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Questions related from Rajesh Panthi
I guess most of the flattening filters for clinical photon beams are made of high Z materials and are usually conical in shape to flatten the forward peaked bremsstrahlung spectra of therapeutic...
04 January 2018 6,405 0 View
For a beam of mega volt x-rays (10 MV), whose field size is 10cm x 10cm at a Source to Surface Distance (SSD) of 100 cm, I would like to build a collimator to be used somewhere in between the...
11 December 2016 1,229 13 View
The spectrum of a beam of therapeutic x-rays (megavolt) or diagnostic x-rays (kilovolt) cannot be measured precisely. And it seems that an estimation of spectra using deconvolution of attenuation...
04 May 2016 5,809 5 View
I am trying to study the absorbed dose to a tissue equivalent phantom due to (i) primary photons and (ii) secondary photons, while irradiating with a beam of x-rays. Could anybody suggest me a way...
02 November 2015 224 6 View
Hello all, Due to the narrow Bragg peak and sharp drop off of the LET beyond the peak the proton therapy is going to be successful especially for the localized tumors on/around the delicate...
03 May 2015 1,575 5 View
Hi, Here is my problem that I am trying to figure out. In an x-ray tube, let's say we know the target material (say Tungsten) and we also know the tube potential (say 250 kV) so that we know the...
15 April 2015 1,464 10 View
Using the method of Laplace Inverse Transform, proposed by B.R. Archer et al. (1982-1988), we can get an x-ray spectrum from the Transmission Data where we need to use the values of mass...
08 December 2014 9,795 10 View
