Results 41 to 50 of about 20,410 (109)

Probing the Sun's inner core using solar neutrinos: a new diagnostic method

open access: yes, 2013
The electronic density in the Sun's inner core is inferred from the 8B, 7Be and pep neutrino flux measurements of the Super-Kamiokande, SNO and Borexino experiments.
Lopes, Ilídio
core   +1 more source

A Brief, Biased View of Neutron Star Cooling

open access: yesAstronomische 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

Status and Recent Results of the Acoustic Neutrino Detection Test System AMADEUS

open access: yes, 2011
The AMADEUS system is an integral part of the ANTARES neutrino telescope in the Mediterranean Sea. The project aims at the investigation of techniques for acoustic neutrino detection in the deep sea.
Adrián-Martínez, S.   +157 more
core   +7 more sources

Intermediate Fluence Downward Terrestrial Gamma Ray Flashes as Observed by the Telescope Array Surface Detector

open access: yesJournal 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

New solar metallicity measurements

open access: yes, 2019
In the past years, a systematic downward revision of the metallicity of the Sun has led to the "solar modeling problem", namely the disagreement between predictions of standard solar models and inferences from helioseismology.
Vagnozzi, Sunny
core   +1 more source

GOES‐R Series X‐Ray Sensor (XRS): 1. Design and Pre‐Flight Calibration

open access: yesJournal 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

Recent Developments in Halide Perovskite Nanocrystals for Indirect X‐ray Detection

open access: yesAdvanced Materials Technologies, Volume 9, Issue 20, October 21, 2024.
Perovskite nanocrystals act as scintillators under X‐ray illumination with different conversion yield, stability, or decay times and outperform commercial materials, depending on their composition, host matrix, and luminescence process. Besides the lead halide perovskites, there are lead‐free alternatives providing self‐trapped exciton emission ...
Olexiy Balitskii   +2 more
wiley   +1 more source

Constraints on neutrino and dark radiation interactions using cosmological observations

open access: yes, 2012
Observations of the cosmic microwave background (CMB) and large-scale structure (LSS) provide a unique opportunity to explore the fundamental properties of the constituents that compose the cosmic dark radiation background (CDRB), of which the three ...
Das, Sudeep   +2 more
core   +1 more source

Smart mechanoluminescent phosphors: A review of zinc sulfide‐based materials for advanced mechano‐optical applications

open access: yesResponsive Materials, Volume 2, Issue 3, August 2024.
Zinc sulfide is a smart luminescent material with exceptionally outstanding mechanoluminescence properties. After over a century of research, it is now widely used in wearable devices, auxiliary lighting, stress sensing, anti‐counterfeiting, and other fields.
Zefeng Huang   +14 more
wiley   +1 more source

Possible Origin Of The Neutrino Speed Anomaly Reported By OPERA

open access: yes, 2011
Recently the OPERA collaboration reported a measurement of a superluminal speed of muon neutrinos travelling through the Earth's crust between their production site at CERN and their detection site under Gran Sasso, ~730 km away.
Dado, Shlomo, Dar, Arnon
core  

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