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SLACspeak Terms

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E
Experiment.
E-ELT
European-Extremely Large Telescope.
E-Mail
Electronic Mail. A network application that allows users to send mail electronically. E-mail systems can be included as a basic piece of a network operating system (with relatively limited functionality) or as full applications (with significantly enhanced functionality) that run on top of the network operating system.
E-Mail Address
A name that identifies an electronic post office box on a network where e-mail can be sent. Different types of networks have different formats for e-mail addresses. On the Internet, all e-mail addresses have the form [name]@[domain name].
E-print
An electronic manuscript intended for publication but circulated among peers for comment prior to being submitted for publication.
EA
Experimental Group A.
EA
Environmental Assessment.
EA
Enterprise Architecture.
EAC
Estimate At Completion.
EACT
The energy in GeV for a quad strength as computed by LEM. It is based on data from klystron Enoload. See also ENLD.
EARN
The European Academic Research Network. Started in 1983, EARN was the first and largest network serving academic and research institutions in Europe, the Middle East and Africa. Initially begun with help from IBM, it evolved to become a non- profit, non- commercial traffic-based network serving academic and research institutions.
EAS
Extensive Air Shower
East Turn Around
See ETA.
EB
Experimental Group B.
EBCCD
Electron-Bombarded CCD
EBCDIC
Extended Binary Coded Decimal Interchange Code. An 8-bit code for defining 256 different characters used on many IBM main frame computers. See also ASCII.
EBI
Energy Biosciences Institute.
EBK
Einstein-Brillouin-Keller
EBL
Extragalactic Background Light.
EBT
Extended Business Team.
EC
Experimental Group C.
EC
Executive Committee. (ILC)
EC
European Commission.
ECal
Elctromagnetic Calorimeter. (ILC)
ECCO
Eikonal Cascade COde
ECFA
European Committe on Future Accelerators
Echo-7
Experiment to be conducted at NLCTA in 2009-2010.
ECI
Electron Cloud Instability.
ECM
Enterprise Content Management. Strategies and tools used to captur e, manage, store, preserve, and deliver content and documents rela ted to organizational processes. ECM tools and strategies allow th e management of an organization's unstructured information, wherev er that information exists.
Ecology
The relationship of living things to one another and their environment, or the study of such relationships.
ECON
Beam energy (GeV) at magnet center from the stored computer configuration currently in use.
eConf
Electronic Conference proceedings archive. ( http://www.slac.stanford.edu/econf/)
ECP
Exposure Control Plan.
ECR
Electron Cyclotron Resonance
ECSC
Enterprise Computing Steering Committee.
ECSK
Einstein-Cartan-Sciama-Kibble.
ED
Experimental Group D.
ED
ElectroDialysis.
ED
Engineering Design (ILC).
ED & M
Electrical Development and Maintenance group, a department. (SSRL)
EDB
Energy DataBase.
EDF
Environmental Defense Fund.
EDG
European DataGrid.
EDIA
Engineering Design Inspection Acceptance (cost estimates).
EDM
Electric Dipole Moment
EDM
Electric Discharge Machining.
EDM
Extensible Display Manager
EDMS
Electronic Document Management System.
EDMS
Engineering Data Management System (ILC).
EDR
Engineering Design Report. (ILC)
EDS
Electronics Drafting Shop.
EDS
Package responsible for receiving event data packets as they are delivered to a CPU by the LAT detector. After receiving the events, EDS delivers reconstructed event data to higher-level processes for filtering, analysis, and output.
  Glast Category: FSW, package
EE
Experimental Group E.
EEF
Environmental Evaluation Form.
EEHG
Echo-Enabled Harmonic Generation.
EEIP
Electrical Equipment Inspection Program (SLAC).
EELA
E-infrastructure shared between Europe and Latin America.
EEOICPA
Energy Employees Occupational Illness Compensation Program Act.
EEP
Emergency Evacuation Plan.
EEQT
Event Enhanced Quantum Theory
EEW
Energized Electrical Work request and approval permit.
EFC
The EFC (Event Filter Code) Flight Software package
  Glast Category: FSW, package
EFCOG
Energy Facilities Contractors Group
EFD
Experimental Facilities Department, formerly part of SLAC's Resear ch Division, now the Facilities Department in the Operations Direc torate.
