Bug fix. The excitation energy for our offline XPS is wrong in the xy files. Set it to 1253.6 eV during import

beamtime/nappFileList.m

@@ -649,6 +649,19 @@ if ~isempty(TmpFileList{1})
                             globalWorkFunction = sscanf(strtrim(extractAfter(lineStr, '# Eff. Workfunction:')), '%f');
                         elseif startsWith(lineStr, '# Excitation Energy:')
                             globalExEnergy = sscanf(strtrim(extractAfter(lineStr, '# Excitation Energy:')), '%f');
+                        % =========================================================================
+                        % OFFLINE XPS BUG FIX (Mg vs Al Source)
+                        % If the file lacks "Monochromator" in the header and the energy is 
+                        % incorrectly tagged as ~1453.6 or 1486.6, overwrite it to 1253.6 (Mg Ka).
+                        % =========================================================================
+                            if ~contains(headerText, 'Monochromator', 'IgnoreCase', true)
+                                % Checking both 1453.6 (as requested) and 1486.61 (as seen in your file)
+                                if (abs(globalExEnergy - 1453.6) < 1) || (abs(globalExEnergy - 1486.61) < 1)
+                                    globalExEnergy = 1253.6; 
+                                end
+                            end
+                        % =========================================================================
+                        
                         end
                     end
                 end