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Scattering of photons off charged particles
Compton scattering (or the Compton effect) is the quantum theory of scattering of a high-frequency photon through an interaction with a charged particle
Compton_scattering
Greatest energy a photon scattered on an electron can transfer to it
gamma-ray spectrometry, the Compton edge is a feature of the measured gamma-ray energy spectrum that results from Compton scattering in the detector material
Compton_edge
Form of electromagnetic radiation
needed] Compton scattering is the predominant interaction between X-rays and soft tissue in medical imaging. Compton scattering is an inelastic scattering of
X-ray
Length used in relativistic quantum physics
introduced by Arthur Compton in 1923 in his explanation of the scattering of photons by electrons (a process known as Compton scattering). The wavelength
Compton_wavelength
Low energy photon scattering off charged particles
low-energy limit of Compton scattering: the particle's kinetic energy and photon frequency do not change as a result of the scattering. This limit is valid
Thomson_scattering
Penetrating form of electromagnetic radiation
secondary gamma rays by the mechanisms of bremsstrahlung, inverse Compton scattering and synchrotron radiation. A large fraction of such astronomical gamma
Gamma_ray
Electron-many photon scattering
Non-linear inverse Compton scattering (NICS), also known as non-linear Compton scattering and multiphoton Compton scattering, is the scattering of multiple low-energy
Non-linear inverse Compton scattering
Non-linear_inverse_Compton_scattering
Deviation of electrons from their original trajectories
electron scattering occurs and the beam passes straight through. Single scattering: when an electron is scattered just once. Plural scattering: when electron(s)
Electron_scattering
Gamma ray detector
A Compton telescope (also known as a Compton camera or Compton imager) is a gamma-ray detector which utilizes Compton scattering to determine the origin
Compton_telescope
Probability that a gamma ray interacts with matter
composed of several independent processes: photoelectric effect, Compton (incoherent) scattering, electron–positron pair production in the nucleus field and
Gamma_ray_cross_section
Range of physical processes in physics
Rayleigh scattering and Mie scattering. Inelastic scattering includes Brillouin scattering, Raman scattering, inelastic X-ray scattering and Compton scattering
Scattering
American physicist (1892–1962)
studied the scattering and absorption of gamma rays. Further research along these lines led to the discovery of the Compton effect. Compton used X-rays
Arthur_Compton
Fluctuations in the energy spectrum of the microwave background
problem including Compton scattering and the Bremsstrahlung process for a single release of energy. In 1982, the importance of double Compton emission as a
Cosmic microwave background spectral distortions
Cosmic_microwave_background_spectral_distortions
Particle scattering in which kinetic energy is not conserved
Neutrons undergo many types of scattering, including both elastic and inelastic scattering. Whether elastic or inelastic scatter occurs is dependent on the
Inelastic_scattering
Property of materials
and scattering of the incident radiation caused by several different mechanisms such as Rayleigh scattering (coherent scattering); Compton scattering (incoherent
Mass_attenuation_coefficient
Electron-photon scattering cross section
formula describes both the Thomson scattering of low energy photons (e.g. visible light) and the Compton scattering of high energy photons (e.g. x-rays
Klein–Nishina_formula
Emission of electrons when electromagnetic radiation hits a material
other competing processes are Compton scattering, with cross section σ compton {\displaystyle \sigma _{\textrm {compton}}} and pair production, with cross
Photoelectric_effect
Full range of electromagnetic radiation frequencies
gamma rays can be measured with high accuracy through the effects of Compton scattering. Bandplan Cosmic ray Electroencephalography Infrared window Ionizing
Electromagnetic_spectrum
American rapper, producer, sound engineer (born 1981)
November 5, 2017, he released the album Compton Scattering, named after a more general version of the Compton effect. The album, which more closely reflects
Greydon_Square
Electromagnetic radiation humans can see
