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Measuring the magnetism of antimatter: Researchers measure antiprotons more accurately than ever before

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At phys.org


(a) The CPT symmetry can be likened to a mirror that reflects spatial coordinates, flips charge and other additive quantum numbers, and reverses time. To test for cracks in this CPT mirror, physicists check whether the magnetic moment of the proton (lef
(image by APS/Alan Stonebraker)

In a breakthrough that could one day yield important clues about the nature of matter itself, a team of Harvard scientists have succeeding in measuring the magnetic charge of single particles of matter and antimatter more accurately than ever before. 'That is a spectacular jump in precision for any fundamental quality,' Gabrielse said, of the antiproton measurements. 'That's a leap that we don't often see in physics, at least not in a single step.' Such measurements, Gabrielse said, could one day help scientists answer a question that seems more suited for the philosophy classroom than the physics lab -- why are we here? Though their results still fit within the predictions made by the standard model, Gabrielse said being able to more accurately measure the characteristics of both matter and antimatter may yet help shed new light on how the universe works.

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At phys.org


 

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Why are we here? I have the answer in a poem of mi... by Hal O'Leary on Tuesday, Mar 26, 2013 at 10:51:38 AM