Kinky particles: the GRAPES-3 experiment in Ooty, India depicted with a simulated cosmic ray shower. The inset shows the cosmic ray proton spectrum measurement by GRAPES-3 along with observations by ...
Recent advances in the observation of high-energy radiations, including X-rays and gamma-rays, have unveiled many high-energy aspects of the universe. To achieve a complete understanding of these ...
Long-term study The HESS observatory in Namibia has made a “unique measurement” of the electron and positron cosmic ray spectrum. (Courtesy: Klepser/DESY/HESS collaboration/CC BY-SA 3.0) A new ...
An international team of researchers extended their results from a previous study to directly measure the cosmic-ray all-electron (electron + positron) spectrum in an energy range from 11 GeV to 4.8 ...
Catching an unexpected spectrum Steve Schulze, an astrophysicist at Northwestern University, spotted the object while combing ...
Galactic cosmic rays (GCRs) are energetic particles traveling across the Galaxy as high-energy beams, and are a unique probe to explore the astrophysical particle accelerators and the interstellar ...
When you look up at the night sky, it seems deep black with bright stars scattered across it. That familiar view leads many to assume that the universe itself must be black. But astronomers have asked ...
THE shape of the spectrum of cosmic ray electrons in the 100 GeV range and beyond can provide information about a variety of problems in cosmic ray astrophysics. The differential energy spectrum ...
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