| Autor: |
Sathian, Deepa, Bakshi, Ashok K, Kannan, Umasankari, Beck, Mudit, Haneefa, Abdul, Cyriac, Siji |
| Předmět: |
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| Zdroj: |
Radiation Protection Dosimetry; May2023, Vol. 199 Issue 7, p603-614, 12p |
| Abstrakt: |
Treatment of cancer is carried out using photon beams from high-energy medical linear accelerators. Photo-neutrons are also produced as an unwanted by product in the process of dose delivery to the cancer patients during their radiation treatments. In the present study, photo-neutron dose equivalents (both thermal and fast components) per unit delivered gamma-photon dose were measured at different depths, as function of distances from iso-centre in patient plane, field sizes, wedge angles and at LINAC head for a 15-MV medical linear accelerator model Elekta Precise using multi-foil activation technique. The neutron dose equivalents determined for the above-mentioned parameters were found to be lower (<0.05%) in comparison with the therapeutic photon dose delivered and within the prescribed limits recommended by the national regulatory authority. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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