We introduce a new model for dark energy in the Universe in which a small cosmological constant is generated by ordinary electromagnetic vacuum energy. The...
Electromagnetic force and geometry of Minkowskian spacetime
By describing the dynamical evolution of a test charged particle in the presence of an electromagnetic field and a succession of infinitesimal Lorentz boosts...
Electron and Positron Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the International Space Station
Precision measurements by the Alpha Magnetic Spectrometer on the International Space Station of the primary cosmic-ray electron flux in the range 0.5 to 700 GeV...
Electron temperature fluctuations in Seyfert galaxies
We use Gemini GMOS-IFU observations of three luminous nearby Seyfert galaxies (Mrk 79, Mrk 348, and Mrk 607) to estimate the electron temperature (T e)...
Electron-beam interaction with emission-line clouds in blazars
Context. An electron-positron beam escaping from the magnetospheric vacuum gap of an accreting black hole interacts with recombination-line photons from...
Electronic design of a solar correlation tracker based on a video motion estimation processor
A solar correlation tracker which compensates for image motion in the focal plane of a solar telescope is presented. The design has been implemented using...
Electroweak production of two jets in association with a Z boson in proton-proton collisions at √{s}= 13 {TeV}
A measurement of the electroweak (EW) production of two jets in association with a Z boson in proton-proton collisions at √{s}=13 {TeV} is presented, based on...
Elemental abundance survey of the Galactic thick disc
We have performed an abundance analysis for F- and G- dwarfs of the Galactic thick-disc component. A sample of 176 nearby (d= 70 per cent taken as certain...
Elemental Abundances of Kepler Objects of Interest in APOGEE. I. Two Distinct Orbital Period Regimes Inferred from Host Star Iron Abundances
The Apache Point Observatory Galactic Evolution Experiment (APOGEE) has observed ∼600 transiting exoplanets and exoplanet candidates from Kepler (Kepler Objects...