منابع مشابه
The Čerenkov-Compton effect
The two-photon production by motion of a charged particle in a medium is considered. This process is called Čerenkov-Compton effect (ČCE) because the production of photons is calculated from the Feynman diagram for the Compton effect in a medium. This process is not forbidden in quantum electrodynamics of dielectric media.The cross section of this process in Mandelstam variables is calculated. ...
متن کاملCompton Scattering
In the early 20th century, research into the interaction of X-rays with matter was an emerging field. It was observed that when a beam of X-rays is directed at an atom, an electron is ejected and the light is scattered through an angle θ, as illustrated below. Classical electromagnetism predicts that the wavelength of scattered rays should be equal to the initial wavelength; however, experiment...
متن کاملThe Structure of the Compton Shifted Line.
their minima, we see at once that the most probable transitions are going to give nuclear separations which will not result in dissociation. This is in perfect accord with experiment. Until we know more of the excited states of the H2+ ion we cannot proceed with explanations of the effects that still faster electrons may produce. 1 Winans and Stueckelberg, these PROCUZDINGS, 14, 867, 1928. 2 We...
متن کاملThe Compton-thick AGN in the CDFN
We present X-ray spectral analysis of the brightest sources (f2−10 keV > 10 −15 erg cm s ) in the Chandra Deep Field North. Our sample consists of 222 sources; for the vast majority (171) either a spectroscopic or a photometric redshift is available. Our goal is to discover the Compton-thick AGN in a direct way i.e. through their X-ray spectra. Compton-thick AGN give away their presence in X-ra...
متن کاملDetermining the accuracy of measuring the thickness of steel plates using Compton scattering method
When there is limitation access to one side of the structure in industry, one of the best methods for thickness measurements is the Compton scattering. In this paper, due to the statistical behavior of dispersed beam counting, we discuss the accuracy of the measurement for steel thickness. Using the experimental method and comparing it with MCNP simulation code, the accuracy is obtained less th...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Chemical & Engineering News Archive
سال: 1949
ISSN: 0009-2347,2157-4936
DOI: 10.1021/cen-v027n016.p1123