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SLACspeak Terms

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I
The physical symbol that indicates current flow in an electrical circuit.
I&C
Instrumentation and Control. Obsolete. See CD.
I/O
Input/Output.
IAB
Internet Architecture Board. A technical advisory group of the Internet Society, whose responsibilties include overseeing the Internet Engineering Task Force (IETF) and the Internet Standards process, and publishing and managing Request for Comments (RFCs).
IACT
The actual current in a magnet displayed by the computer at the last update.
IACT
Imaging Air Cherenkov Telescopes.
IAEA
International Atomic Energy Agency.
IARC
International Agency for Research on Cancer.
IAS
Integrated Assessment Schedule.
IAT
Initial Acceptance Testing.
iAT
it's About Time (SLAC Time & Attendance system).
IATA
International Air Transport Association.
IATO
Interim Authority to Operate. (DOE)
IBBH
Intermediate Binary Black Hole
IBFFM
Interacting Boson-Fermion-Fermion Model
IBL
Inserted B-Layer project (ATLAS).
IBM
Interactive Boson Model
IC
Ionization Chamber. A device for detecting ionizing radiation consisting of two high-voltage electrodes in a gas- filled chamber. The current passing between these electrodes through the ionized gas is proportional to the level of radiation causing the ionization. It is often used in beam lines to detect beam loss. Also a VAX primary.
IC
Integrated Circuit.
IC
Incident Commander.
ICALEPCS
International Conference on Accelerator and Large Experimental Physics and Control Systems.
ICAO
International Civil Aviation Organization.
ICAP
International Computational Accelerator Physics.
ICARUS
Imagining Cosmic and Rare Underground Signals (detector, Gran Sasso, Italy)
ICB
International Collaboration Board (ILC).
ICC
International Code Council.
ICCB
Institutional Change Control Board. (SLAC)
ICD
Instrumentation and Controls Division (Accelerator Directorate)
ICE
Independent Cost Estimate.
ICEC
International Cryogenice Engineering Conference.
IceCube
A neutrino detector / telescope at the South Pole. .
ICEG
International Cryogenic Engineering Conference.
ICET
ILC Cost Estimating Tool.
ICFA
International Committee for Future Accelerators.
ICHEP
International Conference on High Energy Physics.
ICLRT
International Center for Lightning Research and Testing.(FL)
ICM
IntraCluster Media
ICMP
Internet Control Message Protocol. See PING.
ICMP
Internet Control Message Protocol (see PING)
ICP
Institutional Capital Projects. (SLAC)
ICRP
International Commission on Radiological Protection.
ICRU
International Commission on Radiation Units and measurements.
ICS
Incident Command System.
ICS
Inverse Compton Scattering
ICSC
International Committee for Science Communication.
ICSC
International Centre for Scientific Culture.
ICSM
Integrated CyberSecurity Management.
ICSU
International Council for Science.
ICUIL
International Committee on Ultra-high Intensity Lasers.
ID
Inner Detector.
IDA
Institute for Defense Analysis.
IDAG
International Detector Advisory Group. (ILC)
IDE
Integrated Development Environment.
IDEAS
Initiative to Develop Education through Astronomy and Space scienc e.
IDIM
Isolated Digital Input Module. A CAMAC module with 32 individuals status input bits.
IDIQ
Indefinite Delivery, Indefinite Quantity (contract).
IDLH
Immediately Dangerous to Life and Health. An atmospheric level of a substance which will result in death or irreversible illness to an individual exposed for more than 30 minutes.
iDM
inelastic Dark Matter.
IDOM
Isolated Digital Output Module. A CAMAC module with 32 channels of opto-isolated output incorporating full control and read-back of output conditions.
IDT
Inter-Disciplinary Team.
IE
Invert Elevation (with reference to bottom of pipe).
IEEE
Institute of Electrical and Electronics Engineers.
IEPM
Internet End-to-end Performance Monitoring.
IETF
Internet Engineering Task Force. One of the task forces of the IAB. The IETF is responsible for solving short-term engineering needs of the Internet.
IFB
Invitation For Bids.
IFC
International Fire Code.
IFC
International Finance Committee (BaBar).
IFEFFIT
An inteactive program for XAFS analysis. (Matt Newville, CARS, Uni versity of Chicago).
IFEL
Inverse Free Electron Laser
IFP
Initial Financial Plans. (SLAC)
IFR
Instrument/instrumented Flux Return.
IFSH
Institut fur Friedensfoschung und SicherHeitspolitik (Universitat Hamburg). (Institute for Peace Research and Security Policy).
IG
Inspector General.
IGBT
Insulated Gate Bipolar Transistor.
IGCC
Institute on Global Conflict and Cooperation.
IGEC
International Gravitational Event Collaboration (US, Italy, CERN, Australia)
IGES
Initial Graphics Exchange Standard.
