- 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.
- 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.
- EBK
- Einstein-Brillouin-Keller
- EBL
- Extragalactic Background Light.
- EC
- Experimental Group C.
- EC
- Executive Committee. (ILC)
- ECCO
- Eikonal Cascade COde
- ECFA
- European Committe on Future Accelerators
- ECI
- Electron Cloud Instability.
- 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
- 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.
- EDM
- Electric Dipole Moment
- EDM
- Electric Discharge Machining.
- 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.
- EEIP
- Electrical Equipment Inspection Program (SLAC).
- EELA
- E-infrastructure shared between Europe and Latin America.
- 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, a part of SLAC's
Research Division.
- 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.
- 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.
- 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
- EM
- ElectroMagnetic.
- 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.
- 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.)
- 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
- 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.
- 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).
- 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
- 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
- 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
- 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
- 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.
- ERAB
- Energy Research Advisory Board.
- ERAP
- Emergency Readiness Assurance Plan.
- 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.
- 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.
- ESD
- Electronics and Software engineering Department (SLAC).
Created October, 2000 when former Controls and Power Conversion
Departments were combined.
- 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.
- 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.
- ESRD
- Experimental Systems and Research Department
- ESRF
- European Synchrotron Radiation Facility. (Grenoble, France)
- ESS
- European Spallation Source
- ESSM
- Extended Supersymmetric Standard Model.
- ESTRO
- European Society for Therapeutic in Radiology and Oncology.
- 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
- 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
- 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.
- 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)
- 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).
- EVE
- A text editing program for the VAX.
- EVLA
- Expanded Very Large Array.
- EW
- ElectroWeak
- EWP
- ElectroWeak Penguins
- EWP
- Electrical Work Plan.
- EWP
- Electrical Work Plan.
- 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.
- EXIST
- Energetic X-ray Imaging Survey Telescope (proposed).
- EXO
- Enriched Xenon Observatory. (proposed)
- 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.
- EYM
- Einstein-Yang-Mills
- EYMD
- Einstein-Yang-Mills dilation
Send corrections to jmdeken@slac.stanford.edu
or propose new terms for SLACspeak.
