Abstract
It is suggested that proton elastic scattering on atomic electrons allows a precise measurement of the proton charge radius. The main advantage is that inverse kinematics allows one to access with a huge cross section very small values of transferred momenta, up to four orders of magnitude smaller than the ones presently achieved.
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Gakh, G.I., Dbeyssi, A., Tomasi-Gustafsson, E. et al. Proton-electron elastic scattering and the proton charge radius. Phys. Part. Nuclei Lett. 10, 393–397 (2013). https://doi.org/10.1134/S1547477113050099
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DOI: https://doi.org/10.1134/S1547477113050099