Abstract

In this paper we discuss the unique possibilities of studying atomic electron–positron pair production processes in high-resolution experiments at the high-energy storage ring (HESR) at the future FAIR accelerator complex. The two pair-production processes bound-free pair production and negative-continuum dielectronic recombination are contrasted. An overview of previous studies is given and requirements for experimental parameters of a magnetic forward-angle positron spectrometer at the HESR are depicted.

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