collaboration proposing to detect high-energy cosmic neutrinos at the South Pole.

AMS: Alpha Magnetic Spectrometer. A detector in space to search for antimatter.

ANTARES: Astronomy with a Neutrino Telescope and Abyss environmental RESearch.

APEX: AntiProton Experiment. Fermilab experiment to search for antiproton decay.

ATLAS: A Toroidal LHC ApparatuS. Detector now being built by an international collaboration for operation at the LHC at CERN. U.S. HEP community plays a major role.

BaBar: B-Bbar (anti-B) detector at SLAC's B Factory. Named for the elephant in Laurent DeBrunhoff's children's books.

BELLE: B detector at KEK in Japan.

BES: BEijing Spectrometer

BLAST: The Bates Large Acceptance Spectrometer Toroid, located at MIT.

BOREX: (or Borexino) An underground solar neutrino experiment at Gran Sasso in Italy.

BRAHMS: The Broad Range Hadron Magnetic Spectrometer located at Brookhaven.

BTeV: Proposed dedicated B physics experiment at Fermilab's Tevatron.

CAT: Cherenkov Array at Themis, an imaging telescope in France to detect very high-energy gamma rays.

CDF: Collider Detector at Fermilab, studies proton-antiproton collisions at the Tevatron.

CDMS: Cryogenic Dark Matter Search. A Fermilab/university experiment to search for the interaction of dark matter particles with the nuclei of silicon and germanium detectors, now at Stanford. Will place a detector in Soudan Mine, Minnesota.

CHAOS: Canadian High Acceptance Orbit Spectrometer.

CHOOZ: An international long-baseline reactor neutrino experiment located at the CHOOZ A nuclear power station, les Ardennes, France.

CHORUS: CERN Hybrid Oscillation Research Apparatus.

CKM: Charged Kaons at the Main Injector, a proposed Fermilab experiment to measure charged kaon decay.

CLEO:Not an acronym. Goes with CESR. Get it? Detector at Cornell's CESR accelerator.

CMD-2: Cryogenic Magnetci Detector, one of the two VEPP-2M's detectors, at BINP.

CMS: Compact Muon Solenoid. Detector now being built for CERN's LHC by international collaboration including many U.S. physicists.

CNGS: CERN Neutrinos to Gran Sasso, a long-baseline neutrino oscillation experiment.

COBE: COsmic Background Explorer, a satellite launched by NASA in 1989 to search for evidence of the Big Bang. Currently in data analysis.

COSMOS: Cosmologically Significant Mass Oscillation Search at Fermilab to detect muon neutrino to tau neutrino oscillations.

COMPASS: CERN's Common Muon and Proton Apparatus for Structure and Spectroscopy.

CRESST: Cryogenic Rare Event Search with Superconducting Thermometers. An experiment in the Gran Sasso Underground Laboratory to search for WIMP (Weakly Interacting Massive Particle) dark matter using cryogenic detectors.

DAMA: Particle DArk MAtter search with highly radiopure scintillators at Gran Sasso, searching for WIMPs.

DELPHI: Detector with Lepton Photon and Hadron Identification at CERN's LEP accelerator.

DONUT: Direct Observation of the Nu Tau. A Fermilab fixed-target experiment to detect direct interactions of the tau neutrino.

DZero: (named for location on the Tevatron Ring) Collider detector studies proton-antiproton collisions at Fermilab's Tevatron.

E787: Brookhaven experiment at the AGS to study rare kaon decays.

EOS TPC: Equation of State Time Projection Chamber experiment, studying heavy ion collisions at Berkeley.

EXO: Enriched Xenon Observatory, searching for neutrinoless double beta-decay at WIPP.

FOCUS: FOtoproduction of Charm: Upgraded Spectrometer. A Fermilab fixed target experiment to study charm physics.

GALLEX: The Gallium EXperiment at Gran Sasso. An international collaboration uses a gallium detector at Gran Sasso, Italy to measure the solar neutrino flux produced inside the sun by proton-proton fusion.

GENIUS: Germanium Nitrogen Underground Setup, a proposed experiment by Gran Sasso and Heidelberg to operate Ge detectors in liquid nitrogen.

GLAST: Gamma-ray Large Area Space Telescope. A proposed orbiting telescope for high-energy gamma rays.

HAPPEX: Hall A Proton Parity Experiment at JLAB.

HDMS: Heidelberg Dark Matter Search. Double beta decay and dark matter searches taking place at the University of Heidelberg in Germany.

HEAT: High- Energy Antimatter Telescope. A NASA-supported program of high-altitude balloon-borne experiments to study antimatter in the primary cosmic radiation.

