Comme mentionne precedemment, vous pouvez faire des recherches et trouver dautres cours attrayants pdf aussi. Compton effect synonyms, compton effect pronunciation, compton effect translation, english dictionary definition of compton effect. Sep 15, 2012 l image radiologique part 2 cours du 11 092012 1. Il a fallu pour cela introduire une nouvelle theorie. Phy 192 compton effect 1 the compton effect introduction in this experiment we will study two aspects of the interaction of photons with electrons. Wikis are a simple and effective way to create and manage websites. The compton effect also called compton scattering is the result of a highenergy photon colliding with a target, which releases loosely bound electrons from the outer shell of the atom or molecule.
The scattered radiation experiences a wavelength shift that cannot be explained in terms of classical wave theory, thus lending support to einsteins photon theory. On observe les rayons diffuses dans une direction faisant langle. Extrait dun article deinstein on a heuristic viewpoint concerning the production and transformation of light. The compton effect or compton scattering in physics. Study of the compton interaction the aim of the project is to study the compton effect scattering of a x or gamma photon by an electron in matter, by measuring the energy of the scattered photon related to the compton shift, its angular dependency, and its differential cross. Des gamma comme projectiles et des electrons comme cibles. Developpement dune source x picoseconde accordable par. L effet compton devient plus remarquable chez les photons. The effect has proved to be one of the cornerstones of quantum mechanics, which. The photoelectric effect is a low energy phenomenon, and the interacted photons disappear just after they deliver their energy to electrons. Final scattered photon energy as a function of deection angle. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. The corresponding momenta are p 1 e 1 c hf 1 h 1 and p 2 e 2 c hf 2 h 2 using f c. Our primary machine was compton a, which yielded smallangle data.
Derivation of comptons equation let 1 and 2 be the wavelengths of the incident and scattered x rays, respectively, as shown in figure 318. Zip les listes chainees exercices et correction cours et. Effet compton et effet photoelectrique bien entendu deedee81. Using the above diagram, derive the compton shift equation. The first of these is the compton effect named after arthur holly compton who received the nobel prize for physics in 1927 for its discovery. It results in a decrease in energy increase in wavelength of the photon which may be an xray or gamma ray photon, called the compton effect. This is the main difference between photoelectric effect and compton effect. A quantum theory of the scattering of xrays by light elements pdf. Compton suppression spectrometry in gamma ray spectrometry performed with highpurity germanium detectors hpge, the detection of low intensity gamma ray lines is complicated by the presence of compton scattered gamma rays of higher energy. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Najiboptiquantique etudes superieures, facultes des sciences, grandes ecoles ingenieurs cours, travaux diriges, exercices et examens resolus optique physique, optique geometrique, optique instrumentale, physique quantique, mecanique quantique, physique atomique, moleculaire, laser, avec une bibliographie detaillee. Compton eye associate compton eye associate is proud to provide our patients with the region cataract surgery and cataract diagnosis. Leffet compton devient plus remarquable chez les photons.
If you are a school member student or staff, you can create your own wiki, it only takes a minute. Compton scattering, discovered by arthur holly compton, is the scattering of a photon by a charged particle, usually an electron. The compton effect, on the other hand, is a midenergy phenomenon, and the interacted photons are scattered by the electrons. Study of the compton interaction the aim of the project is to study the compton effect scattering of a x or gamma photon by an electron in matter, by measuring the energy of the scattered photon related to the compton shift, its angular dependency, and its differential cross section. L effet photoelectrique et interpretation deinstein smpmipc. Below is a listing of the tests that may be performed at compton eye associates. The increase in wavelength of electromagnetic radiation, especially of an xray or a gammaray photon, scattered by an electron. Optique geometrique pdf,cours physique 1 svt s1 pdf. Compton b was used to investigate largeangle scattering. Difference between photoelectric effect and compton effect. The electron then carries away some of the available energy and so. Cours mecanique quantique chapitre i smp s4 2014 najib. Based on the patients individual findings and symptoms, there may be. Compton effect, increase in wavelength of xrays and other energetic electromagnetic radiations that have been elastically scattered by electrons.
Compton scattering, discovered by arthur holly compton, is the scattering of a photon by a. Compton scattering is an example of inelastic scattering of light by a free charged particle, where the wavelength of the scattered light is different from that of the incident radiation. Oct, 2015 cours techniques spectroscopique smps3 fstetouan. Consequences sur le milieu effets physiques et radiobiologiques.