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Leading-order relativistic corrections to the g-factor of H2+

Abstract : Relativistic corrections of order α 2 to the g-factor of H + 2 are calculated with a high accuracy of 9 significant digits for a wide range of rovibrational states. The precision of previous calculations [R. A. Hegstrom, Phys. Rev. A 19, 17 (1979)] is improved by about 5 orders of magnitude by performing nonadiabatic variational calculations and by including recoil corrections. These results allow for non-destructive identification of the internal state through measurement of spin-flip transition frequencies, which is a crucial requirement for proposed spectroscopy experiments on H + 2 and its antimatter counterpartH − 2 in Penning traps [E. G. Myers, Phys. Rev. A 98, 010101(R) (2018)]. Further, they pave the way towards precision calculations of the g-factor through calculation of higher-order QED corrections and hence to an alternative precision route to obtaining the proton-electron mass ratio.
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https://hal.archives-ouvertes.fr/hal-03341672
Contributor : Jean-Philippe Karr Connect in order to contact the contributor
Submitted on : Saturday, September 11, 2021 - 5:04:59 PM
Last modification on : Monday, December 6, 2021 - 4:22:01 PM

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  • HAL Id : hal-03341672, version 1

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Jean-Philippe Karr. Leading-order relativistic corrections to the g-factor of H2+. 2021. ⟨hal-03341672⟩

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