Arthur Holly Compton showed that the wavelength shift seen when low intensity X-rays scattered from electrons (so called Compton scattering) could be explained
Light
Particle collisions conserving kinetic energy
Elastic scattering is a form of particle scattering in scattering theory, nuclear physics and particle physics. In this process, the internal states of
Elastic_scattering
Quantum field theory of electromagnetism
straightforwardly given. An example is Compton scattering, with an electron and a photon undergoing elastic scattering. Feynman diagrams are in this case
Quantum_electrodynamics
NASA space observatory designed to detect X-rays and gamma rays (1991–2000)
energy, E2, would be measured. From these two energies, E1 and E2, the Compton scattering angle, angle θ, can be determined, along with the total energy, E1
Compton_Gamma_Ray_Observatory
Trace radiation from the early universe
the last scattering surface (LSS), which causes the mean free path to increase rapidly during decoupling, even while some Compton scattering is still
Cosmic_microwave_background
Experiment in quantum physics
confirmed existence of photons, the conservation of energy and the Compton scattering theory. At that time, quantum mechanics was still under development
Bothe–Geiger coincidence experiment
Bothe–Geiger_coincidence_experiment
Topics referred to by the same term
Compton scattering, an effect observed when photons interact with electrons Compton wavelength, a quantum mechanical property of a particle Compton (surname)
Compton
Production of light due to absorption of high-energy photons or particles
{\displaystyle E_{\gamma }} ≳ {\displaystyle \gtrsim } 60 keV) Compton scattering, the inelastic scattering of photons by bound electrons, often also leading to
Scintillation_(physics)
Spectral distortion of cosmic microwave background in galaxy clusters
distortion of the cosmic microwave background (CMB) through inverse Compton scattering by high-energy electrons in galaxy clusters, in which the low-energy
Sunyaev–Zeldovich_effect
Pictorial representation of the behavior of subatomic particles
between scattering and correlation functions is the LSZ-theorem: The scattering amplitude for n particles to go to m particles in a scattering event is
Feynman_diagram
E and B modes (Polarisation)
2021), all GRB polarization measurements performed have made use of Compton scattering in the detector. B-mode polarization can also be used as an indirect
Polarization_(cosmology)
Treatment of cancer with ionized radiation
comparatively excellent contrast with effective atomic number Z) or Compton scattering and pair production predominate (at energies above approximately 200 keV
External_beam_radiotherapy
Particle physics experiment
through the iron, with many undergoing Compton scattering off electrons in the iron before exiting. The Compton scattering cross section is maximal when the
Goldhaber_experiment
coincidence method in an experiment on Compton scattering in 1924. The experiment aimed to check whether Compton scattering produces a recoil electron simultaneously
Coincidence_circuit
Topics referred to by the same term
structure Non-linear inverse Compton scattering (NICS; also known as non-linear Compton scattering or multiphoton Compton scattering), the process of multiple
Nonlinearity_(disambiguation)
Model of hadrons
particles are detected in the final state, such as the deeply virtual Compton scattering. Ordinary parton distribution functions are recovered by setting to
Parton_(particle_physics)
Tests of special relativity
confirming relativity. They include experiments involving beta particles, Compton scattering in which electrons exhibit highly relativistic properties and positron
Tests of relativistic energy and momentum
Tests_of_relativistic_energy_and_momentum
Subatomic particle with positive charge
derived by a combination of a theoretical model and experimental Compton scattering of high-energy electrons. However, these results have been challenged
Proton
Experiments to test Bell's theorem in quantum mechanics
known polarization dependence of Compton scattering. Due to the low polarization selectivity of Compton scattering, the results did not violate a Bell
Bell_test
Theoretical framework in physics
it was able to account for the scattering of photons, resonance fluorescence and non-relativistic Compton scattering. Nonetheless, the application of
Quantum_field_theory
Quantitative study of the energy spectra of gamma-ray sources
