Results 41 to 50 of about 243,233 (254)

Radiation‐Absorptive Heat Transport in Buoyancy‐Driven MHD Nanofluids Flow With Cross‐Diffusion and Chemical Interaction Effects Over a Vertical Moving Plate

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This article investigates the Soret–Dufour cross‐diffusion effects on radiation‐absorptive unsteady free‐convection of magnetized nanofluids (TiO2–water$$ {\mathrm{TiO}}_2\hbox{--} \mathrm{water} $$ and Cu–water$$ \mathrm{Cu}\hbox{--} \mathrm{water} $$) flow over a vertical moving permeable plate.
B. Prabhakar Reddy   +2 more
wiley   +1 more source

High Energy Astrophysics

open access: yes, 1991
The development of the atmospheric Cherenkov imaging technique has led to significant advances in gamma-ray detection sensitivity in the energy range from 200 GeV to 50 TeV. The Whipple Observatory 10m reflector has detected the first galactic and extragalactic sources in the Northern Hemisphere; the Crab Nebula has been established as the standard ...
  +5 more sources

Highlights of DAMA/LIBRA

open access: yesEPJ Web of Conferences, 2016
The DAMA project develops and uses new/improved low background scintillation detectors to investigate the Dark Matter (DM) particle component(s) in the galactic halo and rare processes deep underground at the Gran Sasso National Laboratory (LNGS) of the ...
Bernabei R.   +16 more
doaj   +1 more source

Catalog of 3 < z < 5.5 Quasar Candidates Selected among XMM-Newton Sources and Its Spectroscopic Verification

open access: yesFrontiers in Astronomy and Space Sciences, 2017
We have compiled a catalog of 903 quasar candidates (including known quasars) at 3 < z < 5.5 selected among X-ray sources from the XMM-Newton serendipitous survey (3XMM-DR4 catalog).
Georgii Khorunzhev   +3 more
doaj   +1 more source

Mechanical Structure Design and Experimental Study of Gamma-ray Monitor for Small Satellite Payload

open access: yesApplied Sciences, 2022
In this paper, a novel mechanical structure for a gamma-ray monitor (GRM) is designed for a small satellite payload. Its structural stiffness, strength and dynamic response are directly related to the performance of the novel GRM, which must meet the ...
Pengfei Guo   +6 more
doaj   +1 more source

High Energy Astrophysics

open access: yes, 2014
Preface for Special Issue of Frontiers of Physics dedicated to High Energy Astrophysics, 3 ...
Zhang, Bing, Meszaros, Peter
openaire   +2 more sources

High-energy astrophysics and cosmology [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 2003
12 pages, 16 eps figures, uses espcrc2.sty. Talk presented at the XIIth International Symposium on Very-High-Energy Cosmic-Ray Interactions, CERN, July ...
openaire   +2 more sources

The THESEUS Space Mission and the Infrared Telescope Calibration Unit

open access: yesAstronomische Nachrichten, EarlyView.
ABSTRACT The Transient High‐Energy Sky and Early Universe Surveyor (THESEUS) is an ESA M7 mission concept currently in Phase A, designed to exploit gamma‐ray bursts to probe the early Universe while advancing multi‐messenger and time‐domain astrophysics. To achieve its ambitious goals, THESEUS will combine wide‐band x‐ray and gamma‐ray monitors with an
András Péter Joó   +9 more
wiley   +1 more source

Chaos in charged AdS black hole extended phase space

open access: yesPhysics Letters B, 2018
We present an analytical study of chaos in a charged black hole in the extended phase space in the context of the Poincare–Melnikov theory. Along with some background on dynamical systems, we compute the relevant Melnikov function and find its zeros ...
M. Chabab   +4 more
doaj   +1 more source

The Spectrum and Dips of RE 0751+14: A joint evaluation of ROSAT and ASCA Archival Data [PDF]

open access: yes, 1998
Using archival ASCA and ROSAT observations of RE 0751+14, X-ray energy spectra, pulse profiles and the results of pulse timing analysis are presented. The energy spectra are well-fitted by a blackbody model at low energy and a Raymond-Smith model at high
Alev, M.   +3 more
core   +2 more sources

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