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Updated: Jul 12, 2026

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition
Published on: March 11, 2021
Experimental validation of the new nanodosimetry-based cell survival model for mixed neutron and gamma-ray
C-K Chris Wang1, Xin Zhang, Ian Gifford
1Nuclear/Radiological Engineering/Medical Physics Program Neely Research Center, Georgia Institute of Technology, 900 Atlantic Drive, Atlanta, GA 30332-0425, USA. chris.wang@nre.gatech.edu
Abstract:
The new nanodosimetry-based linear-quadratic (LQ) formula has been reviewed for mixed-LET irradiation. V-79 Chinese hamster cells have been irradiated with a mixed-LET field of fission neutrons and gamma rays at the University of Maryland Training Reactor (MUTR). The results show that the experimental survival curve agrees well with that predicted by the new nanodosimetry-based LQ model. The experimental study described in this note, therefore, serves as a validation for the new model to be used for mixed-LET radiotherapies, e.g. 252Cf brachytherapy.

