Exploring relativistic many-body recoil effects in highly charged ions

R. Soria Orts, Z. Harman, J. R.Crespo López-Urrutia, A. N. Artemyev, H. Bruhns, A. J.González Martínez, U. D. Jentschura, C. H. Keitel, A. Lapierre, V. Mironov, V. M. Shabaev, H. Tawara, I. I. Tupitsyn, J. Ullrich, A. V. Volotka

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The relativistic recoil effect has been the object of experimental investigations using highly charged ions at the Heidelberg electron beam ion trap. Its scaling with the nuclear charge Z boosts its contribution to a measurable level in the magnetic-dipole (M1) transitions of B- and Be-like Ar ions. The isotope shifts of A36r versus A40r have been detected with sub-ppm accuracy, and the recoil effect contribution was extracted from the 1s22s22p P1/22-P3/22 transition in Ar13+ and the 1s22s2p P13-P23 transition in Ar14+. The experimental isotope shifts of 0.00123(6) nm (Ar13+) and 0.00120(10) nm (Ar14+) are in agreement with our present predictions of 0.00123(5) nm (Ar13+) and 0.00122(5) nm (Ar14+) based on the total relativistic recoil operator, confirming that a thorough understanding of correlated relativistic electron dynamics is necessary even in a region of intermediate nuclear charges.

Original languageEnglish
Article number103002
JournalPhysical review letters
Issue number10
Publication statusPublished - szept. 15 2006

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Orts, R. S., Harman, Z., López-Urrutia, J. R. C., Artemyev, A. N., Bruhns, H., Martínez, A. J. G., Jentschura, U. D., Keitel, C. H., Lapierre, A., Mironov, V., Shabaev, V. M., Tawara, H., Tupitsyn, I. I., Ullrich, J., & Volotka, A. V. (2006). Exploring relativistic many-body recoil effects in highly charged ions. Physical review letters, 97(10), [103002]. https://doi.org/10.1103/PhysRevLett.97.103002