M. Jentschel, W. Urban, P. Mutti, P. Courtois, G.S. Simpson, et al.. Measurements of the pair production cross section close to the threshold energy.
Physical Review C, American Physical Society, 2011, 84, pp.052501(R).
⟨10.1103/PhysRevC.84.052501⟩.
⟨in2p3-00640649⟩