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Charge exchange and scattering at the aperture

Gaussian Beam Scattering on Two-Dimensional Periodic Aperture Array

Gaussian Beam Scattering on Two-Dimensional Periodic Aperture Array

... of aperture array systems under their excitation with the plane linearly polarized electromagnetic waves are given in ...pulses scattering on the one-dimensional aperture is considered in [24, ...

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Charge Exchange Processes in the Scattering of Li off Narrow Band Insulator KF Surface in the Presence of Laser Field

Charge Exchange Processes in the Scattering of Li off Narrow Band Insulator KF Surface in the Presence of Laser Field

... Keywords: scattering process, surface-ion charge exchange processes, monochromatic electromagnetic field, laser frequency, laser coupling strength. I. INTRODUCTION Laser assisted and laser induced ...

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A Gegenbauer Polynomial Solution for the Electromagnetic Scattering by a Subwavelength Circular Aperture in an Infinite Conducting Screen

A Gegenbauer Polynomial Solution for the Electromagnetic Scattering by a Subwavelength Circular Aperture in an Infinite Conducting Screen

... electromagnetic scattering of a polarized incident plane wave by a subwavelength circular aperture in a conducting ...circular aperture for any incident ...

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Low Energy Ion Beamline Scattering Apparatus with Application to Charge Exchange Collisions at Surfaces

Low Energy Ion Beamline Scattering Apparatus with Application to Charge Exchange Collisions at Surfaces

... the scattering system a ...entire scattering machine has been an invaluable experience, which I know I would never have obtained in any other place or ...

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A Novel Field Scattering Formulation for Polarimetric Synthetic Aperture Radar: 3D Scattering and Stokes Vectors

A Novel Field Scattering Formulation for Polarimetric Synthetic Aperture Radar: 3D Scattering and Stokes Vectors

... Such basis set capable of constructing a complete 3 × 3 scattering ma- trix space can characterize any type of scattering including near-field due to the basis components’ 3D nature, i.e., non-zero radial ...

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Detection of flooded urban areas in high resolution Synthetic Aperture Radar images using double scattering

Detection of flooded urban areas in high resolution Synthetic Aperture Radar images using double scattering

... 6. Conclusion The study has shown that it is possible to detect flooding in radar layover regions in urban areas using double scattering. The method proved equally successful at detecting this type of flooding in ...

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Detection of flooded urban areas in high resolution Synthetic Aperture Radar images using double scattering

Detection of flooded urban areas in high resolution Synthetic Aperture Radar images using double scattering

... Synthetic Aperture Radar (SAR) sensors are preferred for flood detection rather than visible band sensors because of their ability to penetrate the cloud that is often present at times of flood, and to image at ...

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Charge Exchange of Proton Sodium Atom Collision

Charge Exchange of Proton Sodium Atom Collision

... Abstract: The coupled static approximation is modified for the first time to make it applicable to multi-channels problem of the collision of the proton by alkali atom. The possibility of producing more hydrogen during ...

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Studying Charge-Exchange in a Hybrid Ion-neutral Trap

Studying Charge-Exchange in a Hybrid Ion-neutral Trap

... We believe this can be explained by a combination of factors. First, our results indicate that there is a reaction barrier in the D-state charge-exchange collision. This could mean that our high reaction ...

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Charge-exchange collision dynamics and ion engine grid geometry optimization

Charge-exchange collision dynamics and ion engine grid geometry optimization

... ion charge density. In turn, the model for determining the ion charge density is presented in Section ...the charge-exchange differential cross-section and sputter yield follow in Sections ...

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Prediction of aperture efficiency ripple in clear aperture offset Gregorian antennas

Prediction of aperture efficiency ripple in clear aperture offset Gregorian antennas

... astronomy, Aperture effi- ciency, Reflector ...LEAR aperture optics, such as the offset Gregorian configuration [1], is preferred in high fidelity reflector antenna systems where low far-out side lobes and ...

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Charge exchange in thin foils

Charge exchange in thin foils

... versus energy in Figures 27 and 28. The H :H ratios for copper and silver varied in a way very similar to those of gold. It can be seen from Figures 27 and 28 that the charge ratios from different foils of the ...

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Charge-exchange isobaric resonances

Charge-exchange isobaric resonances

... satisfactorily. Charge-exchange strength functions S (E x ) were cal- culated within TFFS for more than 100 isotopes in the middle-mass ...in charge-exchange nuclear reactions such as ( p, n) ...

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Compton scattering studies of spin and charge momentum densities

Compton scattering studies of spin and charge momentum densities

... Before comparison with theory the data were corrected for the energy variation o f both the Compton cross section and sample absorption. The data were then converted to a momentum scale using equation 1.20 and the ...

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Compton scattering and photo absorption studies of charge and spin density

Compton scattering and photo absorption studies of charge and spin density

... neutron scattering is sensitive to the total magnetisation density which can include contributions from both spin and orbital ...photon scattering since they appear attached to different geometrical factors ...

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Terahertz Spin-to-Charge Conversion by Interfacial Skew Scattering in Metallic Bilayers

Terahertz Spin-to-Charge Conversion by Interfacial Skew Scattering in Metallic Bilayers

... ultrafast charge current is ...skew scattering of spin-polarized electrons at interface ...skew scattering for interfacial S2C and propose a promising route to enhanced S2C by tailored interfaces at ...

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Study of charge distribution and atomic arrangement at interfaces using fast electron scattering

Study of charge distribution and atomic arrangement at interfaces using fast electron scattering

... FIG. a) Diffraction pattern b) Indexing of diffraction pattern, c) Dark field image using the the reflection indexed as 02 2( 11 Da. 2 X-ray emission intensity from GaAs when the elect[r] ...

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Radiative corrections to elastic-electron proton scattering and uncertainty in proton charge radius

Radiative corrections to elastic-electron proton scattering and uncertainty in proton charge radius

... 2 Dubna State University, Dubna 141980, Russia Abstract. Higher-order QED radiative corrections to elastic electron-proton scattering are discussed. It is shown that they are relevant for high-precision ...

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The solar wind charge-exchange production factor for hydrogen

The solar wind charge-exchange production factor for hydrogen

... ABSTRACT The production factor, or broad band averaged cross-section, for solar wind charge-exchange with hydrogen producing emission in the ROSAT 1 4 keV (R12) band is (3.8 ± 0.2) × 10 −20 count degree −2 ...

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3D Simulations of Ion Thruster Accelerator Grid Erosion Accounting for Charge Exchange Ion Space Charge

3D Simulations of Ion Thruster Accelerator Grid Erosion Accounting for Charge Exchange Ion Space Charge

... space charge on the potential. Although this space charge is a small perturbation on the beam ion charge density, we will show that it has a critical effect on the slope of the potential profile ...

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