Results 31 to 40 of about 2,878 (188)
Galaxies, 2023 Recently, a series of high-precision measurements by various experiments show that cosmic ray nuclei spectra begin to harden at ∼200 GV and the boron-to-carbon (B/C) ratio has a similar trend around the same energy.
Qing Luo, Jie Feng, Pak-Hin Thomas Tam
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A mobile complex to record several secondary cosmic rays components [PDF]
E3S Web of Conferences, 2019 The paper presents a research of the different components variations of the secondary cosmic rays (SCR). These are being monitored at the Cosmic Rays Laboratory, PGI, Apatity, using an integrated set based on the SCR basic components detectors.
Mikhalko Evgenya, Maurchev Evgeny
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Secondary Antiprotons in Cosmic Rays
, 2001 High energy collisions of cosmic ray (CR) nuclei with interstellar gas are believed to be the mechanism producing the majority of CR antiprotons. The distinguishing spectral shape with a maximum at 2 GeV and a sharp decrease towards lower energies makes antiprotons a unique probe of the models of particle propagation in the Galaxy and modulation in the
Moskalenko, I. V. +4 more
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Secondary Radiation Produced by Cosmic Rays [PDF]
Nature, 1932 ON August 12, the date on which Regener obtained his very high-altitude cosmic ray data, using self-recording apparatus carried by a balloon,1 measurements were made on a mountain-top in the Himalaya at an altitude of about 19,500 ft. The results of these measurements indicate clearly that the ionisation of gas in an ionisation chamber is due at least ...
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Effects of 1 Gray radiation on the biophysical properties of the tibia and femur from hindlimb-suspended rats. [PDF]
Exp PhysiolAbstract Long‐term space travel (e.g. travel to Mars) will greatly exceed the recommended lifetime radiation dose of 600 millisieverts (mSv) and have a detrimental effect on skeletal fragility. Our objective was to determine if 1 Gray (GY) radiation impacts the biomechanical properties of the tibia and femur from rats under microgravity.
Hill BJF, Mehta R.
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Prospects of the air-shower radio array at the Tien Shan high-altitude scientific station
Вестник. Серия физическая, 2021 High energy astrophysics has been actively developed since the last decades. The photons and neutrinos produced at astrophysical sources were detected up to energies of PeV, while the measured spectrum of cosmic rays lasts from GeV to ZeV energies.
P.A. Bezyazeekov +2 more
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Stand-Alone Cosmic-Ray Tomography with Secondary Particles [PDF]
Journal of Advanced Instrumentation in ScienceThe imaging technique of cosmic-ray tomography is usually based on the measurement of muon transmis-sion and muon scattering within the examined volume. Secondary particles produced from the interaction of air shower particles with the target material have been proven to carry complementary informationdirectly related to the target material properties.
Maximilian Pérez Prada +2 more
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Graded Metallopolymer Structures with Shape‐Memory Abilities via DLP‐Based 3D‐Printing
Advanced Functional Materials, EarlyView.This study presents the digital light processing (DLP) based 3D printing of graded metallopolymers featuring shape‐memory abilities. The permanent shape can be recovered in two distinct steps with excellent rates. The obtained graded prints range from simple rod‐like structures to complex hollow materials.
Michael Klein +6 more
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The AMS-02 Cosmic-Ray Deuteron Flux is Consistent with a Secondary Origin
The Astrophysical Journal LettersThe recent measurements of cosmic-ray (CR) deuteron fluxes by AMS-02 show that the rigidity dependence of deuterons is similar with that of protons but flatter than ^3 He, which has been attributed to the existence of primary deuterons with abundance ...
Qiang Yuan, Yi-Zhong Fan
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Observing cosmic-ray extensive air showers with a silicon imaging detector
Scientific Reports, 2023 Extensive air showers induced from high-energy cosmic rays provide a window into understanding the most energetic phenomena in the universe. We present a new method for observing these showers using the silicon imaging detector Subaru Hyper Suprime-Cam ...
Satoshi Kawanomoto +9 more
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