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QED is not endangered by the proton's size
Pohl et al. have reported a very precise measurement of the Lamb-shift in muonic Hydrogen, from which they infer the radius characterizing the proton's charge distribution. The result is 5 standard deviations away from the one of the CODATA compilation of physical constants. This has been inter...
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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.2010.08.074 http://cds.cern.ch/record/1286797 |