Results 71 to 80 of about 46,883 (245)
Dark Energy From the Gravitational Wave Background With Scalar Field Dark Matter
Astronomische Nachrichten, Volume 346, Issue 3-4, March-May 2025.ABSTRACT Recent observational results, such as those from pulsar timing arrays (PTA), suggest a low‐frequency Gravitational Wave Background (GWB) permeates our universe. This opens the possibility that gravitational waves could span a broader spectrum, potentially impacting cosmological scales.
Edwin L. Pérez‐Ochoa, Tonatiuh Matos
wiley +1 more source
Ultra High Energy Cosmic Rays, Z-Shower and Neutrino Astronomy by Horizontal-Upward Tau Air-Showers
, 2003 Ultra High Cosmic Rays (UHECR) Astronomy may be correlated to a primary parental Neutrino Astronomy: indeed any far BL Lac Jet or GRB, sources of UHECR, located at cosmic edges, may send its signal, overcoming the severe GZK cut-off, by help of UHE ZeV ...
Fargion, D.
core +1 more source
On Stellar Evolution in a Neutrino Hertzsprung–Russell Diagram
The Astrophysical Journal, 2020 We explore the evolution of a select grid of solar metallicity stellar models from their pre-main-sequence phase to near their final fates in a neutrino Hertzsprung–Russell diagram, where the neutrino luminosity replaces the traditional photon luminosity.
Ebraheem Farag +4 more
doaj +1 more source
A Brief, Biased View of Neutron Star Cooling
Astronomische Nachrichten, Volume 346, Issue 1, January 2025.ABSTRACT This is a concise and non‐technical review of topics related to neutron star (NS) cooling, for both young NSs and NSs in low‐mass x‐ray binaries. Neutrino emission from the NS core drives cooling rates, via different processes including Urca processes and pair breaking and formation at the neutron superfluid critical temperature.
Craig Heinke
wiley +1 more source
Journal of Geophysical Research: Atmospheres, Volume 129, Issue 24, 28 December 2024.Abstract On 11 September 2021, two small thunderstorms developed over the Telescope Array Surface Detector (TASD) that produced an unprecedented number of six downward terrestrial gamma ray flashes (TGFs) within one‐hour timeframe. The TGFs occurred during the initial stage of negative cloud‐to‐ground flashes whose return strokes had increasingly large
R. U. Abbasi +144 more
wiley +1 more source
GOES‐R Series X‐Ray Sensor (XRS): 1. Design and Pre‐Flight Calibration
Journal of Geophysical Research: Space Physics, Volume 129, Issue 11, November 2024.Abstract The X‐Ray Sensor (XRS) has been making full‐disk observations of the solar soft X‐ray irradiance onboard National Oceanic and Atmospheric Administration's (NOAA) Geostationary Operational Environmental Satellites since 1975. Critical information about solar activity for space weather operations is provided by XRS measurements, such as the ...
Thomas N. Woods +6 more
wiley +1 more source
The Highest Energy Cosmic Rays, Gamma Rays and Neutrinos: Facts, Fancy and Resolution
, 2001 Although cosmic rays were discovered 90 years ago, we do not know how and where they are accelerated. There is compelling evidence that the highest energy cosmic rays are extra-galactic -- they cannot be contained by our galaxy's magnetic field anyway ...
Halzen, F.
core +1 more source
Future Long-Baseline Neutrino Facilities and Detectors
Advances in High Energy Physics, 2013 We review the ongoing effort in the US, Japan, and Europe of the scientific community to study the location and the detector performance of the next-generation long-baseline neutrino facility. For many decades, research on the properties of neutrinos and
Milind Diwan +5 more
doaj +1 more source
A Soil Scientist Goes to Washington: Navigating the Path to National Science Leadership
AGU Advances, Volume 6, Issue 3, June 2025.
Asmeret Asefaw Berhe
wiley +1 more source