Merge pull request #27685 from mantidproject/27878_fix_MayersSampleCorrection_with_dummy_pixels

Fix bug with dummy detectors in MayersSampleCorrection

Framework/Algorithms/src/SampleCorrections/MayersSampleCorrection.cpp

@@ -127,7 +127,7 @@ void MayersSampleCorrection::exec() {
     PARALLEL_START_INTERUPT_REGION
 
     if (!spectrumInfo.hasDetectors(i) || spectrumInfo.isMonitor(i) ||
-        spectrumInfo.isMasked(i)) {
+        spectrumInfo.isMasked(i) || spectrumInfo.l2(i) == 0) {
       continue;
     }
 

docs/source/release/v4.3.0/diffraction.rst

@@ -41,6 +41,7 @@ Powder Diffraction
 ------------------
 
 - A bug has been fixed that prevented unicode strings being given as a lim file directory in polaris create_total_scattering_pdf merging banks.
+- A bug has been fixed that caused Polaris.focus to fail with `do_absorption_Corrections=True`.
 
 Engineering Diffraction
 -----------------------