Spontaneous Creation of Circularly Polarized Photons in Chiral Astrophysical Systems.
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DOI: 10.1103/physrevlett.124.211301
Abstract: This work establishes a relation between chiral anomalies in curved spacetimes and the radiative content of the gravitational field. In particular, we show that a flux of circularly polarized gravitational waves triggers the spontaneous creation… read more here.
Keywords: polarized photons; spontaneous creation; creation circularly; circularly polarized ... See more keywords
First Measurement Using Elliptically Polarized Photons of the Double-Polarization Observable E for γp→pπ^{0} and γp→nπ^{+}.
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DOI: 10.1103/physrevlett.132.121902
Abstract: We report the measurement of the helicity asymmetry E for the pπ^{0} and nπ^{+} final states using, for the first time, an elliptically polarized photon beam in combination with a longitudinally polarized target at the… read more here.
Keywords: polarized photons; first measurement; elliptically polarized; measurement ... See more keywords