Author: C. D. Nesaraja |  Citation: Nucl. Data Sheets 125, 395 (2015) |  Cutoff date: 31-Mar-2014 

 Full ENSDF file | Adopted Levels (PDF version) 

Q(β-)=-4260 keV SYS(n)= 6590 keV SYS(p)= 3520 keV SYQ(α)= 8258 keV 10
Reference: 2012Wa38

  A  251No α decay (0.80 S)  B  251No α decay (1.02 S)

General Comments:


1967Fl15: Synthesized from 239Pu(12C,4N). Identified by emitted α energies, T1/2 and excitation functions.

Theoretical studies:

2012Zh01: Comparison of the low-lying one-quasineutron band for n=147 isotones between the experimental values and calculated values using the cranked shell model (CSM) with pairing correlations

2011Ad15: One-quasiparticle levels for n=147 nuclei using the microscopic-macroscopic modified TCSM, QPM and the self-consistent SHFB approaches

2009Sa25:Calculated α decay T1/2 using semi-empirical formulas, and compared with experimental values and systematics

2006Sh19: Calculated energy levels of ground-state rotational band in n=147 isotones

2005Pa73: Calculated neutron one-quasiparticle states of heaviest nuclei within a macroscopic-microscopic approach.

2002Du16: Calculated partial half-lives for α and cluster decays

1997Mo25: Calculated ground-state binding energy, proton and neutron pairing gaps, neutron and proton separation energies, Q values

1995Mo29, 1980Ho32: Calculated ground-state masses and nuclear ground state deformations

1993Bu09: Calculated partial α decay half-life, α branching, nuclear radius using the cluster model predictions

1985Cw01: Calculated fission barrier

1981Mo24: Calculated ground-state electric multipole moments Q2, Q4 and masses

1980Ho32: Calculated mass excess, S(n), S(p), Q(β), Q(α), fission-barrier heights, deformation and energy at saddle-point

Q-value: ΔQ(β-)=240, ΔS(n)=120, ΔS(p)=250 (syst, 2012Wa38)

XREFJπ(level) T1/2(level)
   0.0AB (7/2+) 31 s 1 
% α = 64
% ε = 36
  45 7 AB (1/2+) 5.1 s 2 
% IT = 12 2
% α = 88 2

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Additional Level Data and Comments:


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