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





 <  Protactinium (Z=91)  > 
228Pa 230Pa 231Pa 233Pa

Isotope Mass Excess [keV] Energy [keV] t1/2 Spin/Parity μ [nm] Q [b] R [fm] Ref. Std Method NSR keyword doi Comment
231Pa 33426 ± 2.2 0. 3.3 x 10^4 y 3/2- 2.01(2) ENDOR 1961AX01 10.1103/PhysRev.121.1630
-1.72(5) R est. from B(E2) 1978FR28 10.1016/0375-9601(78)90223-2
84. 44 ns 5/2+ +0.7(2) R [231Pa] ME 1978FR28 10.1016/0375-9601(78)90223-2

  [▶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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