An investigation on some of the tumor treatment cases using x-rays and electron beams Burcu Ucar, Ibrahim Yigitoglu, Ipek Arslan Kabalay, Duygu Altiparmak and Sinem Kilicaslan EPJ Web of Conferences, 100 (2015) 03005 Published online: 09 July 2015 DOI: 10.1051/epjconf/201510003005