R. Latifah, Bunawas, J.A.E. Noor
Linear accelerator (linac) becomes the most commonly used treatment to damage and kill cancer cell. Photon and electron as the radiation beam are produced by accelerating electrons to very high energy. Neutrons are generated when incident high photon energy interacts with component of linac such as target, flattering filter and collimator via photoneutrons reaction. The neutrons can also produce activation of materials in treatment room to generate radioactive materials. We have estimated the concentration of Argon-41 as activated product from argon-40 in the linac room using foil activation. The results show that the Argon-41 concentration in linac room which is operated 15 MV for 1 treatment (1 minute) is 1440 Bq/m3. Accordingly that concentration, the occupational dose is 6.4 mSv per year. © Published under licence by IOP Publishing Ltd.
Department of Health, Faculty of Vocational Education, Universitas Airlangga, Jalan Airlangga, Surabaya, 60115, Indonesia; Center for Safety Technology and Radiation Metrology, National Nuclear Energy Agency of Indonesia (BATAN), Jalan Kuningan Barat, Jakarta, 12710, Indonesia; Department of Physics, Universitas Brawijaya, Jalan Veteran, Malang, 65145, Indonesia
