B-mode

Noun

Meaning

(attributive) brightness mode: a common kind of two-dimensional ultrasound image

(attributive) A divergence-free, curl-only polarization signal in the cosmic microwave background radiation.

Examples

The BICEP2 experiment detected what was initially thought to be primordial B-mode polarization caused by gravitational waves in the early universe. Source: Internet

The team reported that POLARBEAR's measured B-mode polarization was of cosmological origin (and not just due to dust) at a 97.2% confidence level. Source: Internet

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