|Message: inhomogenity in water||Not Logged In (login)|
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Thank you in advance for your help
I wanted to study the effect of inserting a slab of dense bone to a cubic homogen water phantom on proton Bragg curve. Therefore,I first scored dose distribution of 190 MeV proton in a 40cm * 40cm * 40cm homogeneous cubic water phantom by a 30cm * 4cm * 4cm sensitive detector inside water phantom. Then I inserted a 4cm * 40cm * 40cm dense bone inside the water phantom at depth 10cm (from 8cm - 12 cm). Its mother volume is phantomPhyscalVolume and the detector volume is as same as the homogen condition. I expected that the position of Bragg peak is displaced, however the Bragg curves exactly fit to each other. Wath can be wrong? would you please give me some instruction to solve this.
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