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Pionic measures of parity and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>CP</mml:mi></mml:math>violation in high energy nuclear collisions
The collisions of large nuclei at high energies could produce metastable vacua which are odd under parity P, charge conjugation C, and/or $\mathrm{CP}.$ Using only the three-momenta of charged pions (or kaons), we show how to construct global observables which are odd under P, C, and $CP,$ and which can …