Results 71 to 80 of about 201,431 (246)
Cosmic Ray Acceleration in Supernova Remnants
, 2010 We review the main observational and theoretical facts about acceleration of Galactic cosmic rays in supernova remnants, discussing the arguments in favor and against a connection between cosmic rays and supernova remnants, the so-called supernova ...
Blasi, Pasquale
core +1 more source
ChemistryEurope, EarlyView.Reacting Bis2GaBr (Bis = CH(SiMe3)2) with Bis2AlH selectively yields Bis2GaH, a monomeric hydride in solution, characterized by diffusion ordered spectroscopy NMR, infrared spectroscopy and indirectly via hydrogallation. A one‐pot route enables frustrated Lewis pairs Bis2EOPtBu2 (E = Al, Ga), with the gallium analog splitting H2 and showing a dynamic ...
Julian Buth +7 more
wiley +1 more source
Radio Observations of Supernova Remnants [PDF]
, 2002 Supernovae release an enormous amount of energy into the interstellar medium. Their remnants can observationally be traced up to several ten-thousand years.
Reich, W.
core +2 more sources
COSMIC RAY ACCELERATION AT PERPENDICULAR SHOCKS IN SUPERNOVA REMNANTS [PDF]
, 2014 Supernova remnants (SNRs) are believed to accelerate particles up to high energies through the mechanism of diffusive shock acceleration (DSA). Except for direct plasma simulations, all modeling efforts must rely on a given form of the diffusion ...
G. Ferrand +5 more
semanticscholar +1 more source
Establishing Indium in Frustrated Lewis Pair Chemistry: From Synthesis to Catalytic Applications
ChemistryEurope, EarlyView.Not that hard: The effects of chemical hardness of the soft FLP tBu2InCH2PtBu2 and its pyridine‐adduct tBu2In(py)CH2PtBu2 were examined in adduct formation reactions toward H2, CO2, and CS2. The frustrated Lewis pair shows catalytic activity in the reduction of CO2 with pinacolborane.
Daniel N. Heuer +6 more
wiley +1 more source
Doppler Broadening and Line-of-sight Effects in Core-collapse Supernovae and Young Remnants
The Astrophysical Journal, 2023 The dynamics and spectral characteristics of supernova ejecta reveal details of the supernova energetics, explosive nucleosynthesis, and evolution of the progenitor.
Taylor Jacovich +6 more
doaj +1 more source
Nearby supernova remnants and the cosmic-ray spectral hardening at high energies [PDF]
, 2011 Recent measurements of cosmic-ray spectra of several individual nuclear species by the CREAM, TRACER, and ATIC experiments indicate a change in the spectral index of the power laws at TeV energies.
Hörandel, Jörg R., Thoudam, Satyendra
core +2 more sources
Evolution of multiple supernova remnants [PDF]
, 2014 (Abridged) Heating of the interstellar medium by multiple supernovae (SNe) explosions is at the heart of producing galaxy-scale outflows. We use hydrodynamical simulations to study the efficiency of multiple SNe in heating the interstellar medium (ISM ...
E. Vasiliev, B. Nath, Y. Shchekinov
semanticscholar +1 more source
Ortho‐Carborane‐Derived Halogen‐Bonded Sandwich Complexes
Chemistry – A European Journal, EarlyView.A systematic co‐crystallization‐study of a tridentate ortho‐carborane‐based halogen‐bond donor with halides was performed. Several association complexes are evaluated to give further insights into the halogen bond‐strength of this moiety. For iodide, rare octahedral coordination via a sandwich‐like complexation was observed in the solid state when ...
Christoph J. Vonnemann +4 more
wiley +1 more source
Cosmic ray acceleration and escape from supernova remnants [PDF]
, 2013 Galactic cosmic ray (CR) acceleration to the knee in the spectrum at a few PeV is only possible if the magnetic field ahead of a supernova remnant (SNR) shock is strongly amplified by CR escaping the SNR.
A. Bell +3 more
semanticscholar +1 more source