Stochastic Acceleration of Charged Particle (VIDEO)

University of California - Berkeley

Caption

To determine whether antihydrogen atoms have an electric charge, researchers confined them to the ALPHA trap and randomly pounded them with an electric field. If anti-atoms have a non-zero charge, they would eventually be kicked out of the trap, as in this simulation. The anti-atoms did not leave the trap, indicating that they are neutral to less than 1 part in a billion.

Credit

Joel Fajans, UC Berkeley

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