IGFD
Insulin-like Growth Factor Deficiency.
IGM
Inter-Galactic Medium
Ignitable
Capable of burning or causing a fire.
IGP
Interior Gateway Protocol. The generic term applied to any protocol used to propagate network reachability and routing information within an autonomous system.
IGP
Intra-net Gateway Portal. (SLAC)
IGPE
Institutional General Purpose Equipment.
IGPP
Institutional General Plant Projects. (SLAC)
IGRT
Image Guided RadioTherapy.
IH
Industrial Hygiene.
IHEM
In-House Energy Management.
IHEP
Institute for High Energy Physics (Protvino, Russia)
IHEP
Institute for High Energy Physics (Beijing, PRC)
IIA
Internal Independent Assessment.
IISS
International Institute for Strategic Studies.
IKE
Interactive Klystron Evaluation.
ILC
InterLaboratory Collaboration (for R&D towards TeV-scale Electron-Positron Linear Colliders)
ILC
International Linear Collider.
ILC-TRC
International Linear Collider - Technical Review Committee.
ILCSC
International Linear Collider Steering Committee (ICFA).
ILCSG
International Linear Collider Steering Group.
ILCTA
International Linear Collider Test Accelerator (FermiLab).
ILD
International Large Detector concept (ILC). A combination of the f ormer LDC and GLD detector designs.
ILL
Institut Laue Langevin. (France)
IM&PS
Information Management and Portal Services. (SLAC)
IMAP
Internet Message Access Protocol.
IMB
Irvine-Michigan-Brookhaven underground Cherenkov detector experiment.
IMB-3
Irvine-Michigan-Brookhaven underground Cherenkov detector experiment.
IMCO
Intergovernmental Maritime Consultative Organization.
IMDG
International Maritime Dangerous Goods Code. (49 CFR)
IMF
Intermediate Mass Fragment
IMM
Package providing other FSW systems with low-level memory allocation routines.
  Glast Category: FSW, package
Immediately Dangerous to Life and Health level
See IDLH.
IMMO
1 min, 1 max, for operating conditions.
IMO
International Maritime Organization.
IMP
Institute for Modern Physics, of the Chinese Academy of Sciences.
Impoundment
A body of water or sludge confined by a dam, dike, floodgate, or other barrier.
IMPT
Intensity-Modulated Proton Treatment / Therapy.
IMRT
Intensity-Modulated Radiation Treatment.
IMS
Intelligent Motion Systems (Inc.)
ImSim
IMage SIMulator. (LSST)
Incineration
A treatment technology involving destruction of waste by controlled burning at high temperatures, e.g., burning sludge to remove the water and reduce the remaining residues to a safe, non-burnable ash which can be disposed of safely on land, in some waters, or in underground locations.
Incineration
Burning of certain types of solid, liquid, or gaseous materials.
Incinerator
A furnace for burning wastes under controlled conditions.
INCITE
Innovative and Novel Computational Impact on Theory and Experiment program (DOE).
INCREASE
INterdisciplinary Consortium for Research and Educational Access i n Science and Engineering.
INDU
magnetic INDUction.
Indus-II
Synchrotron light source at RRCAT. (India)
Indus-1
Electron storage ring, the first synchrotron radiation source designed and developed in India.
INEL
Idaho National Engineering Laboratory (now Idaho National Engineer ing and Environmental Laboratory (INEEL).
Inert
Exhibiting no chemical activity, totally unreactive.
INFN
Istituto Nazionale di Fisica Nucleare (The Italian National Institute for Nuclear Physics, Frascati)
INFN-CNAF
Centro Nazionale per la Ricerca e Sviluppo nelle Tecnologie Informatiche e Telematiche. (the INFN National Center for Telematics and Informatics)
InGrid
An InteGrated micromegas.
Initial Program Load
See IPL.
INL
Idaho National Laboratory. (DOE)
Inorganic Chemicals
A large group of chemicals in which carbon atoms are generally not included, includes oxides, acids, bases, and salts.
INP
Institute of Nuclear Problems, of the USSR Academy of Sciences.
INR
Institute for Nuclear Research, of the russian academy of sciences in moscow.
INSPEC
INformation Services for the Physics and Engineering Communities.
INSPIRE
INvenio plus SPIREs. The next-generation high-energy physics infor mation system. (2008)
INTEGRAL
INTERnational Gamma-Ray Astrophysics Laboratory (ESA).
Integrated Services Digital Network
See ISDN.
Interaction Point
See IP.
Interim Status
Allows owners and operators of TSDs that were in existence, or for which construction had commenced, prior to November 19, 1980 to continue to operate without a permit after this date pending final permit issuance. (from RCRA)
Interior Gateway Protocol
See IGP.
