Scientists Get a Grip on Colliding Fermions to Enhance Atomic Clock Accuracy

Thursday, April 16, 2009 - 13:28 in Physics & Chemistry

Physicists have measured and controlled seemingly forbidden collisions between neutral strontium atoms--a class of antisocial atoms known as fermions that are not supposed to collide when in identical energy states. The advance makes possible a significant boost in the accuracy of atomic clocks based on hundreds or thousands of neutral atoms.

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