First Precision Mass Measurements of Refractory Fission Fragments

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ID: 268878
2006
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Abstract
Atomic masses of 95-100Sr, 98-105Zr, and [corrected] 102-110Mo and have been measured with a precision of 10 keV employing a Penning trap setup at the IGISOL facility. Masses of 104,105Zr and 109,110Mo are measured for the first time. Our improved results indicate significant deviations from the previously published values deduced from beta end point measurements. The most neutron-rich studied isotopes are found to be significantly less bound (1 MeV) compared to the 2003 atomic mass evaluation. A strong correlation between nuclear deformation and the binding energy is observed in the two-neutron separation energy in all studied isotope chains.
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Authors U. Hager,T. Eronen,J. Hakala,Ari Jokinen,V. S. Kolhinen,S. Kopecky,Iain Moore,A. Nieminen,M. Oinonen,Sami Rinta-Antila,J. Szerypo,J. Äystö;U. Hager;T. Eronen;J. Hakala;Ari Jokinen;V. S. Kolhinen;S. Kopecky;Iain Moore;A. Nieminen;M. Oinonen;Sami Rinta-Antila;J. Szerypo;J. Äystö;
Journal physical review letters
Year 2006
DOI
10.1103/physrevlett.96.042504
URL
https://sciprofiles.com/publication/view/b0496457e43779434207618b1d26f7a6
Keywords
neutron atomic masses mo102 zr98 sr95 studied isotopes measured for the first time kev employing penning trap

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