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transition radiation detector (TRD) is a particle detector using the Lorentz factor ( γ {\displaystyle \gamma } )-dependent threshold of transition radiation
Transition_radiation_detector
Transition radiation (TR) is a form of electromagnetic radiation emitted when a charged particle passes through inhomogeneous media, such as a boundary
Transition_radiation
Device used to detect, track, and/or identify ionising particles
nuclear physics, and nuclear engineering, a particle detector, also known as a radiation detector, is a device used to detect, track, and/or identify ionizing
Particle_detector
tracker with silicon photomultiplier (SiPM) readout, and a transition radiation detector in combination with a permanent magnet to measure particle fluxes
PERDaix
Detector experiment at CERN
over the years, including the muon spectrometer in 1995, the transition radiation detectors in 1999, and a large jet calorimeter in 2007.[citation needed]
ALICE_experiment
CERN LHC experiment
The Transition Radiation Tracker (TRT), the outermost component of the inner detector, is a combination of a straw tracker and a transition radiation detector
ATLAS_experiment
Topics referred to by the same term
Rail station code Trondheim Airport, Værnes, IATA airport code Transition radiation detector Trinidad and Tobago, ITU country code This disambiguation page
TRD
Electromagnetic radiation from a charged particle in a medium
"Technical Note: Time-gating to medical linear accelerator pulses: Stray radiation detector". Medical Physics. 46 (2): 1044–1048. doi:10.1002/mp.13311. PMC 7122787
Cherenkov_radiation
Cryogenic energy sensor or particle detector
A transition-edge sensor (TES) is a type of cryogenic energy sensor or cryogenic particle detector that exploits the strongly temperature-dependent resistance
Transition-edge_sensor
Material which glows when excited by ionizing radiation
correspondence depends on the type of transition and hence the wavelength of the emitted optical photon. A scintillation detector or scintillation counter is obtained
Scintillator
Transition Radiation Array for Cosmic Energetic Radiation (TRACER) is a balloon flown cosmic ray detector built and designed at the University of Chicago
TRACER_(cosmic_ray_detector)
Harmful high-frequency radiation
biological and radiation chemistry. Alpha radiation is used in static eliminators and smoke detectors. The sterilizing effects of ionizing radiation are useful
Ionizing_radiation
Class of scientific instruments
development of cryogenic detectors for optical and infrared radiation.[1] Later, particle physics and cosmology motivated cryogenic detector development for sensing
Cryogenic_particle_detector
Aspect of relativity in physics
gravitational-wave detectors Linearized gravity Peres metric pp-wave spacetime, for an important class of exact solutions modelling gravitational radiation Spin-flip
Gravitational_wave
Elementary particle which moves close to the speed of light
different dielectric constants emits transition radiation. This is exploited in the transition radiation detectors of high-velocity particles. Relativistic
Relativistic_particle
Experiment to determine the composition of cosmic rays
measurements are accomplished using a timing-based charge detector and transition radiation detector sent to an altitude of at least 34 km (21 mi) with aid
Cosmic Ray Energetics and Mass Experiment
Cosmic_Ray_Energetics_and_Mass_Experiment
Photodetector sensitive to infrared radiation
cascade detector (QCD) is a photodetector sensitive to infrared radiation. The absorption of incident light is mediated by intersubband transitions in a
Quantum_cascade_detector
Soviet Armenian physicist (1924–1991)
for developing the Theory of Transition Radiation and showing the feasibility of functional transition radiation detectors (TRDs). G.M.Garibian was born
Gregory_Garibian
Soviet physicist (1908-1978)
were awarded the Lenin Prize. Later he initiated work on x-ray transition radiation detectors. Alikhanian's works are dedicated to nuclear physics, cosmic
Artem_Alikhanian
Form of electromagnetic radiation
Spectrometers and radiometers are made for measurement of UV radiation. Silicon detectors are used across the spectrum. Vacuum ultraviolet, Vacuum UV,
Ultraviolet
Infrared imaging used to reveal temperature
short descriptions of redirect targets Infrared detector – Detector that reacts to infrared (IR) radiation Infrared photography – Near-infrared imaging Infrared
