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arXiv · 1804.03501

Dilepton photoproduction on a deuteron target

Carl E. Carlson·Vladyslav Pauk·Marc Vanderhaeghen
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Abstract

We investigate the sensitivity of the cross section for lepton pair production off a deuteron target, $\gamma d \to l^+ l^- d$, to the deuteron charge radius. We show that for small momentum transfers the Bethe-Heitler process dominates, and that it is sensitive to the charge radius such that a cross section ratio measurement of about $0.1 \%$ relative accuracy could give a deuteron charge radius more accurate that the current electron scattering value and sufficiently accurate to distinguish between the electronic and muonic atomic values.

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Carl E. Carlson, Vladyslav Pauk, Marc Vanderhaeghen. 2018-04-10. Dilepton photoproduction on a deuteron target. https://doi.org/10.1016/j.physletb.2019.134872

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