<page_title> Isotopes of niobium </page_title> <section_title> List of isotopes </section_title> <table> <cell> 93mNb <col_header> nuclide symbol </col_header> <col_header> excitation energy </col_header> </cell> <cell> 16.13(14) a <col_header> half-life </col_header> </cell> </table>
The meta state of ⁹³Nb has a half-life of 16.13 years.