background: the monte carlo method is the most accurate method for simulation of radiation therapy equipment. the linear accelerators are currently the most widely used machines in radiation therapy centers. methods: in this work, a monte carlo modelling of the siemens oncor linear accelerator in 6 mv and 18 mv beams was performed. the results of simulation were validated by measurements in wat...

all researches and documents have a philosophical basis and since paradigm refers to the system of thinking, it can be basis for research patterns. despite of the various discussions on information system paradigms and code of ethics , non of them deal with paradigm of code of ethics. due to this gap the aim of this research is explaining the position of ethics paradigm in organizations code of...