of primary gamma rays undergoing Compton scattering within the crystal: Depending on the scattering angle, the Compton electrons have different energies
Gamma_spectroscopy
Family of analytical techniques
is sometimes considered a sub-set of X-ray scattering, where the scattering is elastic and the scattering object is crystalline, so that the resulting
X-ray_scattering_techniques
In quantum physics, type of particle that gives rise to forces between other particles
Washington University in St. Louis, Arthur Holly Compton demonstrated an effect now known as Compton scattering. This effect is only explainable if light can
Force_carrier
Creation of particle-antiparticle pair from a neutral boson
kinematics can be done taking into account the full quantum mechanical scattering of photon and nucleus. The energy transfer to electron and positron in
Pair_production
Elementary particle with negative charge
between the light and free electrons is called Thomson scattering or linear Thomson scattering. The relative strength of the electromagnetic interaction
Electron
Relation between static and dynamic quantities
scattering, respectively. Adler-Weisberger sum rule. It relates the axial charge of the nucleon g A {\displaystyle g_{A}} to pion-nucleon scattering quantities:
Sum rules (quantum field theory)
Sum_rules_(quantum_field_theory)
Instrument for measuring ionizing radiation
converted to an energetic electron via either the photoelectric effect, Compton scattering or pair production. The chemistry of atomic de-excitation in the scintillator
Scintillation_counter
Space observatory to study gamma rays
Super Pressure Balloon Blog. Spaceflight portal Gamma-ray astronomy Compton scattering Semiconductor detector: Germanium detectors "NASA Awards Launch Services
Compton Spectrometer and Imager
Compton_Spectrometer_and_Imager
Computed tomography technique
to the right). Others include the emission of K-escape X-rays and Compton scattering, where the escaping or scattered photon results in a partial energy
Photon-counting computed tomography
Photon-counting_computed_tomography
Light or sound absorption in a substance
to two processes: absorption and scattering. Absorption indicates energy that is lost from the beam, while scattering indicates light that is redirected
Attenuation_coefficient
number density with which photons interact with an electron gas via Compton scattering, first derived by Alexander Kompaneyets in 1949 and published in 1957
Kompaneyets_equation
Gradual loss of flux intensity through a medium
primary causes of attenuation in matter are the photoelectric effect, Compton scattering, and, for photon energies of above 1.022 MeV, pair production. The
Attenuation
Chemical compound of hydrogen and oxygen
Platzman PM, Hamann DR, Barbiellini B, Tulk CA (1 March 2000). "Compton scattering evidence for covalency of the hydrogen bond in ice". Journal of Physics
Water
Moroccan physicist
nucleons. Additionally, she is the spokesperson of the Deeply Virtual Compton Scattering (DVCS) experiment, studying Generalized Parton Distributions . Elouadrhiri
Latifa_Elouadrhiri
analysis/technique. Absorption is mainly due to the attenuation and Compton scattering from the object, while phase contrast corresponds to phase shift of
Single-shot multi-contrast X-ray imaging
Single-shot_multi-contrast_X-ray_imaging
Material which glows when excited by ionizing radiation
a gamma ray interacts with matter are: the photoelectric effect, Compton scattering, and pair production. The photon is completely absorbed in photoelectric
Scintillator
X-ray Raman scattering (XRS) is non-resonant inelastic scattering of X-rays from core electrons. It is analogous to vibrational Raman scattering, which is
X-ray_Raman_scattering
Reflection which reverses the direction of a wave, particle, or signal
crystals, used in inelastic scattering experiments (neutron backscattering, X-ray backscattering spectroscopy); Compton scattering, used in Backscatter X-ray
Backscatter
German-American physicist
enabled the discovery of the theoretically predicted deeply virtual Compton scattering (DVCS) process, which provided the basis for an extensive program
Volker_Burkert
Active galactic nucleus (AGN) containing a supermassive black hole
Radio-loud quasars can also produce X-rays and gamma rays by inverse Compton scattering of lower-energy photons by the radio-emitting electrons in the jet
Quasar
Disintegration of atomic nuclei from high-energy EM radiation
