Welcome to NUMOR, the Nuclear Moments and Charge Radii Database
A compilation of non-evaluated experimental data | Database cut-off date: 2019.03.31





 <  Neptunium (Z=93)  > 
237Np 239Np
Isotope Mass Excess [keV] Energy [keV] t1/2 Spin/Parity μ [nm] Q [b] R [fm] Ref. Std Method NSR keyword doi Comment
239Np 49312.6 ± 2 75. 1.40 ns 5/2- +2.0(3) [237Np 60.] IPAC 1967GU08 10.1016/0375-9474(67)90476-9

  [▶InPACS] Shapes and deformations


Plotting systematics is still in beta, use with caution.

Data points here: [ CSV ]

Data points here: [ CSV ]







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