EFE
Einstein Field Equation-type.
Effluent
Wastewater--treated or untreated--that flows out of a treatment plant, sewer, or industrial outfall. Generally refers to wastes discharged into surface waters.
Effluent Limitation
Restrictions established by a State or EPA on quantities, rates, and concentrations in wastewater discharges.
EFRC
Energy Frontier Research Center. (DOE)
EFT
Effective Field Theory.
EG
Experimental Group G.
EGEE
Enabling Grids for E-sciencE. (Consortium)
EGP
Exterior Gateway Protocol. The protocol used by a gateway in one autonomous system to advertise the Internet addresses of networks in that autonomous system to a gateway in another autonomous system. Every autonomous system must use EGP to advertise network reachability to the core gateway system.
EGRET
Energetic Gamma Ray Experiment Telescope,
EGRET
(see CGRO Science Support Center)
  Glast Category: organization
  URL: http://cossc.gsfc.nasa.gov/docs/cgro/cossc/egret/
EGS
Electron-Gamma Shower. A system of computer codes for Monte Carlo simulation of the coupled transport of electrons and photons in an arbitrary geometry for particles with energies ranging from above a few keV up to several TeV.
EGS
Ehlers-Geren-Sachs
EGS4
Electron Gamma Shower 4 (Computer Code).
EGUN
Electron optics and GUN design program.
EH
Experimental Group H.
EH
Office of the Assistant Secretary for Environment, Safety and Health.
EH&S
Environmental Health and Safety (Stanford).
EHF
European Hadron Facility
EHM
Extremely Hazardous Materials.
EHNS
Ellis-Hagelin-Nanopoulos-Srednicki
EHS
Four-pi detector at CERN.
EI
Experimental Group I.
EIA
Electrical Institute Associates.
EIA
Energy Information Agency.
EIE
Electronics and Instrumentation section (Controls Department).
EIL
Environmental Impairment Liability.
EIR
Environmental Impact Report. (CEQA)
EIR
External Independent Review. (DOE)
EIS
Environmental Impact Statement. (NEPA)
ELD
Electronics Department (disbanded).
ELEC
Electronic combination.
Electromagnet Current
See EMC.
Electron Volt
See eV.
Electron-Gamma Shower
See EGS.
Electronic Bulletin Board System
See BBS.
Electronic Mail
See E-Mail.
ELETTRA
a national laboratory in Italy.
ELF
Package of utilities for manipulating ELF binary files.
  Glast Category: FSW, package
ELFE
Electron Laboratory For Europe
ELISA
Electron LInear Superconducting Accelerator.
ELM
ELectroMagnetic
ELP
Equipment-specific Lockout Procedure.
ELSA
ELektronen-Stretcher-Anlage (electron stretcher facility). (German y)
EM
ElectroMagnetic.
EM
Engineering Model. (FGST)
EM
Emission Monitor.
EMACS
Editing MACroS. Written by Richard Stallman at the MIT AI lab, EMACS is a program editor in UNIX with an entire LISP system which features high memory utilization and functions and programs that return values.
EMAG
ElectroMagnet.
EMBL
European Molecular Biology Lab.
EMC
ElectroMagnet Current. A klystron summary display message indicating that the electromagnet current is out of tolerance. (Focusing magnet.)
EMC
Emergency Management Coordinator.
EMC
European Muon Collaboration (CERN)
Emergency (Chemical)
A situation created by an accidental release or spill of hazardous chemicals which poses a threat to the safety of workers, residents, the environment, or property.
Emergency Off (Button)
Large red buttons, located in the beam housings, and used to turn off both beam and electrical hazards (including the VVS's) in an emergency situation.
Emergency Operations Center
See EOC.
EMIS
ElectroMagnetic Isotope Separators
Emission
Pollution discharged into the atmosphere from smokestacks, other vents, and surface areas of commercial or industrial facilities, from residential chimneys, and from motor vehicle, locomotive, or aircraft exhausts.
Emissions Trading
EPA policy that allows a plant complex with several facilities to decrease pollution from some facilities while increasing it from others, so long as total results are equal to or better than previous limits. Facilities where this is done are treated as if they exist in a bubble in which total emissions are averaged out. Complexes that reduce emissions substantially may `bank' their `credits' or sell them to other industries.
