2026-08-20T15:36:17Zhttps://docta.ucm.es/rest/oai/requestoai:docta.ucm.es:20.500.14352/1009982025-09-02T16:59:46Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense
author
Peset Martín, Clara María
author
Pineda, Antonio
2024-02-09T15:20:05Z
2024-02-09T15:20:05Z
2015
Peset, Clara, y Antonio Pineda. «Model-Independent Determination of the Lamb Shift in Muonic Hydrogen and the Proton Radius». The European Physical Journal A, vol. 51, n.o 3, marzo de 2015, p. 32. DOI.org (Crossref), https://doi.org/10.1140/epja/i2015-15032-1.
1434-6001
10.1140/epja/i2015-15032-1
https://hdl.handle.net/20.500.14352/100998
1434-601X
https://doi.org/10.1140/epja/i2015-15032-1
We obtain a model-independent expression for the Lamb shift in muonic hydrogen. This expression includes the leading logarithmic terms, as well as the leading hadronic effects. The latter are controlled by the chiral theory, which allows for their model-independent determination. In this paper we give the missing piece for their complete expression including the pion and Delta particles. Out of this analysis, and the experimental measurement of the Lamb shift in muonic hydrogen, we determine the electromagnetic proton radius: fm. This number is at variance with respect to the CODATA value. The accuracy of our result is limited by uncomputed terms of . This parametric control of the uncertainties allows us to obtain a model-independent estimate of the error, which is dominated by hadronic effects.
eng
Attribution 4.0 International
Model-independent determination of the Lamb shift in muonic hydrogen and the proton radius
journal article
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