\relax \citation{CL} \citation{Henke} \citation{Chantler1995} \@writefile{toc}{\contentsline {section}{Introduction}{1}} \citation{Scofield} \citation{Saloman} \citation{Henke1993} \citation{Saloman1988} \citation{Chantler1995} \citation{Chantler2000} \citation{Chantler1995} \citation{Chantler2000} \citation{Saloman} \citation{Saloman1988} \citation{Saloman1988} \citation{Henke} \citation{Henke1993} \citation{Cullen} \citation{Saloman1988} \citation{Wang} \citation{Gerward} \citation{CreaghMc} \citation{Saloman1988} \citation{Wang} \citation{Gerward} \citation{CreaghMc} \@writefile{toc}{\contentsline {section}{Major discrepancies}{2}} \citation{Wang} \citation{Gerward} \@writefile{lof}{\contentsline {figure}{\numberline {1}{\ignorespaces Attenuation in silver relative to Chantler (1995) $\sigma _{PE}$. Scattering indicated by Chantler $\sigma _{TOT}$. Silver shows an array of data\nobreakspace {}\cite {Saloman1988} quoted at 1\% - 3\%, but with variation of 28\%, or 16\% for more recent measurements. Theory shows variations of 7\%. }}{3}} \newlabel{Silver}{{1}{3}} \@writefile{lof}{\contentsline {figure}{\numberline {2}{\ignorespaces Major discrepancies in the form factor of copper. Scattering is minor. Quoted experimental uncertainty given by symbol size\nobreakspace {}\cite {Saloman1988,Wang,Gerward,CreaghMc}. Measurements of f$^{\prime \prime }$ or $\sigma _{PE}$ for copper have quoted 1\% accuracy, but discrepancies reach 25\% near edges and 8\% away from edges. This has been stressed recently. Theories disagree by 6\%, and experiment and theory disagree by 12\% away from edges.}}{3}} \newlabel{Copper}{{2}{3}} \@writefile{toc}{\contentsline {section}{Reliability criteria for Experimental Results: Which should one consult?}{3}} \citation{CreaghH} \citation{ChantlerOptQ} \citation{ChantlerCopper} \citation{CreaghH} \citation{Mika} \citation{Chantler1994} \citation{Henke1993} \citation{ChantlerOptQ} \citation{CreaghMc} \citation{Zhou} \@writefile{toc}{\contentsline {section}{Uncertainties near soft X-ray LII, LIII, MIV, MV edges}{4}} \citation{Saloman1988} \citation{Chantler1995} \citation{Henke} \citation{Scofield} \citation{Chantler2000} \citation{Saloman1988} \citation{Chantler1995} \citation{Henke} \citation{Scofield} \citation{Chantler2000} \citation{Chantler1995} \citation{Krypton} \citation{Chantler2000} \citation{Krypton} \citation{Chantler2000} \citation{Krypton} \citation{ChantlerCopper} \citation{stanglmeier} \citation{Wang} \citation{Sandiago} \citation{CreaghMc} \citation{Chantler1995} \citation{Chantler2000} \citation{CreaghMc} \citation{ChantlerCopper} \citation{stanglmeier} \citation{Wang} \citation{Sandiago} \citation{CreaghMc} \citation{Chantler1995} \citation{Chantler2000} \citation{CreaghMc} \@writefile{lof}{\contentsline {figure}{\numberline {3}{\ignorespaces Attenuation in Zn (Z=30), represented by Im (f). Experimental data from\nobreakspace {}\cite {Saloman1988}. Refs\nobreakspace {}\cite {Chantler1995,Henke,Scofield} agree with available experiment, but all have large error, as indicated by the new result\nobreakspace {}\cite {Chantler2000}.}}{5}} \newlabel{Zinc}{{3}{5}} \@writefile{lof}{\contentsline {figure}{\numberline {4}{\ignorespaces Plot illustrating the consistency of near-edge structure between experiment\nobreakspace {}\cite {Krypton} and\nobreakspace {}\cite {Chantler2000}, as opposed to earlier theory. Im (f) = $f_2$. Experimental values include contributions from scattering. $[\mu /\rho ]$ (in cm2/g) = $f_2$ (e/atom) $\times 5.02152\times 10^5$.}}{6}} \newlabel{Kr}{{4}{6}} \@writefile{lof}{\contentsline {figure}{\numberline {5}{\ignorespaces Comparison between\nobreakspace {}\cite {ChantlerCopper} and earlier measurements\nobreakspace {}\cite {stanglmeier,Wang,Sandiago,CreaghMc} for copper. Data are compared to theory\nobreakspace {}\cite {Chantler1995,Chantler2000}, $\{\%={[\mu /\rho ]-[\mu /\rho ]_{theory}\over [\mu /\rho ]_{theory}}\}$, with theoretical uncertainty given by the region between dashed lines, which increases to 20\% near the K-edge. The comparison of mass absorption coefficient is identical to that of Im(f). An alternate theory\nobreakspace {}\cite {CreaghMc} agrees with the reference theory, and agreement of the experimental data with current theory is good. }}{6}} \newlabel{Copperexpt}{{5}{6}} \@writefile{toc}{\contentsline {section}{Current Experimental Issues}{6}} \citation{Chantler2000} \bibcite{CL}{1} \bibcite{Henke}{2} \bibcite{Chantler1995}{3} \bibcite{Scofield}{4} \bibcite{Saloman}{5} \bibcite{Henke1993}{6} \bibcite{Saloman1988}{7} \bibcite{Chantler2000}{8} \bibcite{Cullen}{9} \bibcite{Wang}{10} \bibcite{Gerward}{11} \bibcite{CreaghH}{12} \bibcite{ChantlerOptQ}{13} \bibcite{ChantlerCopper}{14} \@writefile{toc}{\contentsline {section}{Conclusion}{7}} \bibcite{Mika}{15} \bibcite{Chantler1994}{16} \bibcite{CreaghMc}{17} \bibcite{Zhou}{18} \bibcite{Krypton}{19} \bibcite{stanglmeier}{20} \bibcite{Sandiago}{21}