Emittance
A measure of the quality of a beam with regard to the tightness and uniformity of the momentum of its individual particles. Consider a space where each particle is defined by its position x and its angle x'. Then the emittance is the area of the ellipse enclosing the particles within one sigma (s), defined as above. The emittance (e) is also related to the size of the beam by s = square root eB, where B is the Beta function.
Emma Bump
Used in the LINAC as a local closed Bump for one beam. Four correctors are used to create an oscillation in one beam in order to compensate for a wakefield problem while making a closed bump in the other beam. Can be used anywhere in the machine whenever it is necessary to bump only one beam. (Designed by Paul Emma.)
EMO
Electric Motor Operator.
EMOD
Beam energy in GeV at magnet center from the model, depends on the z location along the LINAC.
EMP
Package used to collect detailed statistics on the performance and behavior of the onboard event processing software chain.
  Glast Category: FSW, package
EMP
Environmental Management Program. (DOE)
EMPACT
Electrons Muons Partons with Air Core Toroids. A proposed experiment at the SSC designed with a high resolution detector capable of utilizing the ultimate luminosity of the SSC. EMPACT was merged with the "Texas" collaboration, which was later combined with the L-star and other experiments to form a second detector effort at the SSC. See also GEM.
EMQG
ElectroMagnetic Quantum Gravity
EMR
Extraordinary MagnetoResistive effect.
EMS
Emergency Management System.
EMS
Environmental Management System.
EMS
Environmental Management System.
EMSWG
Environmental Management System Working Group.
EMUL
Emulsions.
Em1
Version of the GlastRelease toolkit used for integration and testing.
  Glast Category: SAS
Em2
Version of the GlastRelease toolkit used for integration and testing.
  Glast Category: SAS
EN 17
Engine 17 at the SLAC Fire Station.
ENC
Electron-nucleon collider
Encrypted
Data or voice information translated into an unreadable form for secure transmission from one point to one or more other points.
End-of-Service-Life Indicator
See ESLI.
Endangered Species
Animals, birds, fish, plants, or other living organisms threatened with extinction by man-made or natural changes in their environment. Requirements for declaring a species endangered are contained in the Endangered Species Act.
Endangerment Assessment
A study conducted to determine the nature and extent of contamination at a site on the National Priorities List and the risks posed to public health or the environment. EPA or the state conduct the study when a legal action is to be taken to direct potentially responsible parties to clean up a site or pay for the cleanup. An endangerment assessment supplements a remedial investigation.
ENEA
Italian National Agency for New Technologies, Energy, and the Environment.
Energy Research and Development Agency
See ERDA.
Energy Spectrometer
See Spectrometer.
EngineeringModel
EngineeringModel 1 and EngineeringModel 2 (Em1 and Em2) are versions of the GlastRelease toolkit used for integration and testing.
  Glast Category: SAS
ENLD
ENoLoaD. The calculated no-load energy delivered to a DLWG by a klystron. The S-BAND RF energy is integrated for the duration of one pulse. Enoload is used for lemming and modelling.
ENLIGHT
European Network in Light Ion Therapy.
Enoload
See ENLD.
Entanglement
Term introduced to physics by Edwin Schroedinger to describe the intimate bond that is thought to develop between quantum systems that have interacted. (Entanglement theory is the basis of current work in quantum computing.)
Entry Door
A PPS controlled door used for access to a radiation area. It includes a key-bank, a phone, and a video camera, and differs from an Entry Gate (the inner door) which has no key but has microswitches for status indication. With a few exceptions, Entry Doors have two-way communication with MCC, as well as a telephone.
Environment
The sum of all external conditions affecting the life, development, and survival of an organism.
Environment, Safety, and Health
See ES&H.
Environmental Assessment
A written environmental analysis prepared pursuant to the National Environmental Policy Act to determine whether a federal action would significantly affect the environment, and thus require preparation of a more detailed environmental impact statement.
Environmental Audit
An independent evaluation of a party's environmental compliance policies, practices, and controls.
Environmental Audit
An independent assessment of the current status of a party's compliance with applicable environmental requirements.
Environmental Fate
The movements and chemical changes experienced by a chemical introduced into the environment.
