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Get new outreach engine working.

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Kevin Dungs
2014-11-08 15:55:00 +01:00
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<p class="lead">You discovered CP violation!</p>
<h5><b>CP Symmetry</b></h5>
<p>C (Charge) and P (Parity, which can be thought of as “handedness”) are discrete transformations that can be applied to a physical system.</p>
<p>If a theory is symmetric under C, then it works the same if all particles are exchanged with their antiparticles.
If it has P-symmetry, then it is invariant under inversion (“mirroring”) of all spatial coordinates.</p>
<p>For a long time, physicists believed that all of physics is invariant under the combination CP of both symmetries.
<h4>CP Symmetry</h4>
<p data-min-level="1">C (Charge) and P (Parity) are discrete transformations that can be applied to a physical system.</p>
<p data-min-level="1">If a theory is symmetric under C, then it works the same if all particles are exchanged with their antiparticles.
If it has P-symmetry, then it is invariant under inversion ("mirroring") of all spatial coordinates</p>
<p data-min-level="5">For a long time, physicists believed that all of physics is invariant under the combination CP of both symmetries.
It turned out that this is wrong, as was discovered by Cronin, Fitch et al. in 1964 when they studied the decay of the neutral K meson.</p>
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