phenomena: Photoelectric effect Mid-energy phenomena: Thomson scattering Compton scattering High-energy phenomena: Pair production Photodisintegration Photofission
Photodisintegration
Experiment verifying the wave-particle duality of matter
science portal Physics portal Compton scattering Timeline of quantum mechanics Davisson, C.; Germer, L. H. (1927). "The Scattering of Electrons by a Single
Davisson–Germer_experiment
Electron-positron production from two photons
will first radiate gamma photons via so-called non-linear inverse Compton scattering when interacting with the laser pulse. Still interacting with the
Breit–Wheeler_process
Pakistani theoretical physicist (1943–2018)
published the theoretical work on Veneziano Model where he had used the Compton scattering to investigate Pions behaviour on the Veneziano Model. In 1970, along
Masud_Ahmad
Chinese theoretical nuclear and particle physicist
high-energy photon and a recoil nucleon in hard scattering, which he named it as Deeply-Virtual Compton scattering (DVCS). Deep Exclusive Processes has been
Xiangdong_Ji
Physical constant providing length scale to interatomic interactions
electron radius is sometimes known as the Lorentz radius or the Thomson scattering length. It is one of a trio of related scales of length, the other two
Classical_electron_radius
Indian nuclear physicist (1909–1966)
probability of scattering positrons by electrons, a process now known as Bhabha scattering. His major contributions included work on Compton scattering, R-process
Homi_J._Bhabha
Diffraction of matter by light
traveling to the opposite direction. This describes a stimulated Compton scattering of photons by the electrons, since the re-emission here is stimulated
Kapitsa–Dirac_effect
Danish physicist (1885–1962)
the limit of large quantum numbers. The discovery of Compton scattering by Arthur Holly Compton in 1923 convinced most physicists that light was composed
Niels_Bohr
the energy of the photon is called the Compton effect. The opposite phenomenon occurs in inverse Compton scattering, when a charged particle transfers part
Glossary_of_physics
Romanian quantum physicist
and the elastic photon scattering amplitude in the hydrogen ground state. He completed also the non-relativistic Compton scattering calculation for an electron
Mihai_Gavrilă
Effect of a nuclear explosion on electronic equipment
device. These photons in turn produce high energy free electrons by Compton scattering at altitudes between (roughly) 20 and 40 km. These electrons are then
Nuclear_electromagnetic_pulse
Optical law in astrophysics
2(1+X)\mathrm {\,cm^{2}\,g^{-1}} =0.02(1+X)\mathrm {\,m^{2}\,kg^{-1}} } Compton scattering of electrons occurs at higher photon energy. Here, g bf {\displaystyle
Kramers'_opacity_law
Compact region at a galaxy's center with abnormally high luminosity
through to the gamma-ray range via the synchrotron and the inverse-Compton scattering process, and so AGN jets are a second potential source of any observed
Active_galactic_nucleus
Kinetic energy released by ionizing radiation from uncharged particles per unit mass
medium through various photon interactions (e.g. photoelectric effect, Compton scattering, pair production, and photodisintegration). Next, these secondary
Kerma_(physics)
Particle physics facility
electron-nucleon scattering is studied at small momentum transfer Q² < 2 GeV²/c² with a very high precision. In radiative inelastic electron scattering, where an
Mainz_Microtron
Energy scale at which vacuum effects become important
of any but trivial elastic photon–photon scattering. In QED, however, non-elastic photon–photon scattering becomes possible when the combined energy
Schwinger_limit
Unsolved physics problem
Ji, Xiangdong (2017). "Proton tomography through deeply virtual Compton scattering". National Science Review. 4 (2): 213–223. doi:10.1093/nsr/nwx024
Proton_spin_crisis
included: Scattering of X-rays by matter; Development of the Ross differential filter for X-ray spectroscopy; X-ray polarization; Compton scattering; and Radiative
Perley_Ason_Ross
American theoretical physicist and historian (1923–2019)
R. P.; Brown, L. M. (15 January 1952). "Radiative corrections to Compton Scattering" (PDF). Phys. Rev. 85 (2): 231–244. Bibcode:1952PhRv...85..231B. doi:10
Laurie_Brown_(physicist)
X-ray binary in Cygnus containing a stellar black hole
in the thin inner accretion disk, then given more energy through Compton scattering with very high-temperature electrons in a geometrically thicker, but
