Precision Test of Many-Body QED in the Be$^+$ $2p$ Fine Structure Doublet Using Short-Lived Isotopes

Autor: Nörtershäuser, Wilfried, Geppert, Christopher, Krieger, Andreas, Pachucki, Krzysztof, Puchalski, Mariusz, Blaum, Klaus, Bissell, Mark L., Frömmgen, Nadja, Hammen, Michael, Kowalska, Magdalena, Krämer, Jörg, Kreim, Kim, Neugart, Rainer, Neyens, Gerda, Sánchez, Rodolfo, Yordanov, Deyan T.

Publikováno v: Phys. Rev. Lett. 115, 033002 (2015)

Absolute transition frequencies of the $2s\; ^2{\rm S}_{1/2} \rightarrow 2p\;^2\mathrm{P}_{1/2,3/2}$ transitions in Be$^+$ were measured for the isotopes $^{7,9-12}$Be. The fine structure splitting of the $2p$ state and its isotope dependence are ext

Externí odkaz: http://arxiv.org/abs/1507.03830

The nuclear magnetic moment of ��������Bi and its relevance for a test of bound-state strong-field QED

Autor: Schmidt, Stefan, Billowes, Jonathan, Bissell, Mark L., Blaum, Klaus, Garcia Ruiz, Ronald Fernando, Heylen, Hanne, Malbrunot-Ettenauer, S., Neyens, Gerda, Nörtershäuser, Wilfried, Plunien, G., Sailer, S., Shabaev, Vladimir M., Skripnikov, Leonid V., Tupitsyn, Ilya I., Volotka, Andrey V., Yang, Xiaofei

The hyperfine structure splitting in the 6p2 4S3/2 -> 6p27s 4P1/2 transition at 307 nm in atomic 208Bi was measured with collinear laser spectroscopy at ISOLDE, CERN. The hyperfine A and B factors of both states were determined with an order of magni

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d15ceaef6a84be8c9f3947b71a239fc3

Quadrupole moments of odd-A �������������Mn: Onset of collectivity towards N = 40

Autor: Babcock, Carla, Heylen, Hanne, Bissell, Mark L., Blaum, Klaus, Campbell, Paul, Cheal, Bradley, Fedorov, D.V., Garcia Ruiz, Ronald Fernando, Geithner, Wolfgang, Gins, Wouter, Day Goodacre, Thomas, Grob, L.K., Kowalska, Magdalena A., Lenzi, Silvia Monica, Maass, Bernhard, Malbrunot-Ettenauer, S., Marsh, Bruce Allan, Neugart, Rainer, Neyens, Gerda, N��rtersh��user, Wilfried, Otsuka, Takaharu, Rossel, Ralf Erik, Rothe, Sebastian, S��nchez, Rodolfo M., Tsunoda, Yusuke, Wraith, Calvin, Xie, Liang, Yang, Xiaofei

The spectroscopic quadrupole moments of the odd���even Mn isotopes between N=28 and N=38 have been measured using bunched-beam collinear laser spectroscopy at ISOLDE, CERN. In order to increase sensitivity to the quadrupole interaction, the mea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a982f76c1b6f01c047368d79ca167402

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Collinear laser spectroscopy of atomic cadmium

Autor: Fr��mmgen, Nadja, Balabanski, Dimiter L., Bissell, Mark L., Biero��, Jacek, Blaum, Klaus, Cheal, Bradley, Flanagan, Kieran, Fritzsche, Stephan, Geppert, Christopher, Hammen, Michael, Kowalska, Magdalena, Kreim, Kim, Krieger, Andreas, Neugart, Rainer, Neyens, Gerda, Rajabali, Mustafa M., N��rtersh��user, Wilfried, Papuga, Jasna, Yordanov, Deyan T.

Publikováno v: European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics
The European Physical Journal D : Atomic, molecular, optical and plasma physics
The European Physical Journal D : Atomic, molecular, optical and plasma physics, EDP Sciences, 2015, 69 (6), pp.164. ⟨10.1140/epjd/e2015-60219-0⟩

Hyperfine structure $A$ and $B$ factors of the atomic $5s\,5p\,\; ^3\rm{P}_2 \rightarrow 5s\,6s\,\; ^3\rm{S}_1$ transition are determined from collinear laser spectroscopy data of $^{107-123}$Cd and $^{111m-123m}$Cd. Nuclear magnetic moments and elec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::814dd81288612c3707a043c0a08dec77
https://hdl.handle.net/11858/00-001M-0000-0027-B4D9-E