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Classical cross sections for relativistic spinning particles
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We propose a definition of classical differential cross sections for particles with essentially nonplanar orbits, such as spinning ones. We give also a method for its computation. The calculations are carried out explicitly for electromagnetic, gravitational, and short-range scalar interactions up to the linear terms in the slow-motion approximation. The contribution of the spin-spin terms is found to be at best 10-6 times the post-Newtonian ones for the gravitational interaction.
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BONA, Carles, FUSTERO, X. (Xavier) and VERDAGUER OMS, Enric. Classical cross sections for relativistic spinning particles. Physical Review D. 1983. Vol. 28, num. 2, pags. 317-324. ISSN 0556-2821. [consulted: 12 of June of 2026]. Available at: https://hdl.handle.net/2445/12400