Breaking the degeneracy between polarization efficiency and cosmological parameters in CMB experiments

Silvia Galli,1, * W. L. Kimmy Wu,2, 3, † Karim Benabed,1 François Bouchet,1 Thomas M. Crawford,3, 4 and Eric Hivon1 1Sorbonne Université, CNRS, Institut d’Astrophysique de Paris, 98 bis Boulevard Arago, F-75014 Paris, France 2SLAC National Accelerator Laboratory & KIPAC, 2575 Sand Hill Road, Menlo Park, CA 94025 3Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, U.S.A 4Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL, 60637, USA (Dated: February 9, 2021)

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