Journal of medical physics and applied sciences is an international peer reviwed journal aiming to publish the most relevant and recent research works across the world. Medical Physicists will contribute to maintaining and improving the quality, safety and cost-effectiveness of healthcare services through patient-oriented activities requiring expert action, involvement or advice regarding the specification, selection, acceptance testing, commissioning, quality assurance/control and optimised clinical use of medical devices and regarding patient risks and protection from associated physical agents (e.g. x-rays, electromagnetic fields, laser light, radionuclides) including the prevention of unintended or accidental exposures; all activities will be based on current best evidence or own scientific research when the available evidence is not sufficient. Medical physics is also called biomedical physics, medical biophysics or applied physics in medicine is, generally speaking, the application of physics concepts, theories and methods to medicine or healthcare.

We are sharing one of the most cited article from our journal. Article entitled “Experimental Determination of Linear Attenuation Coefficient of Gamma Ray in Zinc Foil at Different Energies” was well written by Dr. Mathewos Dawana Desta.

Abstract

In this work, the spectra of gamma rays resulting from nuclear transitions of 22Na and 137Cs are collected by means of their interaction with matter. By varying the source with fixed distance from the detector and the presence of various thicknesses of absorbers different characteristics about the isotopes can be determined. Linear attenuation coefficient (μ) of gamma rays photons of energy for 0.662, 0.511 and 1.274 MeV in zinc have been determined experimentally through photon-transmission measurement performed under narrow collimated beam counting geometry with scintillation spectrometry as a photon detector. The experimentally obtained values of linear attenuation coefficient found to be in good agreement with the WINXCOM prediction. The Half Value Layer (HVL) and Tenth Value Layer (TVL) were calculated for Zinc foil. Linear attenuation coefficient represent a subject of considerable interest and importance, since it is required in solving various problems in a radiation physics, radiation dosimetry, industrial, biological, agriculture and medical studies.

Here is the link to view complete article: https://medicalphysics.imedpub.com/experimental-determination-of-linear-attenuation-coefficient-of-gamma-ray-in-zinc-foil-at-different-energies.php?aid=26995

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Journal of Medical Physics and Applied Sciences