High-resolution measurement of the time-modulated orbital electron capture and of the β+ decay of hydrogen-like 142Pm60+ ions
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 imp...
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
25 September 2013
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| In: |
Physics letters
Year: 2013, Jahrgang: 726, Heft: 4/5, Pages: 638-645 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2013.09.033 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2013.09.033 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0370269313007624 
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| Verfasserangaben: | Two-Body-Weak-Decays Collaboration: P. Kienle, F. Bosch, P. Bühler, T. Faestermann, Yu.A. Litvinov, N. Winckler, M.S. Sanjari, D.B. Shubina, D. Atanasov, H. Geissel, V. Ivanova, X.L. Yan, D. Boutin, C. Brandau, I. Dillmann, Ch. Dimopoulou, R. Hess, P.-M. Hillebrand, T. Izumikawa, R. Knöbel, J. Kurcewicz, N. Kuzminchuk, M. Lestinsky, S.A. Litvinov, X.W. Ma, L. Maier, M. Mazzocco, I. Mukha, C. Nociforo, F. Nolden, Ch. Scheidenberger, U. Spillmann, M. Steck, Th. Stöhlker, B.H. Sun, F. Suzaki, T. Suzuki, S.Yu. Torilov, M. Trassinelli, X.L. Tu, M. Wang, H. Weick, D.F.A. Winters, N. Winters, P.J. Woods, T. Yamaguchi, G.L. Zhang, T. Ohtsubo |
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| 245 | 1 | 0 | |a High-resolution measurement of the time-modulated orbital electron capture and of the β+ decay of hydrogen-like 142Pm60+ ions |c Two-Body-Weak-Decays Collaboration: P. Kienle, F. Bosch, P. Bühler, T. Faestermann, Yu.A. Litvinov, N. Winckler, M.S. Sanjari, D.B. Shubina, D. Atanasov, H. Geissel, V. Ivanova, X.L. Yan, D. Boutin, C. Brandau, I. Dillmann, Ch. Dimopoulou, R. Hess, P.-M. Hillebrand, T. Izumikawa, R. Knöbel, J. Kurcewicz, N. Kuzminchuk, M. Lestinsky, S.A. Litvinov, X.W. Ma, L. Maier, M. Mazzocco, I. Mukha, C. Nociforo, F. Nolden, Ch. Scheidenberger, U. Spillmann, M. Steck, Th. Stöhlker, B.H. Sun, F. Suzaki, T. Suzuki, S.Yu. Torilov, M. Trassinelli, X.L. Tu, M. Wang, H. Weick, D.F.A. Winters, N. Winters, P.J. Woods, T. Yamaguchi, G.L. Zhang, T. Ohtsubo |
| 246 | 3 | 3 | |a High-resolution measurement of the time-modulated orbital electron capture and of the beta + decay of hydrogen-like 142 Pm 60+ ions |
| 264 | 1 | |c 25 September 2013 | |
| 300 | |a 8 | ||
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| 500 | |a Im Titel sind das Pluszeichen, die Zahl 142 und 60+ hochgestellt | ||
| 500 | |a Gesehen am 07.04.2021 | ||
| 520 | |a 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 obtained from simultaneous observations with a capacitive pick-up, employed also in the previous experiments. The modulation amplitudes amount to aR=0.107(24) and aP=0.134(27) for the 245 MHz resonator and the capacitive pick-up, respectively. These new results corroborate for both detectors exactly our previous findings of modulation periods near to 7 s, though with distinctly smaller amplitudes. Also the three-body β+ decays have been analyzed. For a supposed modulation period near to 7 s we found an amplitude a=0.027(27), compatible with a=0 and in agreement with the preliminary result a=0.030(30) of our previous experiment. These observations could point at weak interaction as origin of the observed 7 s-modulation of the EC decay. Furthermore, the data suggest that interference terms occur in the two-body EC decay, although the neutrinos are not directly observed. | ||
| 650 | 4 | |a Highly-charged ions | |
| 650 | 4 | |a Ion storage rings | |
| 650 | 4 | |a Orbital electron capture | |
| 650 | 4 | |a Two-body weak decays | |
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| 700 | 1 | |a Bühler, P. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Faestermann, T. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Litvinov, Yuri A. |e VerfasserIn |0 (DE-588)1159594147 |0 (DE-627)1022271350 |0 (DE-576)505059517 |4 aut | |
| 700 | 1 | |a Winckler, N. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Sanjari, M. S. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Shubina, Daria |e VerfasserIn |0 (DE-588)1028596731 |0 (DE-627)731305310 |0 (DE-576)376088508 |4 aut | |
| 700 | 1 | |a Atanasov, Dinko |e VerfasserIn |0 (DE-588)1108585027 |0 (DE-627)86395104X |0 (DE-576)475451163 |4 aut | |
| 700 | 1 | |a Geissel, H. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Ivanova, V. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Yan, X. L. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Boutin, D. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Brandau, C. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Dillmann, I. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Dimopoulou, Ch. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Hess, R. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Hillebrand, P. -M. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Izumikawa, T. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Knöbel, R. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Kurcewicz, J. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Kuzminchuk, N. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Lestinsky, M. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Litvinov, S. A. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Ma, X. W. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Maier, L. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Mazzocco, M. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Mukha, I. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Nociforo, C. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Nolden, F. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Scheidenberger, Ch. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Spillmann, U. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Steck, M. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Stöhlker, Th. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Sun, B. H. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Suzaki, F. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Suzuki, T. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Torilov, S. Yu. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Trassinelli, M. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Tu, X. L. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Wang, M. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Weick, H. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Winters, D. F. A. |e VerfasserIn |4 aut | |
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| 700 | 1 | |a Zhang, G. L. |e VerfasserIn |4 aut | |
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