Thermography
Part of a Geiger counter
gaseous detectors showing ion current against applied voltage. While it is a robust and inexpensive detector, the G–M is unable to measure high radiation rates
Geiger–Müller_tube
Physical model of propagating energy
light between emitter and detector/eye, then emit them in all directions. A dark band appears to the detector, due to the radiation scattered out of the light
Electromagnetic_radiation
High-energy particle, mainly originating outside the Solar System
Machine TRACER (cosmic ray detector) Central nervous system effects from radiation exposure during spaceflight – Space radiation effects on the brain Cosmic
Cosmic_ray
Quantitative study of the energy spectra of gamma-ray sources
spectrometer are the energy-sensitive radiation detector and the electronic devices that analyse the detector output signals, such as a pulse sorter
Gamma_spectroscopy
Penetrating form of electromagnetic radiation
A gamma ray, also known as gamma radiation (symbol γ), is a penetrating form of electromagnetic radiation arising from high-energy interactions like the
Gamma_ray
Counting photons using a single-photon detector
single-photon avalanche diodes, superconducting nanowire single-photon detectors, transition edge sensors, and scintillation counters. Charge-coupled devices
Photon_counting
Range 300-3000 GHz of the electromagnetic spectrum
waves, especially in astronomy. This band of electromagnetic radiation lies within the transition region between microwave and far infrared and can be regarded
Terahertz_radiation
Apparatus that filters scattered and incident radiation
Bucky-Potter grid) is a device for limiting the amount of scattered radiation reaching the detector, thereby improving the quality of diagnostic medical x-ray
Anti-scatter_grid
behind and in front of a dipole magnet, an ionisation chamber, a transition radiation detector, and an electromagnetic calorimeter. The spectrometer is placed
UA6_experiment
Kinematic prediction of quantum field theory for an accelerating observer
in the detector is accompanied by the emission of a particle, and that this particle will propagate to infinity and be seen as Unruh radiation. Smolyaninov
Unruh_effect
Spectroscopic techniques that measure the absorption of radiation
the radiation and the absorber. This interaction is quantified by the transition moment and depends on the particular lower state the transition starts
Absorption_spectroscopy
cosmic radiation. During Curiosity's mission to Mars, a Radiation Assessment Detector (RAD) was used to measure radiation exposure. The radiation exposure
History of radiation protection
History_of_radiation_protection
Gas ionization process
The incident radiation will ionise atoms or molecules in the gaseous medium to produce ion pairs, but different use is made by each detector type of the
Townsend_discharge
Device detecting tiny amounts of explosives
customs ports. These detectors cannot be field serviced and may pose radiation hazard to the operator if the casing of the detector cracks due to mishandling
Explosives_trace_detector
Electromagnetic radiation generated by the thermal motion of particles
Thermal radiation is electromagnetic radiation emitted by the thermal motion of particles in matter. All matter with a temperature greater than absolute
Thermal_radiation
Medical imaging procedure
radiology technologists. CT scanners use a rotating X-ray tube and a row of detectors placed in a gantry to measure X-ray attenuations by different tissues
CT_scan
Particle detector on the International Space Station
rejected. From top to bottom the subsystems are identified as: Transition radiation detector measures the velocities of the highest energy particles; Upper
Alpha_Magnetic_Spectrometer
German physicist
experiment CERES/NA45 and directed the developed the ALICE Transition Radiation Detector. Stachel was elected President of the German Physical Society
Johanna_Stachel
Class of solid-state x-ray digital radiography devices
Flat-panel detectors are a class of solid-state x-ray digital radiography devices similar in principle to the image sensors used in digital photography
Flat-panel_detector
Form of electromagnetic radiation
diodes (LEDs) to emit infrared radiation that may be concentrated by a lens into a beam that the user aims at the detector. The beam is modulated, i.e.