MINOS: Main Injector Neutrino Oscillation Search. An experiment to study neutrino oscillations using the NuMI beam from Fermilab's Main Injector accelerator.

MIPP: Main Injector Particle Production, a proposed experiment at Fermilab.

MONOLITH: Massive Observatory for Neutrino Oscillations or LImits on THeir existence. Atmospheric neutrino detector at Gran Sasso.

MPS: The Microdrop Particle Search at SLAC, searching for extremely massive charged particles.

MUCOOL: MUon COOLing experiment, which hopes to develop a muon ionization cooling channel for a high-luminosity muon chamber.

NESTOR: Neutrino Extended Submarine Telescope with Oceanographic Research, a deep sea high-energy neutrino telescope off the coast of Greece.

NOE: Neutrino Oscillation Experiment, at Gran Sasso.

NOMAD: Neutrino Oscillation MAgnetic Detector, at CERN.

NuMI: Neutrinos at the Main Injector, a project to send a beam of high-energy neutrinos from Fermilab to a detector in northern Minnesota, beginning in 2002.

NuSEA: NUcleon SEA. Fermilab fixed target experiment to measure the asymmetry of down and up anti-quarks in the nucleon sea.

NuTeV: Neutrinos at the Tevatron, a Fermilab fixed-target experiment using a neutrino beam for precision measurement of the mass of the W boson.

OMNIS: Observatory for Multiflavor Neutrinos from Supernovae, an underground experiment at WIPP.

OPAL: Omni Purpose Apparatus for LEP, at CERN.

OPERA: Oscillation Project with EmulsiontRacking Apparatus, the neutrino detector at Gran Sasso for the long-baseline experiment CNGS.

ORLaND: Oak Ridge Large Neutrino Detector, searching for neutrino oscillations at Oak Ridge.

PHENIX: Pioneering High-Energy Nuclear Interaction eXperiment, at Brookhaven.

PHOBOS: Not an acronym. Phobos is a moon of Mars, which was the name of the original proposed detector. Studies heavy-ion collisions at Brookhaven.

Pierre Auger Project: (No acronym) International experiment to track down the origin of ultra-high-energy cosmic rays.

pp2pp: proton-proton to proton-proton elastic scattering experiment at Brookhaven.

RAND:Radio Neutrino Detector array, located 1.5 km from the South Pole.

SAGE: Soviet-American Gallium Experiment. (Although "Soviet" changed to "Russian" a few years back, "RAGE" didn't have the right ring.) Recently, thieves stole the gallium from this solar neutrino detector in the Baksan Mountains of Russia.

SDSS: Sloan Digital Sky Survey. Astrophysics project to create largest-ever three-dimensional map of the sky.

SELEX: SEgmented Large X baryon spectrometer EXperiment A fixed target experiment at Fermilab to study charm baryons.

SLD: SLAC Large Detector, optimized for physics at the SLC interaction point.

SNAP: SuperNova Acceleration Probe, a proposed satellite to measure the Universe's rate of expansion.

SND: Spherical Neutral Detector, the other of the two VEPP-2M's detectors at BINP.

SNO: Sudbury Neutrino Observatory. A solar-neutrino detector near Sudbury, Ontario, Canada.

SOUDAN II: Soudan II underground detector, in an underground laboratory in the Tower-Soudan Iron Mine in Soudan, Minnesota, to search for nucleon decay and study atmospheric neutrino physics.

SPY: Secondary Particle Yield, a CERN experiment to measure the production rates of pions and kaons.

STAR: Solenoidal Tracker At RHIC, looking for quark-gluon plasma at Brookhaven.

Super-K: Super-Kamiokande experiment to detect neutrino oscillations from atmospheric neutrino flux, in Japan.

TAPS: Two-Arm Photon Spectrometer, German experiment to measure hard photons and neutral mesons.

TISOL: TRIUMF Isotope Separator OnLine.

TOSCA: Toplological Oscillation Search with kinematic analysis, the intended CERN follow-up project to CHORUS and NOMAD.

UNO: Underground Nucleon decay and neutrino Observatory, located at WIPP.

NSF: National Science Foundation. Funds university physics research, physics experiments and projects, and an HEP lab at Cornell University.

OSTP: Office of Science and Technology Policy. Advises the President.

PRL: Physical Review Letters, the main journal of the APS.

SAGENAP: Scientific Assessment Group for Experiments in Non-Accelerator Physics. Advisory to DOE.

SC: DOE's Office of Science

SPIRES: Stanford Public Information REtrieval System. Online gold mine of physics information.

UCLC: University Consortium for Linear Collider
R&D, U.S. National Science Foundation.

URA: Universities Research Association. Contracts with DOE to run Fermilab

YPP:  Young Particle Physicists