Experimental Limit for the Electron-Proton Charge Difference
- 1 January 1957
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 105 (1), 170-172
- https://doi.org/10.1103/physrev.105.170
Abstract
By a study of the deflection of a beam of CsI molecules in a homogeneous electric field an upper limit is established for the charge on a CsI molecule. This upper limit is 1.7× esu or 4× of the electronic charge, and implies that the magnitude of the electron-proton charge difference is less than 3× of the electronic charge or that the charge on a neutron is less than 2× of the electronic charge.
Keywords
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