Infrared
Spectral density of light emitted by a black body
In physics, Planck's law (also Planck radiation law) describes the spectral density of electromagnetic radiation emitted by a black body in thermal equilibrium
Planck's_law
Telescope designed to observe remote objects by detecting X-rays
(focusing or collimating) that collect the radiation entering the telescope, and the detector, with which the radiation is collected and measured. A variety
X-ray_telescope
Atom that has excess nuclear energy, making it unstable
and gamma radiation to become neptunium-237. Smoke detectors use a very small quantity of 241Am (about 0.29 micrograms per smoke detector) in the form
Radionuclide
Emission of secondary X-rays from a material excited by high-energy X-rays
Thompson, A. (2020). "Modern X-ray detector technologies: a comparative review". Journal of Synchrotron Radiation. 27: 1234–1247. Bergmann, U. (2021)
X-ray_fluorescence
Zone of energetic charged particles around the planet Earth
theoretical basis for the formation of radiation belts. The second Soviet satellite Sputnik 2 which had detectors designed by Sergei Vernov, followed by
Van_Allen_radiation_belt
Two-terminal electronic component
This effect is sometimes exploited by particle detectors to detect radiation. A single particle of radiation, with thousands or millions of electron volt
Diode
Sensors of light or other electromagnetic energy
detectors are employed in gamma and X-ray spectrometry and as particle detectors.[citation needed] Silicon drift detectors (SDDs) are X-ray radiation
Photodetector
History of radiation-based medical imaging
rotate the sample while keeping the source and detector stationary. Longer scan times and higher radiation doses are generally acceptable in such settings
History of computed tomography
History_of_computed_tomography
Russian nuclear physicist (1928–2022)
the energy range 100-300 GeV. Later she started to work with Transition Radiation Detector prototypes, which were rather new at this time and which required
Alevtina_Shmeleva
Form of electromagnetic radiation
now mostly replaced by various digital detector types such as image plates and flat panel detectors. For radiation protection direct exposure hazard is
X-ray
state Transition point Transition radiation Transition radiation detector Transition radiation tracker Transition rule Translation (physics) Translational
Index_of_physics_articles_(T)
Electromagnetic radiation with wavelengths from 1 m to 1 mm
Microwave is a form of electromagnetic radiation with wavelengths shorter than other radio waves but longer than infrared waves. Its wavelength ranges
Microwave
World War II radar research organization at the Massachusetts Institute of Technology
The Radiation Laboratory (commonly called the Rad Lab) was a radar research program operating at the Massachusetts Institute of Technology (MIT) during
MIT_Radiation_Laboratory
Chemical compound
compound with the chemical formula LiF. It is a colorless solid that transitions to white with decreasing crystal size. Its structure is analogous to
Lithium_fluoride
Japanese underground gravitational wave detector
The Kamioka Gravitational Wave Detector (KAGRA) is a large-scale physics experiment designed to detect gravitational waves predicted by the general theory
Kamioka Gravitational Wave Detector
Kamioka_Gravitational_Wave_Detector
Topics referred to by the same term
purposes TRACER (cosmic ray detector) (Transition Radiation Array for Cosmic Energetic Radiation), a balloon-borne cosmic ray detector Tracers, a colloquialism
Tracer
Range of spectroscopic analysis
monochromator to separate the different wavelengths of light, and a detector. The radiation source is often a tungsten filament (300–2500 nm), a deuterium
Ultraviolet–visible spectroscopy
Ultraviolet–visible_spectroscopy
Hypothetical black hole formed soon after the Big Bang
that formed soon after the Big Bang. In the inflationary era and early radiation-dominated universe, extremely dense pockets of subatomic matter may have
Primordial_black_hole
Electronic device
intersubband transition in multiple quantum wells (MQW) that prompted more serious consideration into using quantum wells for infrared detectors. Previously
Quantum well infrared photodetector
Quantum_well_infrared_photodetector
Technology that involves the reactions of atomic nuclei
