The Parity-Odd EB Spectrum Implied by a Uniform Rotation: Amplitude Ratios from Measured E-Mode and B-Mode Power

This paper examines what size of parity-odd EB correlation a uniform rotation of a few tenths of a degree necessarily produces, given the measured disparity between E-mode and B-mode power, and whether that implied signal is comfortably inside or outside present sensitivity. The calculation is performed from stated assumptions and published polarisation measurements, using the deposited script so that every quoted number can be reproduced. The headline outputs are: beta deg = 0.30; factor = 0.0105; EB uK2 = 0.471; EB over EE pct = 1.05; factor 1deg = 0.0349. The treatment separates what the published measurements supply from what a theoretical framework must additionally provide; where a required quantity is not supplied, that absence is reported plainly as a negative result rather than replaced by an assumed value. The study is computed from stated assumptions and published inputs; it is not a new measurement. SIMULATED, NOT MEASURED in the sense that all derived quantities are calculated, not observed.