Collision physics is a research area within atomic, molecular, and optical physics that investigates the fundamental processes occurring when particles such as atoms, ions, electrons, or molecules interact and scatter. It focuses on quantifying cross sections, differential scattering distributions, energy and momentum transfer, charge exchange, ionization, excitation, and recombination in two-body and few-body collisions over a wide range of energies. The field employs quantum scattering theory, semiclassical approaches, and sophisticated numerical methods, and relies on accelerator-based, crossed-beam, and trap-based experiments to test interaction potentials, probe short-range forces, and benchmark many-body and plasma models relevant to astrophysics, fusion, radiation physics, and materials modification.
In massive particle accelerators, sub-atomic particles (like electrons) are sped up to super-high speeds comparable to the speed of light towards a target surface. The collision of accelerated sub-atomic particles gives rise ...
Optics & Photonics
Mar 13, 2024
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When charged particles are shot through ultra-thin layers of material, sometimes spectacular micro-explosions occur, and sometimes the material remains almost intact. The reasons for this have now been explained by researchers ...
Nanophysics
Nov 28, 2022
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How do different materials react to the impact of ions? This is a question that plays an important role in many areas of research—for example, in nuclear fusion research, when the walls of the fusion reactor are bombarded ...
Nanophysics
Aug 22, 2022
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730
