= Val Logsdon Fitch
{c}
{tag=Physicist}
= Val Fitch
{c}
{synonym}
= Val L. Fitch
{c}
{synonym}
= V. L. Fitch
{c}
{synonym}
An experimental <particle physicist> who coauthored the 1964 observation of <CP violation> in neutral <kaon> decay. The experiment sought two-<pion> decays in the long-lived neutral beam, reconstructing their kinematics with magnetic spectrometers. The signal tested a symmetry of the <weak interaction> through a rare process rather than a bulk property of matter.<Evidence for the 2π Decay of the K₂⁰ Meson by James H. Christenson and others>[Apparatus and rare two-pion decay result]{ref}
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