Summary
The scattering of μp atoms in the 1S state from gold atoms was calculated using semi-classical methods. The results were used to write a Monte Carlo program simulating backscattering from a gold surface. For isotropically incident μp of kinetic energy (0.035–10) eV it was found that approximately 5% escape from the surface. The fraction backscattered showed little dependence on the initial μp kinetic energy but increased greatly with incident angle from the normal to the surface.
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Viel, D. Scattering of muonic hydrogen atoms from a gold surface. Il Nuovo Cimento D 13, 1361–1367 (1991). https://doi.org/10.1007/BF02457124
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DOI: https://doi.org/10.1007/BF02457124