نتایج جستجو برای: proton beams

تعداد نتایج: 97152  

ژورنال: سنجش و ایمنی پرتو 2020

In this research, in order to improve our calculations in treatment planning for proton radiotherapy of ocular melanoma, we improved our human eye phantom planning system in GEANT4 toolkit. Different analytical models have investigated the creating of Spread Out Bragg Peak (SOBP) in the tumor area. Bortfeld’s model is one of the most important analytical methods. Using convolution method, a new...

Journal: :Annual Review of Nuclear and Particle Science 1981

Journal: :Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1990

Journal: :Physical Review Special Topics - Accelerators and Beams 2007

Journal: :Lithuanian Journal of Physics 2021

Profiling of particle beams is one the most important diagnostic procedures for operating any kind accelerator. In this work, proton beam profilers, based on fluence measurements performed by recording changes carrier lifetime in Si material and scintillation intensity thin GaN layers, caused radiation induced defects emission centres, are presented. The penetrative (26 GeV/c) stopped (1.6 MeV)...

1993
Michael Beyer

Internal target experiments with high quality proton beams allow for a new class of experiments providing null tests of time reversal symmetry in forward scattering. This could yield more stringent limits on T-odd P-even observables. A excellent candidate for such experiments is the proton deuteron system. This system is analyzed in terms of effective T-violating P-conserving nucleon-nucleon in...

2007
Michael Beyer

Internal target experiments with high quality proton beams allow for a new class of experiments providing null tests of time reversal symmetry in forward scattering. This could yield more stringent limits on T-odd P-even observables. A excellent candidate for such experiments is the proton deuteron system. This system is analyzed in terms of eeective T-violating P-conserving nucleon-nucleon int...

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