Results 31 to 40 of about 41,384 (308)
The most energetic particles [PDF]
Astronomy and Geophysics, 2004 The 3rd International Workshop on Ultra High Energy Cosmic Rays covered such topics as results from experiments, theory and models, and the links with γ-rays, neutrinos, dark matter and the cosmic microwave background radiation. David Newton reports.
openaire +1 more source
A Living Catalog of Parker Solar Probe IS⊙IS Energetic Particle Enhancements
The Astrophysical Journal Supplement Series, 2023 Energetic charged particles are pervasive throughout the heliosphere with contributions from solar energetic particle events, stream and corotating interaction regions, galactic cosmic rays, anomalous cosmic rays, and suprathermal ions.
J. G. Mitchell +17 more
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Time distributions of solar energetic particle events: Are SEPEs really random?
, 2009 Solar energetic particle events (SEPEs) can exhibit flux increases of several orders of magnitude over background levels and have always been considered to be random innature in statistical models with no dependence of any one event on the occurrence of ...
Jiggens, P.T.A., Gabriel, S.B.
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Proton Acceleration in Low-β Magnetic Reconnection with Energetic Particle Feedback
The Astrophysical JournalMagnetic reconnection regions in space and astrophysics are known as active particle acceleration sites. There is ample evidence showing that energetic particles can take a substantial amount of converted energy during magnetic reconnection.
Jeongbhin Seo +3 more
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Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation
FEBS Letters, EarlyView.Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe +3 more
wiley +1 more source
, 2011 Within the ITPA Topical Group on Energetic Particles, we have investigated the impact that various mechanisms breaking the tokamak axisymmetry can have on the fusion alpha particle confinement in ITER as well as on the wall power loads due to these ...
T. Kurki-Suonio +26 more
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The Astrophysical JournalThe Fe/O enhancements exhibit significant variations in gradual solar energetic particle (SEP) events. Several causes have been suggested including transport effects in the interplanetary space and flare contribution.
Jinhye Park +3 more
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FEBS Letters, EarlyView.The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li +2 more
wiley +1 more source
Reconstructing PSP/ISOIS Pitch-angle-resolved Intensities Using Unsupervised Learning
The Astrophysical JournalThe Integrated Science Investigation of the Sun (IS⊙IS) on board the Parker Solar Probe provides high-resolution measurements of energetic particles across a broad energy range. Of particular interest are the pitch-angle distributions (PADs), which offer
Spiridon Kasapis +10 more
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FEBS Letters, EarlyView.We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee +3 more
wiley +1 more source