Results 81 to 90 of about 629,027 (290)

BARYON LOADING EFFICIENCY AND PARTICLE ACCELERATION EFFICIENCY OF RELATIVISTIC JETS: CASES FOR LOW LUMINOSITY BL LACS [PDF]

open access: yes, 2016
Relativistic jets launched by supermassive black holes, so-called active galactic nuclei (AGNs), are known as the most energetic particle accelerators in the universe.
Y. Inoue, Yasuyuki T. Tanaka
semanticscholar   +1 more source

Rethinking the Origins of Cross‐Language Effects: How Heard Verbs Influence Japanese‐ and English‐Speaking Children's Attention to the Details of Actions

open access: yesDevelopmental Science, Volume 29, Issue 2, March 2026.
ABSTRACT Languages differ in how words carve up the world into categories, and these differences in lexical categories often influence how speakers interpret perceived events. Past research has shown that languages with a single and general word for one domain tend to cue attention more broadly than languages with multiple, more specific verbs.
Hiromichi Hagihara   +3 more
wiley   +1 more source

Electron jets in toroidal self-generated magnetic fields of nonextensive laser-produced plasma

open access: yesAIP Advances
Under the framework of nonextensive distribution, the modulation instabilities of annular self-generated magnetic fields and electron jets formed during laser-plasma interactions under both relativistic and non-relativistic conditions have been ...
Li Zhang, Zu Yang Zhao, Xiaolan Liu
doaj   +1 more source

Relativistic jets in narrow-line Seyfert 1 galaxies. New discoveries and open questions

open access: yesEPJ Web of Conferences, 2013
Before the launch of the Fermi satellite only two classes of AGNs were known to produce relativistic jets and thus emit up to the γ-ray energy range: blazars and radio galaxies, both hosted in giant elliptical galaxies.
D’Ammando F.   +4 more
doaj   +1 more source

DISCOVERY OF A PSEUDOBULGE GALAXY LAUNCHING POWERFUL RELATIVISTIC JETS [PDF]

open access: yes, 2016
Supermassive black holes launching plasma jets at close to the speed of light, producing gamma-rays, have ubiquitously been found to be hosted by massive elliptical galaxies.
J. Kotilainen   +6 more
semanticscholar   +1 more source

Radiation from relativistic jets [PDF]

open access: yesProceedings of Workshop on Blazar Variability across the Electromagnetic Spectrum — PoS(BLAZARS2008), 2009
Nonthermal radiation observed from astrophysical systems containing relativistic jets and shocks, e.g., gamma-ray bursts (GRBs), active galactic nuclei (AGNs), and Galactic microquasar systems usually have power-law emission spectra. Recent PIC simulations of relativistic electron-ion (electron-positron) jets injected into a stationary medium show that
Ken-Ichi Nishikawa, Y. Mizuno
openaire   +1 more source

Bursty Precipitation of Relativistic Electrons Unveiled by CIRBE/REPTile‐2 Measurements and Their Physical Implications

open access: yesAGU Advances, Volume 7, Issue 1, February 2026.
Abstract Energetic electron precipitation plays a pivotal role in shaping Earth's radiation belt dynamics and drives significant physical and chemical changes in the upper atmosphere. However, the detailed mechanisms governing the loss of relativistic electrons have remained unclear, largely due to the limited energy coverage and coarse resolution of ...
Zheng Xiang   +13 more
wiley   +1 more source

Relativistic Jets from AGN Viewed at Highest Angular Resolution

open access: yes, 2019
Accreting supermassive black holes in active galactic nuclei (AGN) produce powerful relativistic jets that shine from radio to GeV/TeV γ-rays. Over the past decade, AGN jets have extensively been studied in various energy bands and our knowledge about ...
K. Hada
semanticscholar   +1 more source

VARIABILITY IN ACTIVE GALACTIC NUCLEI FROM PROPAGATING TURBULENT RELATIVISTIC JETS [PDF]

open access: yes, 2016
We use the Athena hydrodynamics code to model propagating two-dimensional relativistic jets as approximations to the growth of radio-loud active galactic nuclei for various input jet velocities and jet-to-ambient matter density ratios. Using results from
M. Pollack, David Pauls, P. Wiita
semanticscholar   +1 more source

Spatial Distributions of Energetic Electrons and Energetic Ions in the Tail Reconnection Region: Cluster Observations and PIC Simulations

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract High‐energy particles are prevalent in space, and magnetic reconnection is one of the physical processes responsible for their generation. The heating and acceleration of ions and electrons typically occur respectively in the ion diffusion region and the electron diffusion region.
S. Y. Huang   +6 more
wiley   +1 more source

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