scholarly journals Optimization of Monte Carlo particle transport parameters and validation of a novel high throughput experimental setup to measure the biological effects of particle beams

2017 ◽  
Vol 44 (11) ◽  
pp. 6061-6073 ◽  
Author(s):  
Darshana Patel ◽  
Lawrence Bronk ◽  
Fada Guan ◽  
Christopher R. Peeler ◽  
Stephan Brons ◽  
...  
2017 ◽  
Vol 3 ◽  
pp. 29 ◽  
Author(s):  
Henri Louvin ◽  
Eric Dumonteil ◽  
Tony Lelièvre ◽  
Mathias Rousset ◽  
Cheikh M. Diop

2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
Ljubinko Timotijevic ◽  
Irfan Fetahovic ◽  
Djordje Lazarevic ◽  
Milos Vujisic

Effects of exposing several insulators, commonly used for various purposes in integrated circuits, to beams of protons have been investigated. Materials considered include silicon dioxide, silicon nitride, aluminium nitride, alumina, and polycarbonate (Lexan). The passage of proton beams through ultrathin layers of these materials has been modeled by Monte Carlo simulations of particle transport. Parameters that have been varied in simulations include proton energy and insulating layer thickness. Materials are compared according to both ionizing and nonionizing effects produced by the passage of protons.


2014 ◽  
Vol 9 (05) ◽  
pp. C05016-C05016 ◽  
Author(s):  
K Sedlačková ◽  
B Zat'ko ◽  
A Šagátová ◽  
M Pavlovič ◽  
V Nečas ◽  
...  

1978 ◽  
Vol 31 (4) ◽  
pp. 299 ◽  
Author(s):  
HA Blevin ◽  
J Fletcher ◽  
SR Hunter

Hunter (1977) found that a Monte-Carlo simulation of electron swarms in hydrogen, based on an isotropic scattering model, produced discrepancies between the predicted and measured electron transport parameters. The present paper shows that, with an anisotropic scattering model, good agreement is obtained between the predicted and experimental data. The simulation code is used here to calculate various parameters which are not directly measurable.


2020 ◽  
Author(s):  
D Santana-Cedres ◽  
L Gomez ◽  
L Alvarez ◽  
Alejandro Frery

© 2004-2012 IEEE. In this letter, we propose a new despeckling filter for fully polarimetric synthetic aperture radar (PolSAR) images defined by 3× 3 complex Wishart distributions. We first generalize the well-known structure tensor to deal with PolSAR data which allows to efficiently measure the dominant direction and contrast of edges. The generalization includes stochastic distances defined in the space of the Wishart matrices. Then, we embed the formulation into an anisotropic diffusion-like schema to build a filter able to reduce speckle and preserve edges. We evaluate its performance through an innovative experimental setup that also includes Monte Carlo analysis. We compare the results with a state-of-the-art polarimetric filter.


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