Cygnus_X-1
Process by which a quantum system takes on a definitive state
on experimental evidence available during the 1930s, in particular Compton scattering. Later work refined the notion of measurements into the more easily
Wave_function_collapse
Branch of physics that studies light
similar to other distances, as a kind of scattering. The simplest type of scattering is Thomson scattering which occurs when electromagnetic waves are
Optics
MINERνA Compton scattering Raman scattering X-ray crystallography Biological small-angle scattering with X-rays, or Small-angle X-ray scattering Static
List of scattering experiments
List_of_scattering_experiments
Largest known gravitationally bound object in universe; aggregation of galaxies
electrons in the intracluster medium scatter radiation from the cosmic microwave background through inverse Compton scattering. This produces a "shadow" in the
Galaxy_groups_and_clusters
Astronomical object emitting X-rays
ordinary Coulomb, black-body radiation, synchrotron radiation, inverse Compton scattering of lower-energy photons by relativistic electrons, knock-on collisions
Astrophysical_X-ray_source
Indian-American physicist (1910–1995)
(affiliated to the University of Madras), writing his first paper, "The Compton Scattering and the New Statistics", in 1929 after being inspired by a lecture
Subrahmanyan_Chandrasekhar
List with diagrams of common Feynman diagrams
due to energetic reasons. Compton scattering Scattering scattering of a photon by a charged particle. Here shown scattering with an electron. There are
List_of_Feynman_diagrams
American physicist, writer, and novelist (born 1948)
work on unusual radiation processes, such as unsaturated inverse Compton scattering, in thermal media, also with wide application in astrophysics. In
Alan_Lightman
American physicist
fundamentally advanced science in his work toward solving the relativistic Compton scattering kernel, and inventing innovative techniques for simulating lasers
James_Douglas_Beason
precision spatial resolution. Cross-sections for Compton scattering are similar to coherent scattering or absorption cross-sections. With these advantages
High-energy_X-rays
Measurement of X-ray polarization
experiment to measure polarization from Scorpius X-1 using a lithium Compton scattering polarimeter, though this initial attempt yielded only upper limits
X-ray_polarimetry
Type of gamma-ray detector
then be proportional to this energy. However, through the process of Compton scattering, a gamma ray may interact with two (or possibly more) crystals, resulting
Clover_(detector)
British physicist (1877–1944)
that this was a different mechanism from other known effects such as Compton scattering, so the theory was not successful. In 1907, Barkla married Mary Esther
Charles_Barkla
Type of laser
a free-electron laser, which, strictly speaking, uses stimulated Compton scattering instead of stimulated emission. Other approaches to optically induced
X-ray_laser
Hypothetical particles that may constitute dark matter
as charged particles interact with ambient radiation via inverse Compton scattering. The spectrum and intensity of a gamma ray signal depends on the annihilation
Weakly interacting massive particle
Weakly_interacting_massive_particle
Elementary particle or quantum of light
observed directly in Raman scattering and Brillouin scattering. Photons can be scattered by matter. For example, photons scatter so many times in the solar
Photon
Subatomic particle; lightest meson
carried out by Riazuddin, who in 1959 used the dispersion relation for Compton scattering of virtual photons on pions to analyze their charge radius. Since
Pion
Study involving matter and electromagnetic radiation
gathered about biological tissue by absorption and light scattering techniques. Light scattering spectroscopy is a type of reflectance spectroscopy that
Spectroscopy
Symbols for constants, special functions
thermodynamics theta functions the angle of a scattered photon during a Compton scattering interaction the angular displacement of a particle rotating about
Greek letters used in mathematics, science, and engineering
Greek_letters_used_in_mathematics,_science,_and_engineering
Deflection of high-energy photons
"Delbrück scattering". In 1953, Robert Wilson observed Delbrück scattering of 1.33 MeV gamma-rays by the electric fields of lead nuclei. Delbrück scattering is
Delbrück_scattering
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