International Organization for Standardization
See ISO.
Internet
A decentralized, global network connecting millions of computers worldwide. Each Internet computer, called a host, is independent, and its operators can choose which Internet services to use and which local services to make available to the global Internet community.
Internet Address
A 32-bit address assigned to hosts using TCP/IP.
Internet Number
The dotted-quad address used to specify a certain system. The Internet number for the site, cs.widener.edu, is: 147.31.254.130. A resolver is used to translate between hostnames and Internet addresses.
Interoperate
The ability of multi-vendor computers to work together using a common set of protocols.
Interstitial Monitoring
The continuous surveillance of the space between the walls of an underground storage tank.
INTGR
INTeGRation.
Invar
Alloy prized for its resistance to changing shape with changes in temperature.
Inventory
TSCA inventory of chemicals produced pursuant to Section 8(b) of the Toxic Substances Control Act.
Inverse barn
A barn is a unit of area (10 to the minus 24 centimeters squared) used to measure the chance that something will happen when two par ticles collide. An inverse barn is the total number of collisions in a given period of time. Also called integrated luminosity.
IN2P3
Institut National de Physique Nucleaire et de Physique des Particules (France).
IO
International Organization.(ITER)
IOC
Instrument Operation Center (GLAST).
IOC
|The are two IOCs for GLAST, the GBM Instrument Operations Center (GIOC) and the LAT Instrument Science Operations Center (ISOC). Also see LISOC.|
  Glast Category: organization
Ion Chamber
See IC.
Ion Gauge
See Ionization Gauge.
Ion Pump
A type of vacuum pump in which ionized gas molecules are attracted to a cathode by a high voltage where they remain trapped.
IONC
See IC.
Ionization
Ionization is the process of removing electrons from neutral atoms and thereby producing ions. Because radiation causes ionization, this effect is often used to detect stray beams in particle accelerators and particle detectors.
Ionization Chamber
See IC.
Ionization Gauge
A high-accuracy vacuum gauge consisting of a vacuum tube whose emission current is proportional to the density of residual ions in the volume in which the tube is immersed.
Ionizing Radiation
Radiation of sufficiently high energy to cause ionization of the medium through which it passes. Ionizing radiation can cause extensive damage to biological tissues.
iOS
Apple's mobile operating system. (was iPhone OS)
IP
Interaction Point. The point where two beams collide.
IP
Internet Protocol. The network layer protocol for the Internet protocol suite.
IP
Inflation Probe.
IP
Implementation Planning. (SLAC Office of Compliance)
IP
Ion Pump.
IP / RP
Intellectual Property / Research Partnerships (SLAC).
IP Datagram
The basic unit of information passed across the Internet. An IP datagram is to the Internet as a hardware packet is to a physical network. It contains a source and destination address along with data. Large messages are broken down into a sequence of IP datagrams.
IPAM
IP Address Management. (Computing)
IPCMS
Institute of Physics and Chemistry of Strasbourg.
IPL
Initial Program Load. A klystron CUD message indicating that the klystron PIOP needs to be IPLed.
IPL
Initial Program Load. On VAX system, it is used to re-boot or initialize a COW or other micro.
IPLB
Inverse Power Law.
IPM
Integrated Performance Management. (DOE)
IPM
Intensity Position Monitor.
IPM
Ionization Profile Monitor.
IPMC
Intelligent Platform Management Controller.
IPMI
Intelligent Platform Managment Interface.
IPMO
Integrated Performance Management Office (SLAC).
IPMU
Institute for the Physics and Mathematics of the Universe. Kavli F oundation institute at the University of Tokyo.
IPN
Institut für die Pädagogik de Naturwissenschaften. (the Leibniz Institute for Science Education at the University of Kiel)
IPNS
Intense Pulse Neutron Source (Argonne)
IPNS
Institute of Particle and Nuclear Science. (KEK)
IPP
canadian Institute of Particle Physics.
IPPP
Institute for Particle Physics Phenomenology.(Durham)
IPR
Intellectual Property Rights.
IPR
Interrupt Pending Register.
IPR
Independent Project Review.
IPRP
Intellectual Property and Research Partnerships. (SLAC)
IPRV
The last recorded current that was within tolerance.
iPS
induced Pluripotent Stemcell.
IPT
Integrated Project Team.
IPT
Itegrated Project Team.
IPWA
energy-Independent Partial-Wave Analysis
IQHE
Integer Quantum Hall Effect
IR
Interaction Region.
IR
InfraRed
IRAS
InfraRed Astronomical Satellite
IRB
Independent Review Board. (SLAC OCIO)
IRC
Infrastructure Review Committee. (SLAC)
IREN
Intense Resonance Neutron Source.
IRENG
Interaction Region ENGineering design workshop (ILC).
IREP
Interactive RadioEpidemiological Program.
