Search for CP violation in the gamma-ray sky

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Schema

Illustration.jpg



Illustration of the cut-sky with gamma rays distributed on it. Patches of radius R degrees are centered on the highest energy gamma rays. In those patches we test if the lower energy photons are distributed along left- or right-handed spirals.

Fermi Data

Fermi Data

Galactic Latitude and Source Cuts

Galactic latitude and Source Cuts

Evaluation of Q Statistic

Mathematica notebook: File:Cpgamma-northsouth.nb

Monte Carlo Simulations

Results

Combinedjan14z100bgt80.jpg


CP odd statistics (Qx10^-6) versus patch radius (R degrees) for the various energy combinations.