Environmental Response Team
EPA experts located in Edison, NJ and Cincinnati, OH, who can provide around-the-clock technical assistance to EPA regional offices and states during all types of emergencies involving hazardous waste sites and spills of hazardous substances.
EO
Executive Order.
EOC
Emergency Operations Center. It is located in the conference room next to the Main Control Room.
EOESH
Employee Orientation to Environment, Safety, and Health
EOI
Expressions of Interest.
EOIC
Engineering Operator In Charge (MCC).
EOP
Emergency Operating Procedures.
EORTC
European Organisation for Research and Treatment of Cancer.
EOS
Equation Of State.
EoS
Equation of State.
EP
Extraction Procedure.
EP
Environmental Protection.
EP
Electro-Polishing. (ILC)
EP Toxicity
Extraction Procedure Toxicity. A federally-specified test that is designed to identify wastes likely to leach hazardous concentrations of particular toxic constituents into the ground water as a result of improper management. (from RCRA)
EP&WM
Environmental Protection and Waste Management. Defunct SLAC department since reconstructured into two departments: Environmental Protection, and Restoration and Waste Management.
EPA
U.S. Environmental Protection Agency.
EPA
Equivalent Photon Approximation
EPA Identification Number (Or EPA Number)
The unique number assigned by EPA to each generator, transporter, or TSDF.
EPAC
Experimental Program Advisory Committee. The SLAC EPAC meets twice a year and reviews experimental proposals and advises the laboratory director.
EPAC
European Particle Accelerator Conference.
EPC
Experimental Program Control.
EPCRA
Emergency Planning and Community Right-to-know Act of 1986. Also known as SARA Title 111. (42 U.S.C. Sec. 9601 et seq)
EPCS
Experimental Physics Control Systems (Acronym for European Physica l Society Interdivisional Group on same).
EPD
Engineering and Physics Division (LCLS).
EPEAT
Electronic Product Environmental Assessment Tool.
EPFL
Ecole Polytechnique Fédérale de Lausanne. (Swiss Federal Institute of Technology in Lausanne)
EPhLAN
ElectroPhysical LAboratory, of the USSR Academy of Sciences.
EPIC
Electron-Proton/Ion polarized beam Collider
EPIC
European Photon Imaging Cameras.
EPICS
Experimental Physics and Industrial Control System. A computer software package developed by the Los Alamos and Argonne research facilities and used at SLAC in PEP II, NLCTA and LCLS.
EPIO
Emergency Public Information Officers.
EPIP
Emergency Preparedness plan Implementing Procedures.
EPO
Education and Public Outreach (GLAST).
EPO
Emergency Power Off.
EPO
See GLAST: Sonoma State university
  Glast Category:
  URL: http://www-glast.sonoma.edu/index.html
EPOG
European Particle physics Outreach Group.
EPP
Elementary Particle Physics (NSF Division).
EPP2010
Elementary Particle Physics in the 21st Century. Committee formed as part of the National Academies commission by DOE and NSF to construct a plan for US participation in the global particle physics community. See: http://www7.nationalacademies.org/bpa/EPP2010.html.
EPR
Einstein-Podolsky-Rosen.
EPR
Environmental Protection and Restoration, an ES&H Division Department
EPRB
Einstein-Podolsky-Rosen-Bohm
EPROM
Erasable Programmable Read-Only Memory.
EPS
Encapsulated PostScript.
EPS
European Physical Society.
EPS-AG
European Physical Society - Accelerator Group.
EPU
LAT CPU involved primarily in processing of event data delivered by the LAT detector.
  Glast Category: hardware
EPU
Elliptically Polarizing Undulator. (LCLS)
EPW
Eugene P. Wigner (1902-1995).1963 Nobel Laureate in Physics.
EP01
Extraction Positron 1. A micro-computer controlling the devices in the extraction linne area.
EP02
Extraction Positron 2. The micro-computer controlling devices in the positron vault area.
EQMC
Extended Quark Meson Coupling
EQSE
Enhanced Quasi-Sparse Eigenvector
EQU
EQUipment.
Equilibrium
In relation to radiation, the state at which the radioactivity of consecutive elements within a radioactive series is neither increasing nor decreasing.
ER
Office of Energy Research.
ER
Employee Relations (SLAC).
ERA-Net
European Research Area Network.
ERAB
Energy Research Advisory Board.
