Observation of Non-Exponential Orbital Electron Capture Decays of hydrogen-Like 140Pr and 142Pm Ions
نویسندگان
چکیده
Yu.A. Litvinov1,2, F. Bosch1, H. Geissel1,2, N. Winckler1,2, D. Boutin1,2, H.G. Essel1, T. Faestermann3, S. Hess1, P. Kienle3,4, R. Knöbel1,2, C. Kozhuharov1, J. Kurcewicz1, L. Maier3, K. Beckert1, P. Beller∗1, C. Brandau1, L. Chen2, C. Dimopoulou1, B. Fabian2, A. Fragner4, E. Haettner2, M. Hausmann5, S.A. Litvinov1,2, M. Mazzocco1,6, F. Montes1,5, A. Musumarra7,8, C. Nociforo1, F. Nolden1, W.R. Plaß2, A. Prochazka1, R. Reda4, R. Reuschl1, C. Scheidenberger1,2, M. Steck1, T. Stöhlker1,9, S. Torilov10, M. Trassinelli1, B. Sun1,11, H. Weick1, and M. Winkler1 1GSI, Darmstadt, Germany; 2JLU Gießen, Germany; 3TU München, Germany; 4SMI Vienna, Austria; 5MSU East Lansing, U.S.A.; 6INFN Padova, Italy; 7INFN Catania, Italy; 8Universitá di Catania, Italy; 9RKU Heidelberg, Germany; 10St. Petersburg University, Russia; 11Peking University, China
منابع مشابه
1 0 Fe b 20 08 Weak decays of H – like 140 Pr 58 + and He – like 140 Pr 57 + ions
The nuclear K–shell electron–capture (EC) and positron (β+) decay constants, λEC and λβ+ of H–like 140Pr and He–like 140Pr ions, measured recently in the ESR ion storage ring at GSI, were calculated using standard weak interaction theory. The calculated ratios R = λEC/λβ+ of the decay constants agree with the experimental values within an accuracy better than 3%. PACS: 12.15.Ff, 13.15.+g, 23.40...
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تاریخ انتشار 2008