International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


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Study Papers | Medical Radiologic Sciences | India | Volume 13 Issue 1, January 2024 | Popularity: 5.2 / 10


     

Electron Beam Dosimetry of a Medical Linear Accelerator

Kaustav Kashyap Baruah, Trishul Subham Keshri


Abstract: A new approach for electron beam dosimetry under reference condition is presented in this report. The main purpose of this study is to describe the procedure for electron beam dosimetry using water phantom performed for medical LINAC in order to ensure that the cancer patient is receiving the given dose correctly that is the maximum dose is received by the tumor and the minimum dose is received by the critical organ or the normal tissue within tolerance limits. The measurements include output calibration of 8MeV and 15MeV electron, percent depth dose (PDD), beam profile of 8MeV electron, beam quality index for electron R50 (g/cm???2). From the graph, we can see that the PDD of 8MeV electron for 10 ? 10cm? field size increases rapidly to a certain depth called Dmax and then immediately falloff with depth. The symmetry values and flatness values for 8MeV electron were also measured. The output calibration was measured with Advance Marcus Chamber and the beam quality index was measured with 0.125cc cylindrical chamber in a water phantom and found well within tolerance limit.


Keywords: Radiation Dosimetry, Medical LINAC, Ionisation Chamber, Electron Beam quality index (R50)


Edition: Volume 13 Issue 1, January 2024


Pages: 669 - 674


DOI: https://www.doi.org/10.21275/SR24108204432



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Kaustav Kashyap Baruah, Trishul Subham Keshri, "Electron Beam Dosimetry of a Medical Linear Accelerator", International Journal of Science and Research (IJSR), Volume 13 Issue 1, January 2024, pp. 669-674, URL: https://www.ijsr.net/getabstract.php?paperid=SR24108204432, DOI: https://www.doi.org/10.21275/SR24108204432



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