Laser spectroscopy of light Yb isotopes on-line in a cooled gas cell
G. D. SprouseDepartment of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794J.J. DasDepartment of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794T. LauritsenDepartment of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794J. ScheckerDepartment of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794A. BergerDepartment of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794J. BillowesDepartment of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794Charles H. HolbrowDepartment of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794H.‐E. MahnkeDepartment of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794S. L. RolstonDepartment of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794
1989en
ABI
Аннотация
A gas-filled, liquid-nitrogen-cooled cell on-line with an accelerator permits fluorescence spectroscopy of atoms of heavy-ion reaction products generated at rates less than ${10}^{3}$ ${\mathrm{s}}^{\mathrm{\ensuremath{-}}1}$. This low required rate of production allows the optical spectroscopy of radioactive atoms to be extended further from stability. With the cell we have measured isotope shifts of $^{152,154,156,158,166}\mathrm{Yb}$, reaching N=82, four nuclides further than previously reached with other techniques. The change in rms charge radius near the shell closure is surprisingly large.
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