Jeff, Oli

Along with trying to verify the current location of the BBSS's primary prism on LLO and LHO's dummy masses (87767), we also wanted to check to see if we were near a point of instability for the prism relative to the center of mass of the dummy test mass. I plotted the model with the original value for d4, 2.67mm, alongside models with OG d4 +/- 1mm, 2mm, and 3mm. They all look like stable places to put the prism, so it looks like we don't have to worry. The plots can be found at /ligo/svncommon/SusSVN/sus/trunk/BBSS/Common/Results/comparetripleparams/2025-10-28_BBSS_d4nom_plusminus3mm/triplemodelcomp_2025-10-28_BBSS_d4nom_plusminus3mm_M1toM1.pdf svn r12759