Relativistic corrections to the Bethe logarithm for the 2 S-3 and 2 P-3 states of He

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F18%3A10384686" target="_blank" >RIV/00216208:11320/18:10384686 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1103/PhysRevA.98.032503" target="_blank" >https://doi.org/10.1103/PhysRevA.98.032503</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevA.98.032503" target="_blank" >10.1103/PhysRevA.98.032503</a>

Result language
angličtina
Original language name
Relativistic corrections to the Bethe logarithm for the 2 S-3 and 2 P-3 states of He
Original language description
With this work we start a project calculating the QED contribution of order alpha(7)m to the 2(3)P-2(3)S transition energy in helium, aiming for an accurate determination of the nuclear charge radius r(E) from measurements of the corresponding transition frequency. Together with the complementary determination of r(E) from muonic helium, this project will provide a stringent test of universality of electromagnetic interactions of leptons in the Standard Model. We report a calculation of the relativistic corrections to the Bethe logarithm for the 2(3)S and 2(3)P states, which is the most numerically demanding part of the project.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10300 - Physical sciences

Project
<a href="/en/project/GA18-00918S" target="_blank" >GA18-00918S: Quantum Dynamics of Astrophysically Important Molecules</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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