%0 Journal Article %T The Gradient of ¦Ã-Rays Irradiation¡¯s Energy and Its Use in Treatment of Cancer Diseases %A Labinot Kastrati %A Gazmend Nafezi %A Gë %A zim Shehi %J International Journal of Medical Physics,Clinical Engineering and Radiation Oncology %P 150-153 %@ 2168-5444 %D 2016 %I Scientific Research Publishing %R 10.4236/ijmpcero.2016.52016 %X The Ionising irradiations used mostly in the treatment of tumoral diseasses are: X, ¦Ã, ¦Â and e irradiations. The discussion will be about ¦Ã irradiations, produced in linear accelerator with photon energy 6 MV and 15 MV. It is important to know the absorption performance before and after the electronic equilibrium. This is a reason that we¡¯ve used the function of dose gradient for irradiations ¦Ã. It represents the velocity of dose change as a function of depth in tissue. From skin to maximum dose value, the increase of G-function is more accentuated for ¦Ã-rays than for ¦Â-particles while after that the G-function decreasing is less sharp for ¦Ã-rays. Finally, we¡¯ll discuss about the advantages in terms of radiation protection of ¦Ã-rays used in radiotherapy. %K ¦Ã-Rays %K G-Function %K Photon Energy %K Radiation Protection %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=66768