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BICEP3 tightens the bounds on cosmic inflation

A new analysis of the South Pole-based telescope’s cosmic microwave background observations has all but ruled out several popular models of inflation.

Zeeshan ahmedEva silversteinChao lin kuoPropulsion laboratoryDepartment of energyLaboratory directed researchNational science foundationTechnology facilities councilBetty moore foundationKeck foundationStanford universityOffice of communicationsCanada foundation for innovationNational accelerator laboratorySouth polePhysical review

BICEP3 tightens bounds on cosmic inflation

A new analysis of the South Pole-based telescope’s cosmic microwave background observations has all but ruled out several popular models of inflation

Zeeshan ahmedEva silversteinChao lin kuoPropulsion laboratoryDepartment of energyLaboratory directed researchNational science foundationTechnology facilities councilBetty moore foundationKeck foundationStanford universityCanada foundation for innovationNational accelerator laboratorySouth pole basedKeck collaborationSouth pole

Latest Results from Cosmic Microwave Background Measurements

The BICEP3 telescope located at the Amundsen-Scott South Pole Station in Antarctica. (The metal skirt around the telescope shields it from reflected

Steffen richterAmundsen scott south pole stationSouth poleKeck arrayPrimordial gravitational wavesKeck observationsReview letters

Physics - Squeezing down the Theory Space for Cosmic Inflation

An updated search for primordial gravitational waves has not found a signal, which implies that some popular early Universe models are becoming less viable.

United kingdomNoord hollandAlexei starobinskyDaniel meerburgSteffen richter harvard universityUniversity of torontoUniversity of cambridgeUniversity of amsterdamPrinceton universityUniversity of groningenTheory spaceHarvard universityKeck collaborationSouth poleHunting seasonPrimordial gravitational waves

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