6.3 Figure 3

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6.3 Figure 3

$\begin{figure}\begin{center} {\leavevmode\hbox{\epsffile{pitt-507_fig3.eps}}} \end{center}\ \\ \end{figure}$

The imaginary part of the corrections $\Delta D^{BPP}$ and $\Delta D^{PP}$ for Z=92, given as a fraction of the corresponding imaginary part of the full forward Delbrück amplitude D. The net correction, being the sum of these, is also shown. The thresholds for production into the K shell (0.906 MeV) and ordinary pair production (1.022 MeV) are indicated.

Eoin Carney
1999-06-14