# High-resolution measurement of the time-modulated orbital electron capture and of the β+ decay of hydrogen-like 142Pm60+ ions

@article{Kienle2013HighresolutionMO,
title={High-resolution measurement of the time-modulated orbital electron capture and of the $\beta$+ decay of hydrogen-like 142Pm60+ ions},
author={T. Kienle and F. Bosch and P. Buhler and T. Faestermann and Y. Litvinov and M. Sanjari and D. Shubina and N. Winckler and D. Atanasov and H. Geissel and V. Ivanova and X. L. Yan and D. Boutin and C. Brandau and I. Dillmann and C. Dimopoulou and R. Hess and P. Hillebrand and T. Izumikawa and R. Knobel and J. Kurcewicz and N. Kuzminchuk and M. Lestinsky and S. Litvinov and X. Ma and L. Maier and M. Mazzocco and I. Mukha and C. Nociforo and F. Nolden and C. Scheidenberger and U. Spillmann and M. Steck and T. Stohlker and B. Sun and F. Suzaki and T. Suzuki and S. Torilov and M. Trassinelli and X. Tu and M. Wang and H. Weick and D. Winters and N. Winters and P. Woods and T. Yamaguchi and G. L. Zhang},
journal={Physics Letters B},
year={2013},
volume={726},
pages={638-645}
}
Abstract The periodic time modulations, found recently in the two-body orbital electron capture (EC) decay of both, hydrogen-like 140Pr58+ and 142Pm60+ ions, with periods near to 7 s and amplitudes of about 20%, were re-investigated for the case of 142Pm60+ by using a 245 MHz resonator cavity with a much improved sensitivity and time resolution. We observed that the exponential EC decay is modulated with a period T = 7.11 ( 11 ) s , in accordance with a modulation period T = 7.12 ( 11 ) s as… Expand

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#### References

SHOWING 1-10 OF 50 REFERENCES
Time-Modulation of Orbital Electron Capture Decays by Mixing of Massive Neutrinos
Abstract We report on the observation of time-modulated orbital EC decays of H-like 140Pr58+, 142Pm60+, and 122I52+ (preliminary) ions with only one electron in the K-shell coasting in the ESRExpand
The role of spin-rotation coupling in the non-exponential decay of hydrogen-like heavy ions
• Physics
• 2012
Abstract Recent experiments carried out at the storage ring of GSI in Darmstadt reveal an unexpected oscillation in the orbital electron capture and subsequent decay of hydrogen-like 140 Pr 58 + ,Expand
Time-modulation of entangled two-body weak decays with massive neutrinos
Abstract In recent experiments at the GSI, Darmstadt, time-modulated orbital Electron Capture (EC) decays of H-like 140Pr58+, 142Pm60+, and 122I52+ ions with one electron in the K-shell, coasting inExpand
On the time modulation of the K-shell electron capture decay rates of H-like heavy ions at GSI experiments
• Physics
• 2009
According to experimental data at GSI, the rates of the number of daughter ions, produced by the nuclear K–shell electron capture (EC) decays of the H–like heavy ions with one electron in theExpand
Observation of non-exponential orbital electron capture decays of hydrogen-like 140Pr and 142Pm ions
Abstract We report on time-modulated two-body weak decays observed in the orbital electron capture of hydrogen-like 140 Pr 59+ and 142 Pm 60+ ions coasting in an ion storage ring. UsingExpand
Time modulation of the beta{+}-decay rate of H-like 140Pr58+ ions.
• Physics, Medicine
• Physical review letters
• 2008
It is shown that the time dependence of the beta;{+}-decay rate of the H-like 140Pr58+ ion as well as any H- like heavy ions cannot be observed. Expand
Measurement of the beta+ and orbital electron-capture decay rates in fully ionized, hydrogenlike, and heliumlike 140Pr ions.
We report on the first measurement of the beta+ and orbital electron-capture decay rates of 140Pr nuclei with the simplest electron configurations: bare nuclei, hydrogenlike, and heliumlike ions. TheExpand
Mechanism of “GSI oscillations” in electron capture by highly charged hydrogen-like atomic ions
We suggest a qualitative explanation of oscillations in electron capture decays of hydrogen-like 140Pr and 142Pm ions observed recently in an ion experimental storage ring (ESR) of Gesellschaft fürExpand
Time modulation of K-electron capture decay of hydrogen-like ions with multiphoton resonance transitions
Multiphoton resonance transitions between ground hyperfine states are used for time modulation of the electron capture decay of hydrogen-like ions with the Gamow-Teller transition 1{sup +}->0{sup +}.Expand
Orbital electron capture decay of hydrogen- and helium-like 142Pm ions
Abstract The β + and orbital electron-capture decays of stored hydrogen- and helium-like 142Pm ions have been measured. So far, such measurements have been performed with only one nucleus, namelyExpand