IRF
IRFs describe LAT performance in terms of transformation probability from a true physical quantity (i.e., energy and direction of photons) to the corresponding measured quantity. It is important to note that the IRFs depend not only on the instrument itself, but also on the reconstruction algorithms, the background rejection algorithm, and on the selection of events.
  Glast Category: hardware
IRFs
Instrument Response Functions. (GLAST)
IRG
Institutional Reading Group (BaBar).
Iris
The holes on both sides of an accelerator section or RF cavity.
Iris
An aperture in an optical system. Profile monitor cameras have adjustable irises to regulate the light intensity.
iRODS
integrated rule based data management system for the data grid.
IRP
Integrated Resource Plan (WAPA).
IRR
Instrument Readiness Review. (LCLS)
IRTF
Internet Research Task Force. One of the task forces of the IAB. The group responsible for research and development of Internet protocol suite.
IRTF
Infra-Red Telescope Facility. (Hawaii)
ISA
Industry Standard Architecture.
ISAC
Isotope Separator and ACcelerator
ISC
Integrated Support Center. (DOE)
ISD
Interim Status Document.
ISDC
Instrument Science Operations Center. (GLAST)
ISDN
Integrated Services Digital Network. An international communication standard for sending voice, video, and data over telephone lines.
ISEMS
Integrated Safety and Environmental Management System.
ISF
Israel Science Foundation.
ISG
International Study Group (NLC)
ISGC
International Symposium on Grid Computing. (Taipei)
ISGW
Isgur-Scora-Grinstein-Wise
ISI
Initial State Intercation
ISIS
LAT interface simulator used by General Dynamics to test LAT/Spacecraft interface.
  Glast Category: hardware
ISIS
Spallation neutron source at the Rutherford Appleton Laboratory (UK).
ISM
Inter-Stellar Matter.
ISM
Integrated Safety Management (the concept of the process).
ISMS
Integrated Safety Management System (DOE program).
ISO
International Organization for Standardization. Coordinator of the main networking standards that are put into use today.
ISO Layer
One of the seven layers of the International Standards Organization (ISO) Open Systems Interconnection (OSI) reference model.
ISOC
Instrument Science Operations Center.(GLAST)
ISOC
Organization responsible for defining how the LAT is operated, monitoring its health and safety, and maximizing its science performance.
  Glast Category: organization
  URL: http://glast-isoc.slac.stanford.edu/
ISODARCO
International School On Disarmament And Research on COnflicts (Italian Pugwash Group).
ISOL
Isotope Separator OnLine
Isolated Digital Input Module
See IDIM.
Isolated Digital Output Module
See IDOM.
ISOLDE
On-line radioactive beam source at CERN
ISP
Internet Service Provider.
ISPA
Imaging Silicon Pixel Array
ISR
see CERN ISR
ISR
Inital-State Radiation.
ISSC
International SKA Steering Committee.
ISSM
Integrated Safeguards and Security Management.
ISSP
Institute for Solid State Physics.
ITAPS
Interoperable Technologies for Advanced Petascale Simulations.
ITAR
International Traffic in Arms Regulations.
ITCAP
International Technical Assistance and Cooperation.
ITDS
Information Technology Departmental Support group. (SLAC)
ITEP
Institute of Theoretical and Experimental Physics (Moscow)
ITER
International fusion experiment aimed at demonstrating the scientific and technological feasibility of fusion energy. Project partners are China, the Euorpean Union, India, Japan, Russia, South Korea and the United States. (Formerly interpreted as International Thermonuclear Experimental Reactor.)
ITF
Injector Test Facility.
ITIL
Information Technology Infrastructure Library.
ITOS
A satellite control and monitoring system.
  Glast Category: software
  URL: http://itos.gsfc.nasa.gov/
ITPMO
Information Technology Project Management Office.
ITRP
International Technology Recommendation Panel (ICFA).
ITRY
A magnet parameter indicating the maximum allowed number of tries (or attempts) to trim.
ITSC
Information Technology Sub-Council. (SLAC)
ITSR
Imaging Techniques with Synchrotron Radiation. (International work shop)
IUA
ITER Unit of Account.
IUCF
Indiana University Cyclotron Facility.
IUPAP
International Union of Pure and Applied Physics.
IV
Isolation Vacuum valve (slow), manually operated accelerator valve .
IVA
A database polynomial to convert ADC volts to magnet current.
IVBD
A function which converts magnet current to B field units when the magnet is on the way down, or being powered down (derived from magnetic measurements data).
IVBU
A function which converts magnet current to B field units when the magnet is being powered up, or the field is increasing (derived from magnetic measurements data).
IW-BMP
Industrial Wastewater - Best Management Plan.
IWP
Israel-Wilson-Perjes
IXO
International X-ray Observatory.

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

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