Scattering is a general physical process where some forms of radiation, such as light, sound, . Inelastic scattering includes Brillouin scattering, Raman scattering , inelastic X-ray scattering and Compton scattering. Light scattering is one of the. hasil pengamatan Compton tentang hamburan foton dari sinar X menunjukkan bahwa foton dapat dipandang sebagai partikel, sehingga. sedangkan hamburan yang inelastis adalah hamburan Brillouin, hamburan Raman, dan hamburan. Compton. Hamburan Rayleigh Proses dimana radiasi.
|Published (Last):||24 April 2018|
|PDF File Size:||5.71 Mb|
|ePub File Size:||19.52 Mb|
|Price:||Free* [*Free Regsitration Required]|
Retrieved 4 March By measuring the scattered photons’ energy and reversing the magnetisation of the sample, two different Compton profiles are generated one for spin up momenta and one for spin down momenta. Bragg diffraction Brillouin scattering Characteristic mode analysis Compton scattering Deep scattering layer Dynamic Light Scattering Espresso crema effect Kikuchi line Light scattering by particles Mie theory Mott scattering Neutron scattering Photon diffusion Powder diffraction Raman scattering Rayleigh scattering Rutherford scattering Small-angle scattering Scattering amplitude Tyndall effect Thomson scattering Wolf effect X-ray crystallography.
InCompton published a paper in the Physical Review that explained the X-ray shift by attributing particle-like momentum to light quanta Einstein had proposed light quanta in in explaining the photo-electric effect, but Compton did not build on Einstein’s work.
He died on March 15th,in BerkeleyCalifornia. Compton scattering is one of three competing processes when photons interact with matter. He could, however, show that the intensity was correlated with geomagnetic rather than geographic latitude.
HAMBURAN COMPTON DALAM KERANGKA ELEKTRODINAMIKA KUANTUM | Agus Purwanto | Jurnal Neutrino
John Wiley and Sons, Inc. The change of the magnitude of the momentum of the photon is not just related to the change of its energy; it also involves a change in direction.
This means that the MCP is ideal for comparison with theoretical techniques such as density functional theory. In this case, the atom’s exact position relative to the path of the electron is unknown and would be unmeasurable, hambuan the exact trajectory of the electron after the collision conpton be predicted.
hambuean The effect is significant because it demonstrates that light cannot be explained purely as a wave phenomenon. The effect is also observed when photons from the cosmic microwave background CMB move through the hot gas surrounding a galaxy cluster.
Sophisticated software packages exist which allow the user to specify the refractive index or indices of the scattering feature in space, creating a 2- or sometimes 3-dimensional model of the structure.
In addition, Compton discovered with C. The Avogadro number found by combining above value with the measured crystal density, led to a new value for the electronic charge.
In X-ray astronomythe accretion disk surrounding a black hole is presumed to produce a thermal spectrum. Electromagnetic waves are one of the best known and most commonly encountered forms of radiation that undergo scattering.
Similarly, multiple scattering can sometimes have somewhat random outcomes, particularly with coherent radiation. Magnetic Compton scattering is an extension of the previously mentioned technique which clmpton the magnetisation of a crystal sample hit with high energy, circularly polarised photons.
Compton scattering – Wikipedia
The description of scattering and the distinction between single and multiple scattering are tightly related to wave—particle duality. Views Read Edit View history.
Since this scattering process is incoherent there is no phase relationship between the scattered photonsthe MCP is representative of the bulk properties of the sample and is a probe of the ground state. Coherent backscatteringan enhancement of backscattering that occurs when coherent radiation is multiply scattered by a random medium, is usually attributed to weak localization. Some areas where scattering and scattering theory are significant include radar sensing, medical ultrasoundsemiconductor wafer inspection, polymerization process monitoring, acoustic tiling, free-space communications and computer-generated imagery.
Highly scattering surfaces are described as being dull or having a matte finish, while the absence of surface scattering leads to a glossy appearance, as with polished metal or stone. Scattering hamburn a general physical process where some forms of radiationsuch as lightsoundor moving particles, are forced to deviate from a straight trajectory by one or more paths due to comppton non-uniformities in the medium through which they pass.
When radiation is only scattered by one localized scattering center, this is called single scattering. Some synchrotron radiation facilities scatter laser light off the stored electron beam. If the scattered photon still has enough energy, the process may be repeated.
In his paper, Compton derived the mathematical relationship between the shift in wavelength and the scattering angle of the X-rays by assuming that each scattered X-ray photon interacted with only one electron. He was educated at the College, graduating Bachelor of Science inand he spent three years in postgraduate study at Princeton University receiving his M.
The photon’s momentum is then simply this effective mass times the photon’s frame-invariant velocity c. His investigations, carried out in cooperation with E.
Louis as Chancellor in and from until his retirement in he was Distinguished Service Professor of Natural Philosophy at the Was hington University.