x-Rays Wit Matter

INTERACTION OF X-RAYS WITH MATTER
X-rays are a form of ionizing radiation. They interact with atoms and roast electrons off the atom to create an ion which is an electrically charged atom. excess electrons then collide with other atoms to create more ions. An ions electrical charge send word lead to unnatural chemical reactions interior the electric carrells and it can also break DNA chains. A cell with a broken strand of DNA will every die or develop a mutation if the cell is unable to repair the damage. If a lot of the cells die, the body can develop various diseases. If the DNA mutates, a cell whitethorn become cancerous and this cancer may spread to the mischief of the host. If the mutation is in a sperm or junky cell, it may lead to a birth defect or to affect future generations.
When an object is exposed to a shot of radiation, it absorbs and transmits resultant radiation after fundamental interaction with the various densities (radiation entrancing properties) within the object. The transmitted radiation carries with it the in governing body of the structures after its attenuation.





fading: the reduction in the number of primary photons in the roentgen ray beam through
scatter: change in direction of survive that may also involve a partial issue of radiation energy
direct transmission: photons that traverse the object without interacting
corroborative transmission: primary photons Compton and/or coherent interactions and may be scattered or deflected

There are 5 types of interaction between x-radiation and matter are possible:
? long scattering
? Compton scatter
? Photoelectric density
? Pair production
? Photodisintegration

Only two are grand in diagnostic radiology:
Compton Scatter
Photoelectric effect

Image formation is dependent on the formation and control of scatter, the photoelectric absorption and the direct transmission of the primary beam incident on a patient.

Classical/coherent scattering
Thompson
Rayleigh
Unmodified scatter
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