Results 1 to 10 of about 1,568,490 (185)

Density determinations in heavy ion collisions [PDF]

open access: yesPhysical Review C, 2013
The experimental determination of freeze-out temperatures and densities from the yields of light elements emitted in heavy ion collisions is discussed. Results from different experimental approaches are compared with those of model calculations carried ...
Barbui, M.   +14 more
core   +5 more sources

Statistical Research on Seismo-Ionospheric Ion Density Enhancements Observed via DEMETER

open access: yesAtmosphere, 2022
In this paper, in order to investigate the correlation between seismic activity and ionospheric density variation, nighttime ion density (Ni) data from IAP onboard the Detection of Electro-Magnetic Emissions Transmitted from Earthquake Regions (DEMETER ...
Lin Zheng   +8 more
doaj   +1 more source

Preliminary Analysis of Ionospheric Anomalies before Strong Earthquakes in and around Mainland China

open access: yesAtmosphere, 2022
The aims of the present study were to use Langmuir Probe payload electron density data and Plasma Analyzer Package payload O+ density data from the Zhangheng-1 electromagnetic satellite to statistically analyze anomalies in electron and oxygen ion ...
Binbin Zhao   +7 more
doaj   +1 more source

Analysis of Pre-Earthquake Ionospheric Anomalies in the Japanese Region Based on DEMETER Satellite Data

open access: yesUniverse, 2023
The electron density (Ne), ion density (Ni), and electron temperature (Te) statistics recorded by the DEMETER satellite payload ISL (Instrument Sonde de Langmuir) were used to study the disturbance characteristics of the ionosphere before solid ...
Jingming Lu   +5 more
doaj   +1 more source

Two Types of Martian Magnetotail Current Sheets: MAVEN Observations of Ion Composition

open access: yesGeophysical Research Letters, 2023
Using measurements from the Mars Atmosphere and Volatile EvolutioN mission, we investigate the densities of H+ (nH+), O+ (nO+), and O2+ (no2+), respectively, in the Martian magnetotail current sheet.
X. Z. Li   +8 more
doaj   +1 more source

Seasonal Variations in Ion Density, Ion Temperature, and Migrating Tides in the Topside Ionosphere Revealed by ICON/IVM

open access: yesRemote Sensing, 2023
Based on the plasma parameters measured by the Ion Velocity Meter (IVM) instrument on the Ionospheric Connection Explorer (ICON) satellite from 2020 to 2021, we present an analysis of seasonal variations in ion density, ion temperature, and migrating ...
Zheng Ma   +5 more
doaj   +1 more source

The Ionospheric Plasma Perturbations before a Sequence of Strong Earthquakes in Southeast Asia and Northern Oceania in 2018

open access: yesRemote Sensing, 2023
From August to October 2018, a series of strong earthquake (EQ) events occurred in southeast Asia and northern Oceania (22°S to 0°N, 115°E to 170°E) within 50 days.
Dapeng Liu   +8 more
doaj   +1 more source

Ions in solution: Density corrected density functional theory (DC-DFT) [PDF]

open access: yesThe Journal of Chemical Physics, 2014
Standard density functional approximations often give questionable results for odd-electron radical complexes, with the error typically attributed to self-interaction. In density corrected density functional theory (DC-DFT), certain classes of density functional theory calculations are significantly improved by using densities more accurate than the ...
Kim, Min-Cheol   +2 more
openaire   +5 more sources

Gyrofluid simulations of collisionless reconnection in the presence of diamagnetic effects

open access: yes, 2010
The effects of the ion Larmor radius on magnetic reconnection are investigated by means of numerical simulations, with a Hamiltonian gyrofluid model. In the linear regime, it is found that ion diamagnetic effects decrease the growth rate of the dominant ...
Biskamp D   +15 more
core   +3 more sources

Ion density deviations in semipermeable ionic microcapsules [PDF]

open access: yesPhysical Chemistry Chemical Physics, 2015
Semipermeability of charged polyelectrolyte shells to polyions influences local ion concentrations, affecting performance of fluorescent dye-loaded microcapsules as biosensors.
Tang, Qiyun, Denton, Alan R.
openaire   +3 more sources

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