Results 21 to 30 of about 50,113 (163)
Architecture Design for Particle Transport Code Acceleration [PDF]
Jisuanji kexue, 2022 The stochastic simulation method of particle transport is usually used to solve the characteristic quantity of a large number of moving particles.Particle transport problems are widely found in the fields of medicine,astrophysics and nuclear phy-sics.The
FU Si-qing, LI Tie-jun, ZHANG Jian-min
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Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, 2009 The production of highly energetic beams of both electrons and ions is a major part of the experimental programme at the Central Laser Facility (CLF), STFC Rutherford Appleton Laboratory. Every year sees a significant number of experiments done in both areas. This has been complemented by theoretical studies that have been carried out at the CLF and UK
Norreys, P, Robinson, A, Trines, R
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The Solar Particle Acceleration Radiation and Kinetics (SPARK) Mission Concept
Aerospace, 2023 Particle acceleration is a fundamental process arising in many astrophysical objects, including active galactic nuclei, black holes, neutron stars, gamma-ray bursts, accretion disks, solar and stellar coronae, and planetary magnetospheres.
Hamish A. S. Reid +59 more
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Particle Acceleration Mechanisms
Space Science Reviews, 2008 We review the possible mechanisms for production of non-thermal electrons which are responsible for non-thermal radiation in clusters of galaxies. Our primary focus is on non-thermal Bremsstrahlung and inverse Compton scattering, that produce hard X-ray emission.
Petrosian, V., Bykov, A.
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Particle Injection and Nonthermal Particle Acceleration in Relativistic Magnetic Reconnection
The Astrophysical Journal, 2023 Magnetic reconnection in the relativistic regime has been proposed as an important process for the efficient production of nonthermal particles and high-energy emission. Using fully kinetic particle-in-cell simulations, we investigate how the guide-field
Omar French +3 more
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Acceleration of particles by acceleration horizons [PDF]
Physical Review D, 2013 We consider collision of two particles in the vicinity of the extremal acceleration horizon (charged or rotating) that includes the Bertotti-Robinson space-time and the geometry of the Kerr throat. It is shown that the energy in the centre of mass frame E_{c.m.} can become indefinitely large if parameters of one of the particles are fine-tuned, so the ...
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A Multi-Event Study of Early-Stage SEP Acceleration by CME-Driven Shocks—Sun to 1 AU
Frontiers in Astronomy and Space Sciences, 2022 The solar corona between below 10 solar radii is an important region for early acceleration and transport of solar energetic particles (SEPs) by coronal mass ejection-driven shock waves.
Kamen Kozarev +4 more
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On White Holes as Particle Accelerator [PDF]
Gravitation and Cosmology, 2018 We analyze scenarios of particle collisions in the metric of a nonextremal black hole that can potentially lead to ultrahigh energy $E_{c.m.}$ in their centre of mass frame. Particle 1 comes from infinity to the black hole horizon while particle 2 emerges from a white hole region.
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Case Studies in Thermal Engineering, 2021 The graphite particle dispersion characteristics with irregular shapes of dense gas-solid turbulent flow in downer reactor is numerically investigated using an improved kinetic friction stress model and a adopted drag coefficient describing momentum ...
Yang Liu +3 more
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Particle resonances and trapping of direct laser acceleration in a laser-plasma channel
Physical Review Accelerators and Beams, 2021 As one of the leading acceleration mechanisms in laser-driven underdense plasmas, direct laser acceleration (DLA) is capable of producing high-energy-density electron beams in a plasma channel for many applications.
F.-Y. Li +3 more
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