Betavoltaics. Smoke detector: An ionization smoke detector includes a tiny mass of radioactive americium-241, which is a source of alpha radiation. Two ionisation
Nuclear_technology
Technique for the characterisation of crystalline materials
sample-to-detector distance, Δ {\displaystyle \Delta } is the correction for the sample-to-detector distance (corrected sample-to-detector distance D
Rietveld_refinement
Gamma radiation measurement technique
technique that allows the measurement of the gamma radiation emitted in the different nuclear gamma transitions that may take place in the daughter nucleus after
Total_absorption_spectroscopy
Device used in gravitational wave observatories
A Weber bar is a type of resonant mass gravitational wave detector designed to detect gravitational waves, devised and constructed by physicist Joseph
Weber_bar
Device for producing coherent EM waves in the sub-visible spectrum
energy level of the lasing transition. From this state, the atoms can decay to the lower state and emit some microwave radiation. A high Q factor (quality
Maser
Method used for determining the concentrations of elements in many materials
and detector noise, produces a signal which is proportional to the photon energy of the incoming radiation. There are two types of germanium detector, the
Neutron_activation_analysis
Camera to record gamma radiation
or three detectors or heads, are slowly rotated around the patient. A gamma camera consists of one or more flat crystal planes (or detectors) optically
Gamma_camera
Gravitational-wave detector in Italy
scientific instrument near Pisa, Italy, for detecting gravitational waves. The detector is a Michelson interferometer, which can detect the minuscule length variations
Virgo_interferometer
Idealized physical body that absorbs all incident electromagnetic radiation
and radiation-absorbent materials for radar invisibility. They also have application as solar energy collectors, and infrared thermal detectors. As a
Black_body
Single-photon avalanche diode Superconducting nanowire single-photon detector Transition-edge sensor Visible Light Photon Counter Wavefront sensor Barograph
List_of_sensors
droplet by ionizing radiation the superheated droplet undergoes a phase transition and becomes a gas bubble. The PICASSO detectors contain Freon droplets
PICO
Gravitational wave observatory site
frequencies, thereby also mitigating low-frequency radiation pressure noise. A third-generation detector at the existing LIGO sites is being planned under
LIGO
Device used to measure gravitational waves
A gravitational-wave detector (used in a gravitational-wave observatory) is any device designed to measure tiny distortions of spacetime called gravitational
Gravitational-wave observatory
Gravitational-wave_observatory
Spectroscopic technique
Typically, a sample is illuminated with a laser beam. Electromagnetic radiation scattered from the illuminated spot is collected with a lens. Raman scattering
Raman_spectroscopy
History and future of the universe
the energy that was responsible for it was converted into particles and radiation, heating up the universe into a very hot and dense state, initiating the
Chronology_of_the_universe
Particle detector at Cornell University
The CLEO experiment was a particle detector that operated from 1979 to 2008 at the Cornell Electron Storage Ring (CESR). The experiment was designed to
CLEO_(particle_detector)
Capacity of an object to radiate electromagnetic energy
thermal radiation. Thermal radiation is electromagnetic radiation that most commonly includes both visible radiation (light) and infrared radiation, which
Emissivity
Branch of astronomy using gravitational waves
universe processes, such as inflation or a phase transition. Cosmic strings could also emit gravitational radiation if they do exist. Discovery of these gravitational
Gravitational-wave_astronomy
Telescope in the Atacama Desert, northern Chile
optical components and the detector module are kept at a vacuum with a plastic window. A stack of filters reject infra-red radiation which is detrimental for
Atacama_Cosmology_Telescope
Chemical element with atomic number 95 (Am)
as neutron sources for radiation therapy in hospitals. Americium is used in the most common type of household smoke detector, which uses 241Am in the
Americium
Particle physics facility
X-ray range as well as channeling radiation, parametric X-radiation and transition radiation in the hard X-ray range. A list of publications can be found
