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| Home > Publications database > New test of modulated electron capture decay of hydrogen-like $^{142}$Pm ions: Precision measurement of purely exponential decay |
| Journal Article | GSI-2019-01131 |
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2019
North-Holland Publ.
Amsterdam
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Please use a persistent id in citations: doi:10.1016/j.physletb.2019.134800 doi:10.15120/GSI-2019-01131
Abstract: An experiment addressing electron capture (EC) decay of hydrogen-like ions has been conducted at the experimental storage ring (ESR) at GSI. The decay appears to be purely exponential and no modulations were observed. Decay times for about 9000 individual EC decays have been measured by applying the single-ion decay spectroscopy method. Both visually and automatically analysed data can be described by a single exponential decay with decay constants of for automatic analysis and for manual analysis. If a modulation superimposed on the exponential decay curve is assumed, the best fit gives a modulation amplitude of merely 0.019(15), which is compatible with zero and by 4.9 standard deviations smaller than in the original observation which had an amplitude of 0.23(4).
- ddc:530
Note: Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
Contributing Institute(s):
- Atomphysik (ATP)
- HI Jena (HIJ)
- Strahlkühlung (BCO)
- Kernreaktionen (KRA)
- P-Linac / P-Bar-Target (PLI)
- Detektorlabor (DTL)
- System Planning SFRS (SFS)
- Speicherringe (STR)
- Collaboration FAIR: ILIMA (ILIMA@FAIR)
- Collaboration GSI: SPARC (SPARC@GSI)
- FRS / SFRS Experimente (FRS)
- ExtreMe Matter Institute, EMMI (EXM)
- 6211 - Extreme States of Matter: From Cold Ions to Hot Plasmas (POF3-621) (POF3-621)
- 612 - Cosmic Matter in the Laboratory (POF3-612) (POF3-612)
- ENSAR - European Nuclear Science and Applications Research (262010) (262010)
- OAGSI - Open Access Publikation mit Unterstützung des GSI Helmholtzzentrums für Schwerionenforschung (OAGSI) (OAGSI)
- HIC4FAIR - HIC for FAIR - Helmholtz International Center for FAIR - Data Analysis, Theory and Simulations (LandHessen-LOEWE-HIC4FAIR) (LandHessen-LOEWE-HIC4FAIR)
- HGS-HIRe - HGS-HIRe for FAIR (HGS-HIRe) (HGS-HIRe)
- ASTRUm - Astrophysics with Stored Highy Charged Radionuclides (682841) (682841)
- ENSAR2 - European Nuclear Science and Application Research 2 (654002) (654002)
Appears in the scientific report 2019
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