Results 111 to 120 of about 61,289 (265)

Radiation‐Induced Degradation in Polymeric Materials: Alterations in Physical–Chemical Properties and Their Effects on Electrical Performance of Insulation Systems

High Voltage, EarlyView.
ABSTRACT This paper investigates the effects of radiation on polymeric materials used as insulation systems in electrical equipment such as cables for nuclear and particle accelerator applications. After a detailed description of the physics of radiation‐induced damage in the polymeric matrix, a comprehensive analysis of the physical–chemical and ...
Simone Vincenzo Suraci, Davide Fabiani
wiley   +1 more source

Observations of Large Scale Sidereal Anisotropy in 1 and 11 TeV cosmic rays from the MINOS experiment

, 2011
The MINOS Near and Far Detectors are two large, functionally-identical, steel-scintillating sampling calorimeters located at depths of 220 mwe and 2100 mwe respectively.
de Jong, J. K.
core   +2 more sources

Hybrid cosmic rays detector [PDF]

Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016), 2017
Diego Andrade, Julian Felix
openaire   +1 more source

Machine learning assisted masking of parasitic signals in Bragg coherent diffraction imaging

Journal of Synchrotron Radiation, EarlyView.
Bragg coherent diffraction imaging measurement sometimes requires manual and time‐consuming cleaning of parasitic signals termed `aliens' from nearby particles that can affect the phase retrieval reconstruction. Here, we propose using a clustering technique to speed up this process while keeping the resolution of the reconstructed object high.
Ewen Bellec, Steven J. Leake, Mor Levi, Eugen Rabkin, Tobias U. Schülli, Marie-Ingrid Richard   +5 more
wiley   +1 more source

Prospects of detecting cosmic ray up-scattered dark matter with DUNE

Journal of High Energy Physics
Detection of sub-GeV dark matter (DM) particles in direct detection experiments is inherently difficult, as their low kinetic energies in the galactic halo are insufficient to produce observable recoils of the heavy nuclei in the detectors.
Richard Diurba, Helena Kolešová
doaj   +1 more source

Grand unification and possible matter-antimatter domain structure in the universe [PDF]

The theory and basic concepts for the development of a matter-antimatter domain cosmology are outlined within the framework of the grand unified gauge theory paradigm.
Stecker, F. W.
core   +1 more source

Measurements of the Cosmic Ray Composition with Air Shower Experiments

, 2012
In this paper we review air shower data related to the mass composition of cosmic rays above 10$^{15}$ eV. After explaining the basic relations between air shower observables and the primary mass and energy of cosmic rays, we present different approaches
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core   +1 more source

A North Greenland‐wide in situ cosmogenic 14C ice sheet chronology since the Lateglacial

Boreas, EarlyView.
Knowledge of the glacial history of the North Greenland Ice Sheet is crucial due to its high sensitivity to climate change. However, because the ice sheet in this region is predominantly cold‐based, resulting in low erosion rates, using 10Be exposure dating to establish reliable ice sheet chronologies has proven very challenging due to nuclide ...
Anne Sofie Søndergaard, Astrid Rosenberg, Mads Faurschou Knudsen, Kristina Hippe, Marcus  Christl, Negar Haghipour, Olivia Steinemann, Kurt H. Kjær, Nicolaj Krog Larsen   +8 more
wiley   +1 more source

Cosmic ray antimatter and baryon symmetric cosmology [PDF]

The relative merits and difficulties of the primary and secondary origin hypotheses for the observed cosmic-ray antiprotons, including the new low-energy measurement of Buffington, et al.
Kazanas, D., Protheroe, R. J., Stecker, F. W.   +2 more
core   +1 more source

Cosmic ray sources and detectors

The European Physical Journal Special Topics
Abstract The origin of cosmic rays has remained an enduring mystery in astrophysics since their discovery by Victor Hess in 1912. However, extensive studies on the energy spectrum, mass composition, and angular distributions of cosmic rays have been conducted through both space-based and ground-based experiments.
openaire   +1 more source