Extended Data Fig. 6: Polarization dependent datasets.

ARPES spectra measured with horizontal (left), circular left (middle) and circular right (right) polarization of the 5.9 eV laser at 3.5 K.
ARPES spectra measured with horizontal (left), circular left (middle) and circular right (right) polarization of the 5.9 eV laser at 3.5 K.