Mainz_Microtron
Experimental method in X-ray diffraction
projected onto a single dimension. When the scattered radiation is collected on a flat plate detector, the rotational averaging leads to smooth diffraction
Powder_diffraction
Research institute in Armenia
YerPhI is the development of new particle detectors. Wide spark chambers and transition radiation detectors are examples of the experimental techniques
Yerevan_Physics_Institute
Precursor of the free-electron laser
generate radiation. This includes Cherenkov and transition radiation, where the particle moves within the medium which generates the radiation, but also
Smith–Purcell_effect
Emission of secondary X-rays from a material excited by high-energy X-rays
increasing or decreasing the detector angle. In the Von Hamos geometry, a cylindrically bent crystal disperses the radiation along its flat surface's plane
X-ray_emission_spectroscopy
Medical specialty for imaging procedures
to significantly more ionizing radiation than a radiograph. Spiral multidetector CT uses 16, 64, 254, or more detectors during continuous motion of the
Radiology
for developing the Theory of Transition Radiation and showing the feasibility of functional transition radiation detectors (TRDs) Emil Gabrielian (1931–2010)
List_of_Armenian_scientists
Device which detects objects in or around a person's body
higher dosage penetrating radiation which passes through the human body and then is captured by a detector or array of detectors. This type of full body
Full_body_scanner
Technique of measuring electromagnetic spectra
the terahertz detector is gated relative to the source terahertz pulse. A purge box is typically used so that absorption of THz radiation by gaseous water
Terahertz time-domain spectroscopy
Terahertz_time-domain_spectroscopy
Process of removing land mines
are not feasible because the detector and receiver cannot be placed on opposite sides. This leaves emission of radiation from targets and scattering of
Demining
Method of detecting gravitational waves
holes, was made in 2015 by the LIGO sites. As of 2024[update], major detectors are the two LIGO sites in the United States, Virgo in Italy and KAGRA
Ground-based interferometric gravitational-wave search
Ground-based_interferometric_gravitational-wave_search
Projection X-ray of the chest
the patient stands facing a flat surface behind which is an x-ray detector. A radiation source is positioned behind the patient at a standard distance (most
Chest_radiograph
Emission of light by a substance that has absorbed light
substance that has absorbed light or other electromagnetic radiation. When exposed to ultraviolet radiation, many substances will glow (fluoresce) with colored
Fluorescence
slow down the phase transition, allowing for longer periods of detector activity. PICO currently has a 2-liter and a 60-liter detector, with a new version
Direct detection of dark matter
Direct_detection_of_dark_matter
Technique to study materials that have unpaired electrons
are reflection spectrometers, meaning that the detector should only be exposed to microwave radiation coming back from the cavity. This is achieved by
Electron paramagnetic resonance
Electron_paramagnetic_resonance
Inorganic compound
Rutherford and others in the early years of nuclear physics as a scintillation detector, because it emits light upon excitation by x-rays or electron beam, making
Zinc_sulfide
Study of electromagnetic radiation absorbed/emitted by atoms
In physics, atomic spectroscopy is the study of the electromagnetic radiation absorbed and emitted by atoms. Since unique elements have unique emission
Atomic_spectroscopy
Resonant mass antenna
designed to detect gravitational waves. The MiniGRAIL was the first such detector to use a spherical design. It is located at Leiden University in the Netherlands
MiniGrail
Gaseous ionization detectors collect and record the electrons freed from gaseous atoms and molecules by the interaction of radiation released by the source
Radioanalytical_chemistry
Emissions from unstable atomic nuclei
disintegration) is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable nuclei is considered radioactive. Three
Radioactive_decay
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TRANSITION RADIATION-DETECTOR
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