ERAP
Emergency Readiness Assurance Plan.
ERC
European Research Council.
ERDA
Energy Research and Development Agency. Superseded the Atomic Energy Commission (AEC),and was itself superseded by the Department of Energy (DOE). Established 11 October 1974, superseded 4 August 1977.
ERL
Environmental Research Laboratories.
ERL
Energy Recovery/Recovering Linac.
ERM
Enterprise Risk Management. (Stanford)
ERO
Emergency Response Organization. (SLAC)
ERP
Enterprise Resource Planning.
Errtalk
A VAX process broadcasting errors to terminals.
ERT
Emergency Response Team.
ERULF
Energy Research Undergraduate Laboratory Fellowship.
ERULFs
Energy Reserach Undergrad Lab Fellowships (Formerly SISE).
ERWM
Environmental Restoration and Waste Management.
ES&H
Environment, Safety, and Health.
ES&HCC
Environment, Safety, and Health Coordinating Council.
ES&HD
Environment, Safety, and Health Division. A SLAC Division which absorbed the former ESO and Radiation Physics Departments.
ESA
End Station A.
ESA
Endangered Species Act
ESA
Earth Sciences Associates.
ESA
European Space Agency.
ESAAB
Energy System Acquisition Advisory Board.
ESAB
Energy Secretary Advisory Board (DOE).
ESASE
Enhanced Self-Amplified Spontaneous Emission.
ESB
End Station B.
ESB
Executive Safety Board.
ESC
End Station C.
ESC
Extended Soft Core.
ESC
Environmental Service Committee.
ESC
Electrical Safety Committee.
ESCO
Energy-Saving COmpany.
ESD
Electronics and Software engineering Department (SLAC). Created October, 2000 when former Controls and Power Conversion Departments were combined.
ESD
Event-Summary Data
ESE
Equilibrium Self-Energy.
ESF
Exploratory Studies Facility.
ESF
Electronic Structure Factory. (ALS)
ESFRI
European Strategy Forum on Research Infrastructures.
ESGARD
European Steering Group for Accelerator R&D.
ESH
Environment, Safety and Health Division - SLAC.
ESHAC
Environmental Safety and Health Advisory Committee.
ESI
Electronically Stored Information.
ESLI
End-of-Service-Life Indicator. A colorimetric indicator on an air- purifying respirator which indicates when to discard the purification element.
ESnet
The network backbone for all DOE Energy Research Programs (High Energy and Nuclear Physics, Basic Energy Sciences, Scientific Computing and Health and Environmental Research). It replaced the communication facilities used by the existing High Energy Physics network (HEPnet) and the Magnetic Fusion Energy network (MFENET) giving these networks increased bandwidth and connectivity (see also HEPnet and MFENET).
ESO
Environment and Safety Officer, also Environment and Safety Office. See also ES&H
ESO
European Southern Observatory. An European organization for astronomical research.
ESO
Electrical Safety Officer. (SLAC)
ESR
Electron Spin Resonance.
ESR
Experimental Storage Ring. (Darmstadt)
ESRD
Experimental Systems and Research Department
ESRF
European Synchrotron Radiation Facility. (Grenoble, France)
ESS
European Spallation Source. (Lund, Sweden)
ESS
Energy Summer School.
ESSM
Extended Supersymmetric Standard Model.
ESTB
End Station Test Beam.
ESTRO
European Society for Therapeutic in Radiology and Oncology.
ESUO
European Synchrotron User Organization.
ESWP
Elevated Surface Work Plan.
ETA
Linear Energy Dispersion (for the Greek letter eta).
ETA
East Turn Around. The positron transport line after the booster where the line turns back west to the beginning of the LINAC (for re-injection).
ETA
Employee Training Assessment.
ETC
Extended TechniColor
ETC
Estimate To Complete.
ETE
|A series of pre-launch operations tests designed to exercise LAT and ground system functions.|
  Glast Category: operations
ETE
A series of tests (ETE1-6) that include: providing Level 1 data products to the GLAST Science Support Center(GSSC), providing instrument commands and file loads, and exercising regression testing. The final ETE is conducted at the launch facility.
  Glast Category: general, operations
ETH
Swiss Federal Institute of Technology (Zurich).
