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Experimental evidence of the superfocusing effect for axially channeled MeV protons
(Physical Review B: Condensed Matter and Materials Physics, 2016)
Sub-Angstrom focusing of megaelectronvolt (MeV) ions within axial channels was predicted over 10 years ago, but evidence proved elusive. We present experimental angular distributions of axially channeled MeV protons in a ...
The donut and dynamic polarization effects in proton channeling through carbon nanotubes
(New Journal of Physics, 2010)
We investigate the angular and spatial distributions of protons with an energy of 0.223 MeV after channeling them through an (11, 9) single-wall carbon nanotube of 0.2 mu m length. The proton incident angle is varied between ...
A continuous hydrogen absorption/desorption model for metal hydride reactor coupled with PCM as heat management and its application in the fuel cell power system
(International Journal of Hydrogen Energy, 2020)
In this work, the model of metal hydride reactor coupled with phase change material (PCM) as heat management is modified to describe the heat and mass transfer behaviors of the continuous hydrogen absorption/desorption ...
Origin of ringlike angular distributions observed in rainbow channeling in ultrathin crystals
(Physical Review B: Condensed Matter and Materials Physics, 2012)
Using the theory of crystal rainbows, we prove that the well-known doughnut patterns observed in ion channeling in thin crystal membranes are manifestations of the rainbow effect. This is done by a detailed morphological ...
On the dechanneling of protons in Si [110]
(European Physical Journal B. Condensed Matter and Complex Systems, 2003)
In the present work; the dechanneling of protons in Si [110] is studied combining theoretical Monte-Carlo and phenomenological simulation results in the energy range E-p = 1.8-2.4 MeV. The applicability of a Gompertz type ...
Rainbows with a tilted 〈111〉 Si very thin crystal
(Physics Letters A, 2002)
The angular distributions of protons channeled in a tilted (111) Si very thin crystal together with the corresponding rainbow patterns are considered. The proton energy is 10 MeV while the crystal thickness is 121.1 nm, ...
Recent developments in Geant4
(Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2016)
Geant4 is a software toolkit for the simulation of the passage of particles through matter. It is used by a large number of experiments and projects in a variety of application domains, including high energy physics, ...
Angular distributions of 7 TeV protons axially channeled through the thin bent (100) Si crystal
(Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms, 2006)
We have studied theoretically angular distributions of relativistic protons axially channeled through the thin bent LT 100 GT Si crystal. The proton energy is 7 TeV, the thickness of the crystal is 1 mm, which corresponds ...
Determination of parameters for channeling of protons in SiC polytype crystals in the backscattering geometry
(Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms, 2001)
Energy spectra of protons channeling along the (0001) axis of several SiC polytype crystals (namely 4H, 6H, 15R, 21R) in the energy region E-p = 1.7-2.5 MeV, in the backscattering geometry, were taken and analyzed. Computer ...
A study of the dechanneling of protons in SiC polytype crystals in the energy range Ep=400-650 keV
(Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms, 2004)
In the present work, the energy spectra of protons channeled along the (0 0 0 1) axis of SiC polytype crystals (namely 4H and 6H) in the energy range E-P = 400-650 keV, in the backscattering geometry, were taken and analyzed. ...