elusive
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Physics
New experimental half weight limit for elusive neutrinos
Installation of the internal electrode system for the main spectrometer of catrin. Credit: Markus Breig, kit Scientists seeking to discover the elusive mass of neutrinos, the small “ghost particles” that can solve some of the universe’s biggest mysteries, announced new limits on how much they can weigh, halving previous estimates. Since the existence of neutrinos was proposed almost a century…
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Physics
Physicists capture the elusive plasma instability in unprecedented detail
“Shadowgraphy” allows scientists to visualize fluctuations in plasma density and measure filament instability. Credit: Imperial College London For the first time, scientists have “photographed” the rare plasma instability in which high-energy electron beams form in spaghetti-like filaments. A new study published in the Physical Review Letter outlines how high-intensity infrared lasers were used to generate filamentation instability. This is a…
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Physics
Scientists use deep neural networks to map elusive liquid-liquid transition points
Left: Snapshot of molecular dynamics simulation of supercooled water. Right: Phase diagram of supercooled water predicted by molecular dynamics simulation using DNN@MB-Pol potential. The predicted liquid-liquid critical points are shown as stars at the edge of the widom line (blue), corresponding to the trajectory of maximum variation along the isobar. Also shown are coexistence lines (green), LDL (red) and HDL…
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