Results 91 to 100 of about 194,978 (312)
AAPM medical physics practice guideline 13.a: HDR brachytherapy, part B
Journal of Applied Clinical Medical Physics, EarlyView.Abstract The goal of this report is to assist the clinical medical physicist in assuring that key quality standards and practice considerations are met to ensure safe, reliable, and reproducible high dose rate (HDR) brachytherapy (BT) treatment. This guideline has been developed to provide appropriate minimum standards for such services.
Susan L. Richardson +8 more
wiley +1 more source
Absolute scale power measurements of frequency-locked coherent transition radiation
Physical Review Special Topics. Accelerators and Beams, 2007 We report the absolute power measurement of frequency-locked terahertz coherent transition radiation (CTR) from a train of electron bunches produced by a 17.14 GHz accelerator.
Roark A. Marsh +2 more
doaj +1 more source
Age of the universe and the energy density of radiation
ACI Avances en Ciencias e Ingenierías, 2015 From the mathematical expression relating the redshift parameter with time and the cosmological densities of matter, radiation and vacuum in the Lemaitre model, we have derived an equation for the age of the universe at present time taking into account ...
Antonina Calahorrano, Carlos A. Marín
doaj +1 more source
Automated rapidplan model validation using Eclipse scripting API
Journal of Applied Clinical Medical Physics, EarlyView.Abstract RapidPlan offers efficiency gains and quality improvements in treatment planning. Prior to its use in the clinic, it requires an extensive validation procedure in which established clinical plans and those generated by the model are compared. The manual iterative nature of this process is resource intensive, as numerous iterations are required
Bradley Beeksma +2 more
wiley +1 more source
Long‐term stability analysis of beam shape in a robotic radiosurgery system
Journal of Applied Clinical Medical Physics, EarlyView.Abstract Purpose This study aimed to investigate the long‐term stability of CyberKnife beam profile parameters and assess their compliance with existing quality assurance (QA) guidelines. We evaluated beam profiles in both standard and diagonal planes over 3.5 years post‐installation to detect potential issues and ensure consistent beam quality.
Ryoichi Hinoto +4 more
wiley +1 more source
Practical theory of the multilayered transition radiation detector [PDF]
, 1975 X. Artru, G. B. Yodh, G. Mennessier
openalex +1 more source
Journal of Applied Clinical Medical Physics, EarlyView.Abstract Purpose This study aims to develop a CycleGAN based denoising model to enhance the quality of low‐dose PET (LDPET) images, making them as close as possible to standard‐dose PET (SDPET) images. Methods Using a Philips Vereos PET/CT system, whole‐body PET images of fluorine‐18 fluorodeoxyglucose (18F‐FDG) were acquired from 37 patients to ...
Yang Liu, ZhiWu Sun, HaoJia Liu
wiley +1 more source
Transition radiation caused by a chiral plate [PDF]
, 1982 Nader Engheta, Alan R. Mickelson
openalex +1 more source