Applications of low energy X- and gamma rays.
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Applications of low energy X- and gamma rays. Edited by Charles A. Ziegler. by Symposium on Low Energy X- and Gamma Ray Sources and Applications, 3rd, Boston College 1970

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Published by Gordon and Breach Science Publishers in New York .
Written in English


  • Radioisotopes -- Congresses,
  • X-rays -- Congresses,
  • Gamma rays -- Congresses

Book details:

Edition Notes

ContributionsZiegler, Charles Albert, 1927-, U.S. Atomic Energy Commission., Boston College., Panametrics, inc.
LC ClassificationsTK9400 S852 1970
The Physical Object
Number of Pages467
ID Numbers
Open LibraryOL18465697M

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The book discusses thermoluminescence dosimetry in archeological dating; dosimetric applications of track etching; vacuum chambers of radiation measurement. The text also describes wall-less detectors in microdosimetry; dosimetry of low-energy X-rays; and the theory and general applicability of the gamma-ray theory of track effects to various.   In gamma-ray spectroscopy, the energy of incident gamma-rays is measured by a detector. By comparing the measured energy to the known energy of gamma-rays produced by radioisotopes, the identity of the emitter can be determined. This technique has many applications, particularly in situations where rapid nondestructive analysis is required. Gamma rays are electromagnetic radiation emitted from decay of an unstable source such as radioactive isotope (e.g., Co 60, Ir , Cs , Tm 70) [13, 17].Each isotope has specific characteristics which makes it suitable for certain applications. Gamma ray energy levels are constant and its energy intensity decays with time [13].Gamma rays are similar to X-rays and are suitable for detection. lead and bismuth, particularly for low energy gamma and x-rays. Compton scattering is more important for low atomic number elements, such as iron, and for higer energy gamma radiation. At higher gamma energies (greater than keV), produced by select nuclides, such asFile Size: 1MB.

x-ray and gamma-ray radiation detection. Their main advantages over traditional semiconductor materials such as silicon and germanium are their high radiation stopping power due to the larger atomic numbers of their constituents and the low background density of free charge carriers at room temperature (RT) due to their wider bandgap [1,2]. The choice of a particular detector type for an application depends upon the X-ray or gamma energy range of interest and the application’s resolution and efficiency requirements. Additional considerations include count rate performance, the suitability of the detector for timing experiments, and of course, price.   Application of Gamma Rays. Gamma rays are ionizing radiation which can kill living cells. They are used to treat malignant tumours in radiotherapy. For treatment deep within the body, high energy photons are sent to reach the target tumour without affecting the surrounding tissue. Though x-rays are also ionising radiation, because of the lower energy compared to gamma rays, they may .   Gamma rays are typically more energetic than X-rays, so they have more ionizing power compared to X-rays. Gamma rays are used to sterilize medical equipment or to kill cancer cells in radiotherapy. Compared to alpha and beta radiation, they have a higher level of penetration, which makes gamma rays useful for medical imaging, as well.

X Rays and Gamma Rays: Crookes Tubes and Nuclear Light Light becomes something quite strange and powerful in the region of the electromagnetic spectrum in which wavelengths are shorter than in the near-UV ultraviolet waveband. This region, shown in Fig. , includes the extreme ultraviolet, x-ray and gamma-ray wavebands. X rays and gamma rays areFile Size: 1MB. Application of low energy X-rays for EDS analysis is limited by the absorption in the carbonaceous contamination layer on the specimen surface and the ice layer on the detector crystal. There are many drawbacks induced by such effects, for instance: i) Preferentially absorb low-energy X-rays . For in vivo applications, the best gamma rays are of low energy (– keV) because they can penetrate tissues. Gamma rays in this energy range can also be efficiently stopped, and therefore measured by external detectors. to As the gamma-ray energy decreases, the probability of photoelectric ab-sorption increases rapidly (see Figure ). Photoelectric absorption is the predominant interaction for low-energy gamma rays, x rays, and bremsstrahlung. The energy of the photoelectron E. File Size: KB.