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QED confronts the radius of the proton
Recent results on muonic hydrogen [1] and the ones compiled by CODATA on ordinary hydrogen and $ep$-scattering [2] are $5\sigma$ away from each other. Two reasons justify a further look at this subject: 1) One of the approximations used in [1] is not valid for muonic hydrogen. This amounts to a shif...
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| Lenguaje: | eng |
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2010
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| Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2011.01.025 http://cds.cern.ch/record/1300932 |