Results 41 to 50 of about 519,734 (204)

The Atmospheric Influence on Cosmic-Ray-Induced Ionization and Absorbed Dose Rates

open access: yesUniverse, 2023
When high-energy particles originating from space penetrate the atmosphere, they may interact with atoms and molecules, initiating air showers composed of secondary and tertiary particles propagating towards the ground.
Alexandre Winant   +3 more
doaj   +1 more source

Impact of cosmic rays and solar energetic particles on the Earth’s ionosphere and atmosphere

open access: yesJournal of Space Weather and Space Climate, 2013
A brief review of the study during COST Action ES0803 of effects due to cosmic rays (CR) and solar energetic particles (SEP) in the ionosphere and atmosphere is presented.
Mateev Lachezar   +6 more
doaj   +1 more source

Methods of calculating ionization energies of multielectron (five or more) isoelectronic atomic ions [PDF]

open access: yes, 2013
We have previously used simple empirical equations to reproduce the literature values of the ionization energies of isoelectronic sequences of up to four electrons which gave very good agreement.
Lang, Peter F.   +4 more
core   +1 more source

Basic principle from electrospray ionization to soft ionization mass spectrometry and development of ion source:part Ⅰ [PDF]

open access: yes, 2023
Since the electrospray phenomenon was discovered, there is still an unsolved mystery about the prinple of generating charged analyte in the soft ionization phenomenon which represented by ESI.
jiehong, luo
core   +2 more sources

High-order harmonic spectroscopy in an ionized high-density target

open access: yesFrontiers in Physics, 2022
We use high-order harmonic spectroscopy to study ionization dynamics in a macroscopic target with tunable density, spanning over six orders of magnitude.
Heiko G. Kurz   +12 more
doaj   +1 more source

Nonlinear optical mode coupling by ionization in an Ar-filled capillary with high-power short-pulse excitation [PDF]

open access: yes, 2009
High-power ultrashort laser pulses at near-infrared wavelengths propagating in gas-filled capillaries can form a compact source of XUV/soft X-ray radiation by high-harmonic generation (HHG) [1].
Horak, P.   +9 more
core   +2 more sources

The ionization of the diffuse ionized gas

open access: yesThe Astrophysical Journal, 1994
The diffuse ionized gas (DIG), responsible for producing the faint but pervasive H(sub alpha), requires 15% of the power of all Galactic O stars for its ionization. No other source of ionization seems practical. The spectrum is strong in low stages of ionization (N II, SII), weak in (O III), and very weak in (O I) lambda 6300, at least in one well ...
H. Domgorgen, John S. Mathis
openaire   +1 more source

Burns by Ionizing and Nonionizing Radiation

open access: yesJournal of Burn Care & Research, 2020
Abstract This article consists of the study and investigative analysis of the effects of burns by radiation in humans. Cases of nuclear accidents, such as Chernobyl (ionizing radiation) and the effects of nonionizing radiation, such as infrared and microwave radiation are detailed here.
Giovanni, Alcocer   +2 more
openaire   +2 more sources

Precipitation Modification by Ionization [PDF]

open access: yesPhysical Review Letters, 2020
Rainfall is hypothesized to be influenced by droplet charge, which is related to the global circuit current flowing through clouds. This is tested through examining a major global circuit current increase following the release of artificial radioactivity.
R. Giles Harrison   +5 more
openaire   +6 more sources

Relativistic B-Spline R-Matrix Calculations for Electron Collisions with Ytterbium

open access: yesAtoms, 2021
We have applied the full-relativistic Dirac B-Spline R-matrix method to obtain cross sections for electron scattering from ytterbium atoms. The results are compared with those obtained from a semi-relativistic (Breit-Pauli) model-potential approach and ...
Kathryn R. Hamilton   +2 more
doaj   +1 more source

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