Radiative Recombination Studies for Bare Lead Ions Interacting with Low-Energy Electrons

Zhu, Bingguo; Stöhlker, Thomas

doi:10.3390/atoms11010002

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2023

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“…For ongoing atomic structure studies with highly-charged ions at the electron cooler of CRYRING@ESR storage ring [3], radiative recombination is the most dominant electron-ion recombination mechanism for the systems considered here. In this report, we present the first results for the RR rate coefficients generated by our code [4], which will be an important tool exploring the origin of the so-called rate enhancement observed up to now only for total RR rates [5].…”

Section: Introductionmentioning

confidence: 99%

Calculation of Radiative Recombination Rates for Hydrogen-Like Ions at High-Z

Zhu¹,

Stöhlker²

2023

Proceedings of FAIR Next Generation Scientists - 7th Edition Workshop — PoS(FAIRness2022)

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We report on the calculations of radiative recombination (RR) rate coefficients for very low, in the range of a few meV, relative electron-ion energies. The rate coefficients are derived for bare lead ions colliding with free electrons in a rigorous relativistic manner, in which all multipoles of electron-photon interaction under the inclusion of retardation effects are taken into account. We demonstrate that the measurements of absolute rate coefficients at electron cooler devices are really sensitive to the high Rydberg states, as well as to the transverse electron temperature 𝑘𝑇 ⊥ and the longitudinal electron temperature 𝑘𝑇 ∥ .

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Section: Introductionmentioning

confidence: 99%