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Is the electron a composite particle? An experiment

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Abstract

The crucial problem of physics was first formulated by Democritus in the 5th century BC: to find the “ατоμα” or smallest uncuttable bits of matter. That has not changed ever since. Among the current candidates are electron and positron, the least expensive of today's bona fide ατоμα. Experimental tests of their non-compositeness by precisely measuring the gyromagnetic ratios of the individual trapped particles are reviewed.

“You know, it would be sufficient to really understand the electron”.

Albert Einstein

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Authors and Affiliations

  1. Department of Physics, University of Washington, 98195, Seattle, WA, USA

    Hans Dehmelt

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  1. Hans Dehmelt
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Dehmelt, H. Is the electron a composite particle? An experiment. Hyperfine Interact 81, 1–3 (1993). https://doi.org/10.1007/BF00567245

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