Ethernet
A lower-level network protocol, originally developed by Xerox Corporation, used to communicate between computers in a local network (LAN). Communication takes place by means of modulation of radio frequency signals. On an Ethernet, interface cards share a common cable by listening before transmission and transmitting only during a break in traffic, a technique called 'carrier-sense multiple access w/collision detection (CSMA/CD)'.
Ethernet 10BaseT
An Ethernet configuration using unshielded twisted pair wire and a small plastic connector (RJ-45) to connect workstations, printers, etc. on an Ethernet.
ETOILE
Espace de Traitement Oncologique par Ions Legers dans le cadre Europeen, a national center for light-ion hadron therapay in Franc e.
ETR
Estimated Time of Repair.
ETS
Engineering and Technical Support.(SLAC)
EuCARD
European Co-ordination for Accelerator Research and Development.
EUDET
European-Union-funded project assembling 31 European institutes and 20 international associates to prepare infrastructures for the ILC.
Eudora
A popular e-mail client server developed by QUALCOMM, Inc.
EUP
Experimental Use Permit. (from FIFRA)
Euro NNAC
European Network for Novel ACcelerators.
European Academic Research Network
See EARN.
EUROTeV
EUROpean design study towards a global TeV linear collider.
EUV
Extreme Ultraviolet
eV
Electron Volt. A unit of energy equal to the work done by moving an electron across a potential difference of one volt. A measure of particle energy or relativistic mass (when normalized with c-1).
EV
Earned Value.
EVE
A text editing program for the VAX.
EVLA
Expanded Very Large Array.
EVMS
Earned Value Management System. (DOE certification)
EW
ElectroWeak
EW
Eye Wash.
EWP
ElectroWeak Penguins
EWP
Electrical Work Plan.
EWP
Electrical Work Plan.
EWPT
ElectroWeak Phase Transition.
EWS
Employee Web Site. (Taleo)
EWSB
Electro-Weak Symmetry Breaking.
EXAFS
Extended X-ray Absorption-edge Fine Structure.
Exception Report
A report that generators who transport waste off-site must submit if they do not receive a properly completed copy of their manifest within 45 days of the date on which the initial transporter accepted the waste.
excitons
electron-hole pairs
EXE
EXEcutable program image file.
Executable Program Image File
See EXE.
EXELFS
EXtended Electron Fine Structure
Exempt Solvent
Specific organic compounds that are not subject to requirements of regulation because they have been deemed by EPA to be of negligible photochemical reactivity.
Exempted Aquifer
Underground bodies of water defined in the Underground Injection Control program as aquifers that are sources of drinking water (although they are not being used as such) and that are exempted from regulations barring underground injection activities.
Exergy
The useful portion of energy.
EXIST
Energetic X-ray Imaging Survey Telescope (proposed).
EXO
Enriched Xenon Observatory.
EXPAT
Extensible Markup Language (XML) parser.
  Glast Category: package
  URL: http://www.xml.com/pub/a/98/10/guide0.html
Experiment
In high energy physics, a research activity that makes use of an accelerator/detector and is individually numbered and named by the relevant national laboratory.
Experiment Schedule
See Operations Schedule.
Experiment String
A series of experiments that are linked together by overlapping research interests and overlapping individual and institutional members of a collaboration.
Expert System
A method and technique for constructing human-machine systems with specialized problem-solving expertise. The pursuit of this area of artificial intelligence research has emphasized the knowledge that underlies human expertise and has simultaneously decreased the apparent significance of domain- independent problem-solving theory. An expert system assists or replaces an expert to solve problems.
Exposure
The amount of radiation or pollutant present in an environment which represents a potential health threat to the living organisms in that environment.
Exterior Gateway Protocol
See EGP.
Extraction Positron 1
See EP01.
Extraction Positron 2
See EP02.
Extraction Procedure Toxicity
See EP Toxicity.
Extremely Hazardous Substances
Any of 406 chemicals identified by EPA on the basis of toxicity, and listed under SARA Title III. The list is subject to revision.
EXTRL
EXTRaction Line.
EYH
Expanding Your Horizons. (NGO)
EYM
Einstein-Yang-Mills
EYMD
Einstein-Yang-Mills dilation

Send corrections to jmdeken@slac.stanford.edu or propose new terms for SLACspeak.

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