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Complete alpha(7) m Lamb shift of helium triplet states

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F21%3A10436088" target="_blank" >RIV/00216208:11320/21:10436088 - isvavai.cz</a>

  • Result on the web

    <a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=EkQPyi6pyb" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=EkQPyi6pyb</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevA.103.042809" target="_blank" >10.1103/PhysRevA.103.042809</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Complete alpha(7) m Lamb shift of helium triplet states

  • Original language description

    We have derived the complete formula for the alpha(7) m contribution to energy levels of an arbitrary triplet state of the helium atom, performed numerical calculations for the 2 S-3 and 2 P-3 states, and thus improved the theoretical accuracy of ionization energies of these states by more than an order of magnitude. Using the nuclear charge radius extracted from the muonic helium Lamb shift, we obtain the theoretical prediction in excellent agreement with the measured 2 S-3 - 2 P-3 transition energy [X. Zheng et al., Phys. Rev. Lett. 119, 263002 (2017)]. At the same time, we observe significant discrepancies with experiments for the 2 S-3 - 3 D-3 and 2 P-3 - 3(3)D transitions.

  • Czech name

  • Czech description

Classification

  • 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

Result continuities

  • 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)

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physical Review A

  • ISSN

    2469-9926

  • e-ISSN

  • Volume of the periodical

    103

  • Issue of the periodical within the volume

    4

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    10

  • Pages from-to

    042809

  • UT code for WoS article

    000646074500009

  • EID of the result in the Scopus database

    2-s2.0-85104466944